Lenovo M73 Sff Ug En User Manual (English) Guide (Small Form Factor) Think Centre Desktop (Think Centre) Type 10AY
2016-06-06
User Manual: Lenovo M73 Sff Ug En (English) User Guide (Small Form Factor) - ThinkCentre M73 M73 Desktop (ThinkCentre) - Type 10AY ThinkCentre M73, 10AY
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- Important safety information
- Chapter 1. Product overview
- Chapter 2. Using your computer
- Frequently asked questions
- Navigating among screens on the Windows 8 and Windows 8.1 operating systems
- Accessing Control Panel on the Windows 8 or Windows 8.1 operating system
- Using Windows shortcut keys
- Using the wheel mouse
- Setting the computer volume
- Adding an icon to the Windows notification area
- Using CDs and DVDs
- Chapter 3. You and your computer
- Chapter 4. Security
- Chapter 5. Installing or replacing hardware
- Handling static-sensitive devices
- Installing or replacing hardware
- Installing external options
- Removing the computer cover
- Removing and reinstalling the front bezel
- Accessing the system board components and drives
- Installing or replacing a memory module
- Installing or replacing a PCI Express card
- Replacing the battery
- Replacing the hard disk drive
- Replacing the solid-state drive
- Installing or replacing the optical drive
- Replacing the heat sink and fan assembly
- Replacing the power supply assembly
- Replacing the microprocessor
- Replacing the front audio and USB assembly
- Replacing the system fan assembly
- Replacing the WiFi units
- Installing or removing the rear WiFi antenna
- Installing or removing the front WiFi antenna
- Replacing the keyboard
- Replacing the mouse
- Completing the parts replacement
- Chapter 6. Recovery information
- Chapter 7. Using the Setup Utility program
- Chapter 8. Updating system programs
- Chapter 9. Preventing problems
- Chapter 10. Troubleshooting and diagnostics
- Chapter 11. Getting information, help, and service
- Appendix A. Notices
- Appendix B. Regulatory information
- Appendix C. WEEE and recycling information
- Appendix D. Restriction of Hazardous Substances (RoHS) Directive
- Appendix E. China Energy Label
- Appendix F. ENERGY STAR model information
- Index
ThinkCentreM73
UserGuide
MachineTypes:10B4,10B5,10B6,10B7,10HL,and10HM
Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandthe
“Importantsafetyinformation”onpagevandAppendixA“Notices”onpage125.
SeventhEdition(May2016)
©CopyrightLenovo2013,2016.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuanttoaGeneralServices
Administration“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.
GS-35F-05925.
Contents
Importantsafetyinformation......v
Serviceandupgrades.............v
Staticelectricityprevention...........v
Powercordsandpoweradapters........vi
Extensioncordsandrelateddevices.......vi
Plugsandoutlets..............vii
Externaldevices..............vii
Heatandproductventilation.........vii
Operatingenvironment...........viii
Lasercompliancestatement.........viii
Powersupplystatement............ix
Cleaningandmaintenance...........ix
Chapter1.Productoverview......1
Features..................1
Specifications................5
Lenovoprograms..............5
Accessingaprogramonyourcomputer....5
AnintroductiontoLenovoprograms.....6
Locations..................8
Locatingconnectors,controls,andindicators
onthefrontofyourcomputer........9
Locatingconnectorsontherearofyour
computer...............10
Locatingcomponents..........12
Locatingpartsonthesystemboard....13
Locatinginternaldrives.........14
Machinetypeandmodellabel.......15
Chapter2.Usingyourcomputer...17
Frequentlyaskedquestions.........17
NavigatingamongscreensontheWindows8and
Windows8.1operatingsystems........17
NavigatingonWindows8........17
NavigatingonWindows8.1........19
AccessingControlPanelontheWindows8or
Windows8.1operatingsystem........20
UsingWindowsshortcutkeys.........20
Usingthewheelmouse...........21
Settingthecomputervolume.........21
AddinganicontotheWindowsnotificationarea.21
UsingCDsandDVDs............22
HandlingandstoringCDandDVDmedia..22
PlayingaCDorDVD..........23
RecordingaCDorDVD.........23
Chapter3.Youandyourcomputer..25
Accessibilityandcomfort..........25
Arrangingyourworkspace........25
Comfort...............25
Glareandlighting............26
Aircirculation.............26
Electricaloutletsandcablelengths.....26
Accessibilityinformation.........26
Registeringyourcomputer..........29
Movingyourcomputertoanothercountryor
region..................29
Chapter4.Security..........31
Securityfeatures..............31
Lockingthecomputercover.........32
AttachingaKensington-stylecablelock.....33
Preventingunauthorizedaccesstoyour
computer.................33
Usingfingerprintauthentication........34
Usingandunderstandingfirewalls.......34
Protectingdataagainstviruses........34
Chapter5.Installingorreplacing
hardware...............35
Handlingstatic-sensitivedevices.......35
Installingorreplacinghardware........35
Installingexternaloptions........35
Removingthecomputercover.......36
Removingandreinstallingthefrontbezel..36
Accessingthesystemboardcomponentsand
drives................38
Installingorreplacingamemorymodule...39
InstallingorreplacingaPCIExpresscard..41
Replacingthebattery..........43
Replacingtheharddiskdrive.......44
Replacingthesolid-statedrive......46
Installingorreplacingtheopticaldrive...51
Replacingtheheatsinkandfanassembly..54
Replacingthepowersupplyassembly...57
Replacingthemicroprocessor.......61
ReplacingthefrontaudioandUSB
assembly...............63
Replacingthesystemfanassembly....64
ReplacingtheWiFiunits.........66
InstallingorremovingtherearWiFiantenna.71
InstallingorremovingthefrontWiFiantenna.73
Replacingthekeyboard.........75
Replacingthemouse..........76
Completingthepartsreplacement.....77
©CopyrightLenovo2013,2016i
Chapter6.Recoveryinformation...79
RecoveryinformationfortheWindows7operating
system..................79
Creatingandusingrecoverymedia.....79
Performingbackupandrecoveryoperations.80
UsingtheRescueandRecoveryworkspace.81
Creatingandusingarescuemedium....82
Reinstallingpreinstalledapplicationsand
devicedrivers.............83
Reinstallingsoftwareprograms......84
Reinstallingdevicedrivers........84
Solvingrecoveryproblems........84
RecoveryinformationfortheWindows8or
Windows8.1operatingsystem........85
Refreshingyourcomputer........85
Resettingyourcomputertothefactorydefault
settings................85
Usingtheadvancedstartupoptions....85
RecoveringyouroperatingsystemifWindows
8orWindows8.1failstostart.......86
RecoveryinformationfortheWindows10operating
system..................86
Chapter7.UsingtheSetupUtility
program................89
StartingtheSetupUtilityprogram.......89
Viewingandchangingsettings........89
UsingBIOSpasswords...........89
Passwordconsiderations.........90
Power-OnPassword..........90
AdministratorPassword.........90
HardDiskPassword...........90
Setting,changing,anddeletingapassword.90
Erasinglostorforgottenpasswords(clearing
CMOS)................91
Enablingordisablingadevice........91
Selectingastartupdevice..........91
Selectingatemporarystartupdevice....92
Selectingorchangingthestartupdevice
sequence...............92
EnablingErPLPScompliancemode......92
ICEperformancemode...........93
ICEthermalalert..............93
ExitingfromtheSetupUtilityprogram.....94
Chapter8.Updatingsystem
programs...............95
Usingsystemprograms...........95
UpdatingtheBIOS.............95
RecoveringfromaPOST/BIOSupdatefailure..95
Chapter9.Preventingproblems...97
Keepingyourcomputercurrent........97
Gettingthelatestdevicedriversforyour
computer...............97
Gettingthelatestsystemupdates.....97
Cleaningandmaintenance..........98
Basics................98
Cleaningyourcomputer.........98
Goodmaintenancepractices.......99
Movingyourcomputer...........100
Chapter10.Troubleshootingand
diagnostics.............103
Basictroubleshooting............103
Troubleshootingprocedure..........104
Troubleshooting..............105
Audioproblems............105
CDproblems.............106
DVDproblems.............107
Intermittentproblems..........109
Keyboard,mouse,orpointingdevice
problems...............109
Monitorproblems............111
Networkingproblems..........112
Optionproblems............115
Performanceandlockupproblems.....116
Printerproblems............117
Serialportproblems...........118
Softwareproblems...........118
USBproblems.............119
LenovoSolutionCenter...........120
Chapter11.Gettinginformation,help,
andservice.............121
Informationresources............121
Windowshelpsystem..........121
SafetyandWarranty...........121
LenovoWebsite............121
LenovoSupportWebsite.........122
Helpandservice..............122
Usingthedocumentationanddiagnostic
program...............122
Callingforservice............122
Usingotherservices..........123
Purchasingadditionalservices......123
AppendixA.Notices.........125
Trademarks................126
AppendixB.Regulatory
information.............127
Exportclassificationnotice..........127
Televisionoutputnotice...........127
Electronicemissionsnotices.........127
iiThinkCentreM73UserGuide
FederalCommunicationsCommission
DeclarationofConformity........127
Eurasiancompliancemark..........130
Brazilaudionotice.............130
Mexicowireless-radiocomplianceinformation..130
Additionalregulatoryinformation.......130
AppendixC.WEEEandrecycling
information.............131
ImportantWEEEinformation.........131
RecyclinginformationforJapan........131
RecyclinginformationforBrazil........132
BatteryrecyclinginformationforTaiwan.....132
BatteryrecyclinginformationfortheEuropean
Union..................133
AppendixD.RestrictionofHazardous
Substances(RoHS)Directive....135
EuropeanUnionRoHS...........135
TurkishRoHS...............135
UkraineRoHS...............135
IndiaRoHS................135
ChinaRoHS................136
TaiwanRoHS...............136
AppendixE.ChinaEnergyLabel..137
AppendixF .ENERGYSTARmodel
information.............139
Index.................141
©CopyrightLenovo2013,2016iii
ivThinkCentreM73UserGuide
Importantsafetyinformation
CAUTION:
Beforeusingthismanual,besuretoreadandunderstandalltherelatedsafetyinformationforthis
product.RefertotheinformationinthissectionandthesafetyinformationintheSafety,Warranty,and
SetupGuidethatyoureceivedwiththisproduct.Readingandunderstandingthissafetyinformation
reducestheriskofpersonalinjuryanddamagetoyourproduct.
IfyounolongerhaveacopyoftheSafety,Warranty,andSetupGuide,youcanobtainaPortableDocument
Format(PDF)versionfromtheLenovo®SupportWebsiteathttp://www.lenovo.com/support.TheLenovo
SupportWebsitealsoprovidestheSafety,Warranty,andSetupGuideandthisUserGuideinadditional
languages.
Serviceandupgrades
DonotattempttoserviceaproductyourselfunlessinstructedtodosobytheCustomerSupportCenteror
yourdocumentation.OnlyuseaServiceProviderwhoisapprovedtorepairyourparticularproduct.
Note:Somecomputerpartscanbeupgradedorreplacedbythecustomer.Upgradestypicallyare
referredtoasoptions.ReplacementpartsapprovedforcustomerinstallationarereferredtoasCustomer
ReplaceableUnits,orCRUs.Lenovoprovidesdocumentationwithinstructionswhenitisappropriatefor
customerstoinstalloptionsorreplaceCRUs.Youmustcloselyfollowallinstructionswheninstallingor
replacingparts.TheOffstateofapowerindicatordoesnotnecessarilymeanthatvoltagelevelsinsidea
productarezero.Beforeyouremovethecoversfromaproductequippedwithapowercord,alwaysmake
surethatthepoweristurnedoffandthattheproductisunpluggedfromanypowersource.Formore
informationonCRUs,refertoChapter5“Installingorreplacinghardware”onpage35.Ifyouhaveany
questionsorconcerns,contacttheCustomerSupportCenter.
Althoughtherearenomovingpartsinyourcomputerafterthepowercordhasbeendisconnected,the
followingwarningsarerequiredforyoursafety.
CAUTION:
Hazardousmovingparts.Keepfingersandotherbodypartsaway.
CAUTION:
Beforeyouopenthecomputercover,turnoffthecomputerandwaitseveralminutesuntilthe
computeriscool.
Staticelectricityprevention
Staticelectricity,althoughharmlesstoyou,canseriouslydamagecomputercomponentsandoptions.
Improperhandlingofstatic-sensitivepartscancausedamagetothepart.Whenyouunpackanoption
©CopyrightLenovo2013,2016v
orCRU,donotopenthestatic-protectivepackagecontainingthepartuntiltheinstructionsdirectyou
toinstallit.
WhenyouhandleoptionsorCRUs,orperformanyworkinsidethecomputer,takethefollowingprecautions
toavoidstatic-electricitydamage:
•Limityourmovement.Movementcancausestaticelectricitytobuilduparoundyou.
•Alwayshandlecomponentscarefully.Handleadapters,memorymodules,andothercircuitboardsbythe
edges.Nevertouchexposedcircuitry.
•Preventothersfromtouchingcomponents.
•Whenyouinstallastatic-sensitiveoptionorCRU,touchthestatic-protectivepackagecontainingthe
parttoametalexpansion-slotcoverorotherunpaintedmetalsurfaceonthecomputerforatleasttwo
seconds.Thisreducesstaticelectricityinthepackageandyourbody.
•Whenpossible,removethestatic-sensitivepartfromthestatic-protectivepackagingandinstallthepart
withoutsettingitdown.Whenthisisnotpossible,placethestatic-protectivepackagingonasmooth,
levelsurfaceandplacethepartonit.
•Donotplacethepartonthecomputercoverorothermetalsurface.
Powercordsandpoweradapters
Useonlythepowercordsandpoweradapterssuppliedbytheproductmanufacturer.Donotusetheac
powercordforotherdevices.
Thepowercordsshallbesafetyapproved.ForGermany,itshallbeH03VV-F,3G,0.75mm2(thepowercord
connectedtothepoweradapter),H05VV-F,3G,0.75mm2(thepowercordconnectedtotheinternalpower
supplyassembly),orbetter.Forothercountries,thesuitabletypesshallbeusedaccordingly.
Neverwrapapowercordaroundapoweradapterorotherobject.Doingsocanstressthecordinwaysthat
cancausethecordtofray,crack,orcrimp.Thiscanpresentasafetyhazard.
Alwaysroutepowercordssothattheywillnotbewalkedon,trippedover,orpinchedbyobjects.
Protectpowercordandpoweradaptersfromliquids.Forinstance,donotleaveyourpowercordorpower
adapternearsinks,tubs,toilets,oronfloorsthatarecleanedwithliquidcleansers.Liquidscancausea
shortcircuit,particularlyifthepowercordorpoweradapterhasbeenstressedbymisuse.Liquidsalsocan
causegradualcorrosionofpowercordterminalsand/ortheconnectorterminalsonapoweradapter,
whichcaneventuallyresultinoverheating.
Ensurethatallpowercordconnectorsaresecurelyandcompletelypluggedintoreceptacles.
Donotuseanypoweradapterthatshowscorrosionattheacinputpinsorshowssignsofoverheating(such
asdeformedplastic)attheacinputoranywhereonthepoweradapter.
Donotuseanypowercordswheretheelectricalcontactsoneitherendshowsignsofcorrosionor
overheatingorwherethepowercordappearstohavebeendamagedinanyway.
Extensioncordsandrelateddevices
Ensurethatextensioncords,surgeprotectors,uninterruptiblepowersupplies,andpowerstripsthatyouuse
areratedtohandletheelectricalrequirementsoftheproduct.Neveroverloadthesedevices.Ifpowerstrips
areused,theloadshouldnotexceedthepowerstripinputrating.Consultanelectricianformoreinformation
ifyouhavequestionsaboutpowerloads,powerrequirements,andinputratings.
viThinkCentreM73UserGuide
Plugsandoutlets
Ifareceptacle(poweroutlet)thatyouintendtousewithyourcomputerequipmentappearstobedamaged
orcorroded,donotusetheoutletuntilitisreplacedbyaqualifiedelectrician.
Donotbendormodifytheplug.Iftheplugisdamaged,contactthemanufacturertoobtainareplacement.
Donotshareanelectricaloutletwithotherhomeorcommercialappliancesthatdrawlargeamountsof
electricity;otherwise,unstablevoltagemightdamageyourcomputer,data,orattacheddevices.
Someproductsareequippedwithathree-prongedplug.Thisplugfitsonlyintoagroundedelectricaloutlet.
Thisisasafetyfeature.Donotdefeatthissafetyfeaturebytryingtoinsertitintoanon-groundedoutlet.If
youcannotinserttheplugintotheoutlet,contactanelectricianforanapprovedoutletadapterortoreplace
theoutletwithonethatenablesthissafetyfeature.Neveroverloadanelectricaloutlet.Theoverallsystem
loadshouldnotexceed80percentofthebranchcircuitrating.Consultanelectricianformoreinformation
ifyouhavequestionsaboutpowerloadsandbranchcircuitratings.
Besurethatthepoweroutletyouareusingisproperlywired,easilyaccessible,andlocatedclosetothe
equipment.Donotfullyextendpowercordsinawaythatwillstressthecords.
Besurethatthepoweroutletprovidesthecorrectvoltageandcurrentfortheproductyouareinstalling.
Carefullyconnectanddisconnecttheequipmentfromtheelectricaloutlet.
Externaldevices
DonotconnectordisconnectanyexternaldevicecablesotherthanUniversalSerialBus(USB)and1394
cableswhilethecomputerpowerison;otherwise,youmightdamageyourcomputer.Toavoidpossible
damagetoattacheddevices,waitatleastfivesecondsafterthecomputerisshutdowntodisconnect
externaldevices.
Heatandproductventilation
Computers,poweradapters,andmanyaccessoriescangenerateheatwhenturnedonandwhenbatteries
arecharging.Alwaysfollowthesebasicprecautions:
•Donotleaveyourcomputer,poweradapter,oraccessoriesincontactwithyourlaporanypartofyour
bodyforanextendedperiodwhentheproductsarefunctioningorwhenthebatteryischarging.Your
computer,poweradapter,andmanyaccessoriesproducesomeheatduringnormaloperation.Extended
contactwiththebodycouldcausediscomfortor,potentially,askinburn.
•Donotchargethebatteryoroperateyourcomputer,poweradapter,oraccessoriesnearflammable
materialsorinexplosiveenvironments.
•Ventilationslots,fans,andheatsinksareprovidedwiththeproductforsafety,comfort,andreliable
operation.Thesefeaturesmightinadvertentlybecomeblockedbyplacingtheproductonabed,sofa,
carpet,orotherflexiblesurface.Neverblock,cover,ordisablethesefeatures.
Inspectyourdesktopcomputerfordustaccumulationatleastonceeverythreemonths.Beforeinspecting
yourcomputer,turnoffthepowerandunplugthecomputer'spowercordfromtheelectricaloutlet;then
removeanydustfromventsandperforationsinthebezel.Ifyounoticeexternaldustaccumulation,then
examineandremovedustfromtheinsideofthecomputerincludingheatsinkinletfins,powersupplyvents,
andfans.Alwaysturnoffandunplugthecomputerbeforeopeningthecover.Ifpossible,avoidoperating
yourcomputerwithintwofeetofhigh-trafficareas.Ifyoumustoperateyourcomputerinornearahigh-traffic
area,inspectand,ifnecessary,cleanyourcomputermorefrequently.
©CopyrightLenovo2013,2016vii
Foryoursafetyandtomaintainoptimumcomputerperformance,alwaysfollowthesebasicprecautions
withyourdesktopcomputer:
•Keepthecoverclosedwheneverthecomputerispluggedin.
•Regularlyinspecttheoutsideofthecomputerfordustaccumulation.
•Removedustfromventsandanyperforationsinthebezel.Morefrequentcleaningsmightberequiredfor
computersindustyorhigh-trafficareas.
•Donotrestrictorblockanyventilationopenings.
•Donotstoreoroperateyourcomputerinsidefurniture,asthismightincreasetheriskofoverheating.
•Airflowtemperaturesintothecomputershouldnotexceed35°C(95°F).
•Donotinstallairfiltrationdevices.Theymayinterferewithpropercooling.
Operatingenvironment
Theoptimalenvironmentinwhichtouseyourcomputeris10°C-35°C(50°F-95°F)withhumidityranging
between35%and80%.Ifyourcomputerisstoredortransportedintemperatureslessthan10°C(50°F),
allowthecoldcomputertoriseslowlytoanoptimaloperatingtemperatureof10°C-35°C(50°F-95°F)before
use.Thisprocesscouldtaketwohoursinextremeconditions.Failuretoallowyourcomputertorisetoan
optimaloperatingtemperaturebeforeusecouldresultinirreparabledamagetoyourcomputer.
Ifpossible,placeyourcomputerinawell-ventilatedanddryareawithoutdirectexposuretosunshine.
Keepelectricalappliancessuchasanelectricfan,radio,high-poweredspeakers,airconditioner,and
microwaveovenawayfromyourcomputerbecausethestrongmagneticfieldsgeneratedbythese
appliancescandamagethemonitoranddataontheharddiskdrive.
Donotplaceanybeveragesontopoforbesidethecomputerorotherattacheddevices.Ifliquidisspilledon
orinthecomputeroranattacheddevice,ashortcircuitorotherdamagemightoccur.
Donoteatorsmokeoveryourkeyboard.Particlesthatfallintoyourkeyboardcancausedamage.
Lasercompliancestatement
CAUTION:
Whenlaserproducts(suchasCD-ROMs,DVDdrives,fiberopticdevices,ortransmitters)are
installed,notethefollowing:
•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto
hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.
•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespecifiedherein
mightresultinhazardousradiationexposure.
DANGER
SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:
Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical
instruments,andavoiddirectexposuretothebeam.
viiiThinkCentreM73UserGuide
Powersupplystatement
Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.
Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabelattached.
Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwithoneoftheseparts,
contactaservicetechnician.
Cleaningandmaintenance
Keepyourcomputerandworkspaceclean.Shutdownthecomputerandthendisconnectthepower
cordbeforecleaningthecomputer.Donotsprayanyliquiddetergentdirectlyonthecomputeroruse
anydetergentcontainingflammablematerialtocleanthecomputer.Spraythedetergentonasoftcloth
andthenwipethecomputersurfaces.
©CopyrightLenovo2013,2016ix
xThinkCentreM73UserGuide
Chapter1.Productoverview
Thischapterprovidesinformationaboutthecomputerfeatures,specifications,softwareprogramsprovided
byLenovo,andlocationsofconnectors,components,partsonthesystemboard,andinternaldrives.
Features
Thissectionintroducesthecomputerfeatures.Theinformationcoversavarietyofmodels.
Toviewtheinformationaboutyourspecificmodel,dooneofthefollowing:
•OntheMicrosoft®Windows®7operationsystem,clickStart,right-clickComputer,andselectProperties
toviewtheinformation.
•OntheMicrosoftWindows8orWindows8.1operatingsystem,gotothedesktopandmoveyourpointer
tothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.ThenclickSettings➙PC
infotoviewtheinformation.
•OntheMicrosoftWindows10operatingsystem,clicktheStartbuttontoopentheStartmenu.Then,click
Settings➙System➙Abouttoviewtheinformation.
Microprocessor
Toviewthemicroprocessorinformationofyourcomputer,dothefollowing:
•OntheMicrosoftWindows7operationsystem,clickStart,right-clickComputer,andselectProperties
toviewtheinformation.
•OntheMicrosoftWindows8orWindows8.1operatingsystem,gotothedesktopandmoveyourpointer
tothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.ThenclickSettings➙PC
infotoviewtheinformation.
•OntheMicrosoftWindows10operatingsystem,clicktheStartbuttontoopentheStartmenu.Then,click
Settings➙System➙Abouttoviewtheinformation.
Memory
Yourcomputersupportsupto2doubledatarate3dualinlinememorymodules(DDR3DIMMs).
Internaldrives
•Opticaldrive:DVD-ROMorDVD-R
•Hybriddrive
•SerialAdvancedTechnologyAttachment(SATA)harddiskdrive
•SATAsolid-statedrive
Videosubsystem
•IntegratedgraphicsforaVideoGraphicsArray(VGA)connectorandaDisplayPort®connector
•PeripheralComponentInterconnect(PCI)Expressx16graphicscardslotonthesystemboardfora
discretegraphicscard
Audiosubsystem
•Integratedhigh-definition(HD)audio
•Audioline-inconnector,audioline-outconnector,andmicrophoneconnectorontherearpanel
©CopyrightLenovo2013,20161
•Microphoneconnectorandheadphoneconnectoronthefrontpanel
•Internalspeaker(availableonsomemodels)
Connectivity
•100/1000MbpsintegratedEthernetcontroller
•PCIEx1Faxmodem(somemodels)
Systemmanagementfeatures
•Abilitytostorepower-onself-test(POST)hardwaretestresults
•DesktopManagementInterface(DMI)
DesktopManagementInterfaceprovidesacommonpathforuserstoaccessinformationaboutall
aspectsofacomputer,includingprocessortype,installationdate,attachedprintersandotherperipherals,
powersources,andmaintenancehistory.
•ErPLPScompliancemode
Theenergy-relatedproductsdirective(ErP)lowestpowerstate(LPS)compliancemodereducesthe
consumptionofelectricitywhenyourcomputerisinsleeporoffmode.Formoreinformation,see
“EnablingErPLPScompliancemode”onpage92.
•PrebootExecutionEnvironment(PXE)
ThePrebootExecutionEnvironmentisanenvironmenttostartcomputersusinganetworkinterface
independentofdatastoragedevices(suchastheharddiskdrive)orinstalledoperatingsystems.
•IntelligentCoolingEngine(ICE)
TheIntelligentCoolingEngineisasystemthermalmanagementsolutionthatenablesyourcomputer
torunwithbetterthermalandacousticperformance.TheICEfunctionalsomonitorsthethermal
performanceofyourcomputertoidentifythermalproblems.Formoreinformation,see“ICEperformance
mode”onpage93and“ICEthermalalert”onpage93.
•SystemManagement(SM)BasicInput/OutputSystem(BIOS)andSMsoftware
TheSMBIOSspecificationdefinesdatastructuresandaccessmethodsinaBIOSthatallowsauseror
applicationtostoreandretrieveinformationspecificaboutthecomputerinquestion.
•WakeonLAN
WakeonLANisanEthernetcomputernetworkingstandardthatallowsacomputertobeturnedon
orwokenupbyanetworkmessage.Themessageisusuallysentbyaprogramrunningonanother
computeronthesamelocalareanetwork.
•WakeonRing
WakeonRing,sometimesreferredtoasWakeonModem,isaspecificationthatallowssupported
computersanddevicestoresumefromsleeporhibernationmode.
•WindowsManagementInstrumentation(WMI)
WindowsManagementInstrumentationisasetofextensionstotheWindowsDriverModel.Itprovidesan
operatingsysteminterfacethroughwhichinstrumentedcomponentsprovideinformationandnotification.
2ThinkCentreM73UserGuide
Input/Output(I/O)features
•9-pinserialport(onestandardandoneoptional)
•OneEthernetconnector
•OneDisplayPortconnector
•OneVGAmonitorconnector
•OnePersonalSystem/2(PS/2)keyboardconnector
•OnePS/2mouseconnector
•FourUniversalSerialBus(USB)2.0connectors(twoonthefrontpanelandtwoontherearpanel)
•TwoUSB3.0connectorsontherearpanel
•Threeaudioconnectorsontherearpanel(audioline-inconnector,audioline-outconnector,and
microphoneconnector)
•Twoaudioconnectorsonthefrontpanel(microphoneconnectorandheadphoneconnector)
Formoreinformation,see“Locatingconnectors,controls,andindicatorsonthefrontofyourcomputer”on
page9and“Locatingconnectorsontherearofyourcomputer”onpage10.
Expansion
•Oneharddiskdrivebay
•Oneopticaldrivebay
•Onesecondarysolid-statedrivebay(optional)
•Oneslimcardreaderdrivebay
•OnePCIExpressx16graphicscardslot
•TwoPCIExpressx1cardslots
Formoreinformation,see“Locatinginternaldrives”onpage14.
Powersupply
Yourcomputercomeswith240-wattautomaticvoltage-sensingpowersupply.
Securityfeatures
•Abilitytoenableordisableadevice
•AbilitytoenableanddisableUSBconnectorsindividually
•ComputraceAgentsoftwareembeddedinfirmware
•Coverpresenceswitch(alsocalledintrusionswitch)(availableinsomemodels)
•Keyboardwithfingerprintreader(shippedwithsomemodels)
•Power-onpassword(POP),administratorpassword,andharddiskpasswordtodeterunauthorized
useofyourcomputer
•Startupsequencecontrol
•Startupwithoutkeyboardormouse
•SupportforaKensington-stylecablelock
•Supportforapadlock
Formoreinformation,seeChapter4“Security”onpage31.
Preinstalledsoftwareprograms
Chapter1.Productoverview3
Yourcomputerispreinstalledwithsoftwareprogramstohelpyouworkmoreeasilyandsecurely.Formore
information,see“Lenovoprograms”onpage5.
Preinstalledoperatingsystem
Yourcomputerispreinstalledwithoneofthefollowingoperatingsystems:Yourcomputerispreinstalledwith
oneofthefollowingoperatingsystems:
•MicrosoftWindows7operatingsystem
•MicrosoftWindows8operatingsystem
•MicrosoftWindows8.1operatingsystem
•MicrosoftWindows10operatingsystem
Operatingsystem(s),certifiedortestedforcompatibility1(variesbymodeltype)
•Linux®
1.Theoperatingsystem(s)listedherearebeingcertifiedortestedforcompatibilityatthetimethispublicationgoesto
press.AdditionaloperatingsystemsmightbeidentifiedbyLenovoascompatiblewithyourcomputerfollowingthe
publicationofthismanual.Thislistissubjecttochange.Todetermineifanoperatingsystemhasbeencertifiedor
testedforcompatibility,checktheWebsiteoftheoperatingsystemvendor.
4ThinkCentreM73UserGuide
Specifications
Thissectionliststhephysicalspecificationsforyourcomputer.
Dimensions
Width:99.7mm(3.93inches)
Height:338mm(13.31inches)
Depth:385mm(15.16inches)
Weight
Maximumconfigurationasshipped:6.6kg(14.55lb)(withoutpackage)
Maximumconfigurationasshipped:8.96kg(19.75lb)(withpackage)
Environment
•Airtemperature:
Operating:10°Cto35°C(50°Fto95°F)
Storageinoriginalshippingpackage:-40°Cto60°C(-40°Fto140°F)
Storagewithoutpackage:-10°Cto60°C(14°Fto140°F)
•Humidity:
Operating:20%to80%(non-condensing)
Storage:20%to90%(non-condensing)
•Altitude:
Operating:-15.2to3048m(-50to10000ft)
Storage:-15.2to10668m(-50to35000ft)
Electricalinput
•Inputvoltage:
–Lowrange:
Minimum:100Vac
Maximum:127Vac
Inputfrequency:50/60Hz
–Highrange:
Minimum:200Vac
Maximum:240Vac
Inputfrequency:50/60Hz
Lenovoprograms
YourcomputercomeswithLenovoprogramstohelpyouworkmoreeasilyandsecurely.Dependingon
theWindowsoperatingsystempreinstalled,theprogramsmightvary.
Accessingaprogramonyourcomputer
Note:ForWindows7,someoftheLenovoprogramsmightbereadytobeinstalled,soyouneedtoinstall
themmanually.Then,youcanaccessandusetheseprograms.Toinstallaprogramthatisreadytobe
installed,opentheLenovoThinkVantage®Toolsprogram,andthenviewtheprogramiconsusingTiles.
Followtheinstructionsundergreyed-outiconstolocatetheiconforthedesiredprogram.Double-click
theicontoinstalltheprogram.
Chapter1.Productoverview5
Toaccessaprogramonyourcomputer,dooneofthefollowing:
•ForWindows7orWindows10:
–FromWindowsSearch:
1.DependingonyourWindowsversion,dooneofthefollowing:
–ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthentypetheprogram
nameintothesearchbox.
–ForWindows10:TypetheprogramnameintothesearchboxnexttotheStartbutton.
2.Inthesearchresults,clickthenameofthedesiredprogramtolaunchtheprogram.
–FromtheStartmenuorControlPanel:
1.ClicktheStartbuttontoopentheStartmenu.Then,clickthenameofthedesiredprogramto
launchtheprogram.
2.Iftheprogramnameisnotdisplayed,clickAllProgramsforWindows7orAllappsforWindows
10todisplaytheprogramlist.Fromthelistorafolderinthelist,clickthenameofthedesired
programtolaunchtheprogram.
3.IftheprogramnameisnotdisplayedontheStartmenu,accesstheprogramfromControlPanel.
a.DependingonyourWindowsversion,dooneofthefollowing:
–ForWindows7:ClickControlPanelontheStartmenu.
–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu,andthen
clickControlPanel.
b.ViewControlPanelusingLargeiconsorSmallicons,andthenclickthenameofthedesired
programtolaunchtheprogram.
•ForWindows8orWindows8.1:
1.PresstheWindowskeytogototheStartscreen.Clickthenameofthedesiredprogramto
launchtheprogram.
2.Ifyoucannotfindtheprogramyouneed,dependingonyourWindowsversion,dooneofthefollowing:
–ForWindows8:Movethepointertothebottom-rightcornerofthescreentodisplaythecharms.
ThenclicktheSearchcharmtosearchforthedesiredprogram.
–ForWindows8.1:Clickthearrowiconinthebottom-leftcornerofthescreentogotothe
Appsscreen.Findthedesiredprogramintheappslistorsearchforitinthesearchboxinthe
top-rightcornerofthescreen.
AnintroductiontoLenovoprograms
ThissectionprovidesinformationaboutthemajorLenovoprogramsavailableonyouroperatingsystem.
Note:Dependingonyourcomputermodel,someofthefollowingprogramsmightnotbeavailable.
•ForWindows7only:
–CreateRecoveryMedia
TheCreateRecoveryMediaprogramenablesyoutorestoreonlytheCdriveortheentirestorage
drivetothefactory-defaultsettings.
–LenovoPowerENGAGE
TheLenovoPowerENGAGEprogramenablesyoutoregisteryourcomputerwithLenovo.
6ThinkCentreM73UserGuide
–MessageCenterPlus
TheMessageCenterPlusprogramautomaticallydisplaysmessagesinformingyouaboutimportant
noticesfromLenovo,suchasalertsonsystemupdatesandalertsonconditionsthatrequireyour
attention.
–RescueandRecovery®
TheRescueandRecoveryprogramisaone-buttonrecoveryandrestoresolution.Itincludesaset
ofself-recoverytoolstohelpyoudiagnosecomputerproblems,gethelp,andrecoverfromsystem
crashes,evenifyoucannotstarttheWindowsoperatingsystem.
•ForWindows10only:
–LenovoID
TheLenovoIDprogramenablesyoutocreateyourLenovoIDandaccessallsupportedLenovo
programsandwebportalswithsinglesign-on.
•ForWindows8andWindows8.1:
–LenovoSupport
TheLenovoSupportprogramenablesyoutoregisteryourcomputerwithLenovo,checkthecomputer
healthconditionandbatterystatus,downloadandviewusermanualsforyourcomputer,getthe
warrantyinformationofyourcomputer,andexplorehelpandsupportinformation.
•ForWindows7,Windows8,andWindows8.1:
–FingerprintManagerProorThinkVantageFingerprintSoftware
TheFingerprintManagerProorThinkVantageFingerprintSoftwareprogramenablesyoutousea
fingerprintreader.Theintegratedfingerprintreaderprovidedonsomekeyboardsenablesyoutoenroll
yourfingerprintandassociateitwithyourpower-onpassword,harddiskpassword,andWindows
password.Asaresult,fingerprintauthenticationcanreplacepasswordsandenablesimpleandsecure
useraccess.
–PasswordManager
ThePasswordManagerprogramautomaticallycapturesandfillsinauthenticationinformationfor
WindowsprogramsandWebsites.
–SystemUpdate
TheSystemUpdateprogramprovidesregularaccesstothesystemupdatesforyourcomputer,such
asdevicedriverupdates,softwareupdates,andBIOSupdates.Theprogramgathersinformationfrom
theLenovoHelpCenteraboutnewupdatesforyourcomputer,thensortsanddisplaystheupdatesfor
downloadandinstallation.Youhavecompletecontrolofwhichupdatestodownloadandinstall.
•ForWindows7,Windows8.1,andWindows10:
–LenovoBluetoothLock
TheLenovoBluetoothLockprogramenablesyoutouseaBluetoothdevice(suchasyoursmartphone)
asaproximity-basedunitforlockingorunlockingyourcomputerautomatically.Bydetectingthe
distancebetweenyourcomputerandthepredefinedBluetoothdevicethatyouarecarrying,theLenovo
BluetoothLockprogramautomaticallylocksyourcomputerwhenyouwalkawayandunlocksyour
computerwhenyoucomeback.Thisisasimplewaytoprotectyourcomputeragainstunauthorized
accessincasethatyouforgettolockyourcomputer.
–PCCloudManager
ThePCCloudManager(PCM)programisabrowser-basedsolutionforclient-computermanagement.
ThePCMprogramhastwocomponents:PCMServerandPCMClient.PCMServerisinstalledon
thecomputer,wheretheadministratorperformsmanagementwork,suchaspowermanagement
andsecuritymanagement.PCMClientisinstalledontheclientcomputerstobemanaged.The
administratorcanlogintoPCMServertomanagecomputerswithPCMClientinstalled,throughthe
InternetWebbrowser.
Chapter1.Productoverview7
•ForWindows8,Windows8.1,andWindows10:
–LenovoCompanion
Yourcomputer’sbestfeaturesandcapabilitiesshouldbeeasytoaccessandunderstand.WithLenovo
Companion,theyare.UseLenovoCompaniontodothefollowing:
–Optimizeyourcomputer’sperformance,monitoryourcomputer’shealth,andmanageupdates.
–Accessyouruserguide,checkwarrantystatus,andviewaccessoriescustomizedforyourcomputer.
–Readhow-toarticles,exploreLenovoforums,andstayup-to-dateontechnologynewswitharticles
andblogsfromtrustedsources.
LenovoCompanionisfilledwithexclusiveLenovocontenttohelpyoulearnmoreaboutwhatyou
candowithyourcomputer.
•ForWindows7,Windows8,Windows8.1,andWindows10:
–LenovoDeviceExperienceorLenovoPCExperience
TheLenovoDeviceExperienceorLenovoPCExperienceprogramhelpsyouworkmoreeasilyand
securely.TheprogramprovideseasyaccesstoLenovoThinkVantageToolsorLenovoTools,important
settingsandinformationaboutyourcomputer,theLenovoSupportWebsite,andsoon.
–LenovoSolutionCenter
TheLenovoSolutionCenterprogramenablesyoutotroubleshootandresolvecomputerproblems.It
combinesdiagnostictests,systeminformationcollection,securitystatus,andsupportinformation,
alongwithhintsandtipsformaximumsystemperformance.
–PowerManager
ThePowerManagerprogramprovidesconvenient,flexible,andcompletepowermanagementfor
yourcomputer.Itenablesyoutoadjustyourcomputerpowersettingstoachievethebestbalance
betweenperformanceandpowersaving.
–REACHitorLenovoReach
TheREACHitorLenovoReachprogramenhancesyourcloudexperience.Thisprogramkeepsyou
connectedatalltimesandenablesyoutoaccessallyourfavoriteitemsfrompersonalcomputers,
smartphones,ortablets.Asaresult,youcanaccess,edit,andshareyourfilesfromanywhere.You
alsocanaddyourfavoriteWebservicestoyourclouddesktopandstaylogged-intoWebsiteswith
thecloudpasswordmanager.
–SHAREitorLenovoSHAREit
TheSHAREitorLenovoSHAREitprogramprovidesaquickandeasywaytosharefilesandfolders
amongcomputers,smartphones,tablets,orsmartTVswiththeAndroidortheWindowsoperating
systeminstalled.SHAREitorLenovoSHAREitusesanytypeofnetworkorevennonetworkatallto
sharefilesandfolders.
Locations
Thissectionprovidesinformationtohelpyoulocatetheconnectorsonthefrontandrearofyourcomputer,
partsonthesystemboard,andcomponentsandinternaldrivesinyourcomputer.
8ThinkCentreM73UserGuide
Locatingconnectors,controls,andindicatorsonthefrontofyour
computer
Figure1“Frontconnector,control,andindicatorlocations”onpage9showsthelocationsoftheconnectors,
controls,andindicatorsonthefrontofyourcomputer.
Figure1.Frontconnector,control,andindicatorlocations
1Opticaldriveeject/closebutton2Powerbutton
3Harddiskdriveactivityindicator4Powerindicator
5USB2.0connector(USBconnector2)6Microphoneconnector
7Headphoneconnector8USB2.0connector(USBconnector1)
Chapter1.Productoverview9
Locatingconnectorsontherearofyourcomputer
Figure2“Rearconnectorlocations”onpage10showsthelocationsoftheconnectorsontherearofyour
computer.Someconnectorsontherearofyourcomputerarecolor-codedtohelpyoudeterminewhereto
connectthecablesonyourcomputer.
34
5 6
Figure2.Rearconnectorlocations
1Powercordconnector2PS/2mouseconnector
3PS/2keyboardconnector4DisplayPortconnector
5VGAmonitorconnector6USB3.0connectors(USBconnectors5and6)
7USB2.0connectors(USBconnectors3and4)8Microphoneconnector
9Audioline-outconnector10Audioline-inconnector
11PCIExpressx16graphicscardslot12PCIExpressx1cardslots(2)
13Ethernetconnector14Security-lockslot
15Serialconnector16Padlockloop
ConnectorDescription
Audioline-inconnectorUsedtoreceiveaudiosignalsfromanexternalaudiodevice,suchasastereo
system.Whenyouattachanexternalaudiodevice,acableisconnectedbetween
theaudioline-outconnectorofthedeviceandtheaudioline-inconnectorofthe
computer.
Audioline-outconnectorUsedtosendaudiosignalsfromthecomputertoexternaldevices,suchaspowered
stereospeakers(speakerswithbuilt-inamplifiers),headphones,multimedia
keyboards,ortheaudioline-inconnectoronastereosystemorotherexternal
recordingdevice.
10ThinkCentreM73UserGuide
ConnectorDescription
DisplayPortconnectorUsedtoattachahigh-performancemonitor,adirect-drivemonitor,orotherdevices
thatuseaDisplayPortconnector.
Note:TheDisplayPortconnectorisnotapplicableonsomemodels.Ifyour
computerhasagraphicscardinstalled,besuretouseamonitorconnectoron
thegraphicscard.
EthernetconnectorUsedtoattachanEthernetcableforalocalareanetwork(LAN).
Note:TooperatethecomputerwithinFCCClassBlimits,useaCategory5eor
betterEthernetcable.
MicrophoneconnectorUsedtoattachamicrophonetoyourcomputerwhenyouwanttorecordsoundorif
youusespeech-recognitionsoftware.
PS/2keyboardconnectorUsedtoattachakeyboardthatusesaPS/2keyboardconnector.
PS/2mouseconnectorUsedtoattachamouse,atrackball,orotherpointingdevicesthatuseaPS/2
mouseconnector.
SerialportUsedtoattachanexternalmodem,aserialprinter,orotherdevicesthatusea
9-pinserialport.
USB2.0connectorUsedtoattachadevicethatrequiresaUSB2.0connection,suchasakeyboard,a
mouse,ascanner,aprinter,orapersonaldigitalassistant(PDA).
USB3.0connectorUsedtoattachadevicethatrequiresaUSB2.0or3.0connection,suchasa
keyboard,amouse,ascanner,aprinter,orapersonaldigitalassistant(PDA).A
USB3.0connectorprovideshightransmissionspeedstoreducethetimethatis
requiredfordatatransmission.
VGAconnectorUsedtoattachaVGAmonitororotherdevicesthatuseaVGAmonitorconnector.
Note:TheVGAconnectorisnotapplicableonsomemodels.Ifyourcomputerhas
agraphicscardinstalled,besuretouseamonitorconnectoronthegraphicscard.
Chapter1.Productoverview11
Locatingcomponents
Figure3“Componentlocations”onpage12showsthelocationsofthevariouscomponentsinyour
computer.Toopenthecomputercover,see“Removingthecomputercover”onpage36.
Figure3.Componentlocations
1Heatsinkandfanassembly2Powersupplyassembly
3Memorymodules4Opticaldrive
5FrontaudioandUSBassembly6Frontbezel
7Slimcardreader8Frontfan(systemfan)assembly
9Harddiskdrive(orsolid-statedrive)10PCIExpresscard
11Heatsinkfanduct
12ThinkCentreM73UserGuide
Locatingpartsonthesystemboard
Figure4“Systemboardpartlocations”onpage13showsthelocationsofthepartsonthesystemboard.
Figure4.Systemboardpartlocations
14-pinpowerconnector2Microprocessorfanconnector
3Memoryslot1(DIMM1)4Memoryslot2(DIMM2)
5Thermalsensorconnector64-pinpowerconnectors(numberandlocationvarybymodel)
714-pinpowerconnector8Parallelconnector
9SATA3.0connectors10Powerfanconnector
11SATA2.0connector12Frontpanelconnector(forconnectingLEDindicatorsand
powerswitch)
13FrontUSBconnector1(forconnectingUSB
ports1and2onthefrontbezel)
14FrontUSBconnector2(forconnectinganadditionalUSB
device)
15Coverpresenceswitchconnector(intrusion
switchconnector)
16ClearCMOS(ComplementaryMetalOxideSemiconductor)
/Recoveryjumper
17Serial(COM2)connector18Frontaudioconnector
19PCIExpressx1cardslots(2)20PCIExpressx16graphicscardslot
21Systemfanconnector22Battery
23Microprocessor
Chapter1.Productoverview13
Locatinginternaldrives
Internaldrivesaredevicesthatyourcomputerusestoreadandstoredata.Youcanadddrivestoyour
computertoincreasestoragecapacityandenableyourcomputertoreadothertypesofmedia.Internal
drivesareinstalledinbays.
Wheninstallingorreplacinganinternaldrive,itisimportanttonotethetypeandsizeofthedrivethatyou
caninstallorreplaceineachbayandcorrectlyconnectthecablestothedriveinstalled.Refertothe
appropriatesectioninChapter5“Installingorreplacinghardware”onpage35forinstructionsonhowto
installorreplaceinternaldrivesforyourcomputer.
Figure5“Drivebaylocations”onpage14showsthelocationsofthedrivebays.
Figure5.Drivebaylocations
1Bay1-Secondarysolid-statedrivebay(witha2.5-inchsolid-statedriveorahybridharddiskdriveinstalledin
somemodels)
2Bay2-Opticaldrivebay(withanopticaldriveinstalledinsomemodels)
3Bay3-Slimcardreaderdrivebay(withaslimcardreaderinstalledinsomemodels)
4Bay4-SATAharddiskdrivebay(witha3.5-inchharddiskdriveora2.5-inchsolid-statedriveinstalled)
14ThinkCentreM73UserGuide
Machinetypeandmodellabel
Themachinetypeandmodellabelidentifiesyourcomputer.WhenyoucontactLenovoforhelp,themachine
typeandmodelinformationhelpssupporttechnicianstoidentifyyourcomputerandprovidefasterservice.
Thefollowingisasampleofthemachinetypeandmodellabel.
Figure6.Machinetypeandmodellabel
Chapter1.Productoverview15
16ThinkCentreM73UserGuide
Chapter2.Usingyourcomputer
Thischapterprovidesinformationonusingsomeofthecomputercomponents.
Frequentlyaskedquestions
Thefollowingareafewtipsthatwillhelpyouoptimizetheuseofyourcomputer.
CanIgetmyuserguideinanotherlanguage?
TheuserguideisavailableinvariouslanguagesontheLenovoSupportWebsiteat:
http://www.lenovo.com/UserManuals
WhereismyrecoverydiscsetorrecoveryUSBkey?
DependingonyourWindowsversion,yourcomputercomeswitharecoverydiscsetorrecovery
USBkey.Ifyourcomputerdoesnotcomewithit,contacttheLenovoCustomerSupportCenterto
orderarecoverydiscsetorrecoveryUSBkey.ForalistofLenovoSupportphonenumbers,goto
http://www.lenovo.com/support/phone.Ifyoucannotfindthesupporttelephonenumberforyourcountry
orregion,contactyourLenovoreseller.
WherecanIfindhelpabouttheWindowsoperatingsystem?
See“Windowshelpsystem”onpage121.
CanIchangetheWindows8.1startupbehaviortoopeneitherthedesktoportheStartscreen?
OntheWindows8.1operatingsystem,youcansetthecomputertoopeneitherthedesktoportheStart
screenbydefault.Tosetthedefaultstartupscreen,dothefollowing:
1.Onthedesktop,moveyourpointertothetaskbaratthebottomofthescreenandright-clickonthe
taskbar.
2.ClickProperties.TheTaskbarandNavigationpropertieswindowisdisplayed.
3.OntheNavigationtab,locatetheStartscreensection,andthendooneofthefollowing:
•Tosetthedesktopasyourdefaultstartupscreen,selectWhenIsigninorcloseallappsona
screen,gotothedesktopinsteadofStartsoacheckisvisible.
•TosettheStartscreenasyourdefaultstartupscreen,removethecheckfromtheWhenIsigninor
closeallappsonthescreen,gotodesktopinsteadofStartcheckbox.
4.ClickOKtosavethenewsetting.
ThisfeatureisnotavailableontheWindows8operatingsystem.
NavigatingamongscreensontheWindows8andWindows8.1operating
systems
Thissectionprovidesinstructionsonhowtonavigateamongthedesktop,theStartscreen,andapplications
thatwereopenedfromtheStartscreenontheWindows8andWindows8.1operatingsystems.Fordetailed
instructions,see“NavigatingonWindows8”onpage17or“NavigatingonWindows8.1”onpage19.
NavigatingonWindows8
Tonavigateamongthedesktop,theStartscreen,andapplicationsthatwereopenedfromtheStartscreen
ontheWindows8operatingsystem,dooneofthefollowing:
©CopyrightLenovo2013,201617
•FromtheStartscreen,dooneofthefollowingtonavigatetothemostrecentlyaccessedworkspace
(application,PCsettings,ordesktop):
–Usingapointingdevice:Movethepointertotheextremebottom-leftcornerofthescreenuntilasmall
representationoftheworkspaceisdisplayed;thenclicktherepresentation.
–Usingatouchscreen:Swipeinandoutontheleftedgeofthescreen.Representationsofallavailable
workspacesaredisplayedalongtheleftedgeofthescreen.Taptherepresentationoftheworkspaceat
thebottom.
Note:Therepresentationofaworkspaceisdisplayedonlyifyouhaveatleastoneactiveworkspacein
thebackgroundofthesystem.
•FromthedesktoporanyotherworkspacethatisopenedfromtheStartscreen,dooneofthefollowingto
navigatetotheStartscreen:
–Usingapointingdevice:Movethepointertotheextremebottom-leftcornerofthescreenuntilasmall
representationoftheStartscreenisdisplayed;thenclicktherepresentation.
–Usingatouchscreen:Dooneofthefollowing:
–Swipeinandoutontheleftedgeofthescreen.Representationsofallavailableworkspacesare
displayedalongtheleftedgeofthescreen.TaptherepresentationoftheStartscreenatthebottom.
–Swipeinfromtherightedgeofthescreentodisplaythecharms;thentapStart.
•Fromanyworkspace(Startscreen,desktop,PCsettings,orapplicationopenedfromtheStartscreen),
useanyofthefollowingprocedurestogotoanotherworkspacethatyouhavepreviouslyopened:
–Tonavigatetoapreviouslyaccessedworkspace(application,PCsettings,ordesktop),dooneofthe
following:
–Usingapointingdevice:
1.Dooneofthefollowing:
•Movethepointertotheextremetop-leftcornerofthescreenandthenmovethepointer
downwardalongtheleftedgeofthescreen.
•Movethepointertotheextremebottom-leftcornerofthescreenandthenmovethepointer
upwardalongtheleftedgeofthescreen.
Representationsofallavailableworkspacesaredisplayedalongtheleftedgeofthescreen.
Note:OnlyactiveworkspacesthatyouhaveaccessedduringthecurrentWindowssession
aredisplayedalongtheleftedge.Ifyoucloseanactiveworkspace,itsrepresentationdoes
notdisplayalongtheleftedgeofthescreen.
2.Clicktherepresentation.
–Usingatouchscreen:
•Method1
1.Swipeinandoutontheleftedgeofthescreen.Representationsofallavailableworkspaces
aredisplayedalongtheleftedgeofthescreen.
2.Tapthedesiredworkspace.
•Method2
1.Swipeinfromtheleftedgeofthescreentonavigatetothenextavailableworkspace.
2.Repeatstep1untilyounavigatetothedesiredworkspace.
–Tonavigatetothemostrecentlyaccessedworkspace(application,PCsettings,ordesktop),doone
ofthefollowing:
–Usingapointingdevice:Movethepointertotheextremetop-leftcornerofthescreenuntilasmall
representationoftheworkspaceisdisplayed;thenclicktherepresentation.
18ThinkCentreM73UserGuide
–Usingatouchscreen:Swipeinfromtheleftedgeofthescreen.
ForinformationaboutusingotherfeaturesoftheWindows8operatingsystem,refertotheWindowshelp
system.Formoreinformation,see“Windowshelpsystem”onpage121.
NavigatingonWindows8.1
Tonavigateamongthedesktop,theStartscreen,andapplicationsthatwereopenedfromtheStartscreen
ontheWindows8.1operatingsystem,dooneofthefollowing:
•FromtheStartscreen,dooneofthefollowingtonavigatetothemostrecentlyaccessedworkspace
(application,setting,ordesktop):
–Usingapointingdevice:Movethepointertotheextremebottom-leftcornerofthescreenuntilthe
Windowsscreen-controliconisdisplayed;thenclicktheicon.
–Usingatouchscreen:Swipeinandoutontheleftedgeofthescreen.Representationsofallavailable
workspacesaredisplayedalongtheleftedgeofthescreen.TaptheWindowsscreen-controlicon
atthebottom.
Note:TheWindowsscreen-controliconisdisplayedonlyifyouhaveatleastoneactiveworkspace
inthebackgroundofthesystem.
•FromthedesktoporanyotherworkspacethatisopenedfromtheStartscreen,dooneofthefollowingto
navigatetotheStartscreen:
–Usingapointingdevice:
–Fromthedesktop,clicktheWindowsscreen-controliconinthebottom-leftcornerofthescreen.
–Fromanyotherworkspace,movethepointertotheextremebottom-leftcornerofthescreenuntil
theWindowsscreen-controliconisdisplayed;thenclicktheicon.
–Usingatouchscreen:Dooneofthefollowing:
–Fromthedesktop,taptheWindowsscreen-controliconinthebottom-leftcornerofthescreen.
–Fromanyotherworkspace,dooneofthefollowing:
•Swipeinandoutontheleftedgeofthescreen.Representationsofallavailableworkspaces
aredisplayedalongtheleftedgeofthescreen.TaptheWindowsscreen-controliconat
thebottom.
•Swipeinfromtherightedgeofthescreentodisplaythecharms;thentapStart.
•Fromanyworkspace(Startscreen,desktop,PCsettings,orapplicationopenedfromtheStartscreen),
useanyofthefollowingprocedurestogotoanotherworkspacethatyouhavepreviouslyopened:
–Tonavigatetoapreviouslyaccessedworkspace(application,setting,ordesktop),dooneofthe
following:
–Usingapointingdevice:
1.Dooneofthefollowing:
•Movethepointertotheextremetop-leftcornerofthescreenandthenmovethepointer
downwardalongtheleftedgeofthescreen.
•Movethepointertotheextremebottom-leftcornerofthescreenandthenmovethepointer
upwardalongtheleftedgeofthescreen.
Representationsofallavailableworkspacesaredisplayedalongtheleftedgeofthescreen.
Chapter2.Usingyourcomputer19
Note:OnlyactiveworkspacesthatyouhaveaccessedduringthecurrentWindowssession
aredisplayedalongtheleftedge.Ifyoucloseanactiveworkspace,itsrepresentationdoes
notdisplayalongtheleftedgeofthescreen.
2.Clicktherepresentation.
–Usingatouchscreen:
•Method1
1.Swipeinandoutontheleftedgeofthescreen.Representationsofallavailableworkspaces
aredisplayedalongtheleftedgeofthescreen.
2.Tapthedesiredworkspace.
•Method2
1.Swipeinfromtheleftedgeofthescreentonavigatetothenextavailableworkspace.
2.Repeatstep1untilyounavigatetothedesiredworkspace.
–Tonavigatetothemostrecentlyaccessedworkspace(application,PCsettings,ordesktop),doone
ofthefollowing:
–Usingapointingdevice:Movethepointertotheextremetop-leftcornerofthescreenuntilthe
Windowsscreen-controliconisdisplayed;thenclicktheicon.
–Usingatouchscreen:Swipeinfromtheleftedgeofthescreen.
ForinformationaboutusingotherfeaturesoftheWindows8.1operatingsystem,opentheHelp+Tips
applicationfromtheStartscreenorAppsscreen,orrefertotheWindowshelpsystem.Formoreinformation,
see“Windowshelpsystem”onpage121.
AccessingControlPanelontheWindows8orWindows8.1operating
system
OntheWindowsoperatingsystem,youcanviewandchangecomputersettingsthroughControlPanel.To
accessControlPanelontheWindows8orWindows8.1operatingsystem,dooneofthefollowing:
•Fromthedesktop
1.Movethepointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.
2.ClickSettings.
3.ClickControlPanel.
•FromtheStartscreen
–ForWindows8:
1.Movethepointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.
2.ClickSearch.
3.OntheAppsscreen,scrolltotherightside,andclickControlPanelintheWindowsSystem
section.
–ForWindows8.1:
1.Clickthearrowiconinthebottom-leftcornerofthescreentogototheAppsscreen.
2.Scrolltotherightside,andclickControlPanelintheWindowsSystemsection.
UsingWindowsshortcutkeys
Boththestandardkeyboardandthefingerprintreaderkeyboardprovidethreekeysyoucanusewithyour
MicrosoftWindowsoperatingsystem.
20ThinkCentreM73UserGuide
•ThetwoWindowslogokeysarelocatedbesidetheAltkeyoneithersideofthespacebar.Theyfeature
theWindowslogo.OntheWindows7orWindows10operatingsystem,presstheWindowskeyto
opentheStartmenu.OntheWindows8orWindows8.1operatingsystem,presstheWindowskey
toswitchbetweenthecurrentworkspaceandtheStartscreen.ThestyleoftheWindowslogovaries
dependingonthekeyboardtype.
•Thecontext-menukeyislocatednexttotheCtrlkeyontherightsideoftheSpacebar.Pressingthe
context-menukeyopensthecontextmenufortheactiveprogram,icon,orobject.
Note:YoucanusethemouseortheUpandDownarrowkeystohighlightmenuselections.
Usingthewheelmouse
Thewheelmousehasthefollowingcontrols:
1PrimarymousebuttonUsethisbuttontoselectorstartaprogramormenuitem.
2WheelUsethewheeltocontrolthescrollingactionofthemouse.Thedirectioninwhichyou
rotatethewheelcontrolsthedirectionofthescrollingaction.
3SecondarymousebuttonUsethisbuttontodisplayamenufortheactiveprogram,icon,orobject.
Youcanswitchthefunctionoftheprimaryandsecondarymousebuttonsandchangeotherdefaultbehavior
throughthemousepropertiesfunctionintheWindowsControlPanel.
Settingthecomputervolume
Tosetthecomputervolume,dothefollowing:
1.ClickthevolumeiconintheWindowsnotificationareaonthetaskbar.
Note:IfthevolumeiconisnotdisplayedintheWindowsnotificationarea,addtheicontothe
notificationarea.See“AddinganicontotheWindowsnotificationarea”onpage21.
2.Followtheinstructionsonthescreentoadjustthevolume.Clickthespeakericontomutetheaudio.
AddinganicontotheWindowsnotificationarea
ToaddanicontotheWindowsnotificationarea,dothefollowing:
1.Clickthearrownexttothenotificationareatoviewhiddenicons.Then,clickthedesirediconand
dragittothenotificationarea.
2.Iftheiconisnotdisplayed,turnontheicon.
a.DependingonyourWindowsversion,dooneofthefollowing:
Chapter2.Usingyourcomputer21
•ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthenclickControlPanel.
ViewControlPanelusingLargeiconsorSmallicons,andthenclickNotificationAreaIcons➙
Turnsystemiconsonoroff.
•ForWindows8orWindows8.1:OpenControlPanel.ViewControlPanelusingLargeiconsor
Smallicons,andthenclickNotificationAreaIcons➙Turnsystemiconsonoroff.
Note:FordetailedinformationonhowtoopenControlPanelonWindows8andWindows8.1,
see“AccessingControlPanelontheWindows8orWindows8.1operatingsystem”onpage20.
•ForWindows10:ClicktheStartbuttontoopentheStartmenu.Then,clickSettings➙System
➙Notifications&actions➙Turnsystemiconsonoroff.
b.Turnonthedesiredicon.
3.IftheiconisstillnotdisplayedintheWindowsnotificationarea,repeatstep1.
UsingCDsandDVDs
YourcomputermighthaveaDVDROMdriveorrecordableDVDdriveinstalled.DVDdrivesuse
industry-standard,12cm(4.75-inch)CDmediaorDVDmedia.IfyourcomputercomeswithaDVDdrive,
thedrivecanreadDVD-ROMdiscs,DVD-Rdiscs,DVD-RAMdiscs,DVD-RWdiscs,andalltypesofCDs,
suchasCD-ROMdiscs,CD-RWdiscs,CD-Rdiscs,andaudioCDs.IfyouhavearecordableDVDdrive,
itcanalsorecordonDVD-Rdiscs,DVD-RWdiscs,typeIIDVD-RAMdiscs,CD-RWstandardandhigh
speeddiscs,andCD-Rdiscs.
FollowtheseguidelineswhenusingtheDVDdrive:
•Donotplacethecomputerinalocationwherethedriveisexposedtothefollowing:
–Hightemperature
–Highhumidity
–Excessivedust
–Excessivevibrationorsuddenshock
–Aninclinedsurface
–Directsunlight
•DonotinsertanyobjectotherthanaCDorDVDintothedrive.
•Beforemovingthecomputer,removetheCDorDVDfromthedrive.
HandlingandstoringCDandDVDmedia
CDandDVDmediaaredurableandreliable,buttheydorequiresomecareandspecialhandling.When
handlingandstoringaCDorDVD,followtheseguidelines:
•Holdthediscbyitsedges.Donottouchthesurfaceofthesidethatisnotlabeled.
•Toremovedustorfingerprints,wipethediscwithaclean,softclothfromthecentertotheoutside.Wiping
thediscinacirculardirectionmightcauselossofdata.
•Donotwriteorstickpaperonthedisc.
•Donotscratchormarkthedisc.
•Donotplaceorstorethediscindirectsunlight.
•Donotusebenzene,thinners,orothercleanerstocleanthedisc.
•Donotdroporbendthedisc.
•Donotinsertdamageddiscsintothedrive.Warped,scratched,ordirtydiscscandamagethedrive.
22ThinkCentreM73UserGuide
PlayingaCDorDVD
IfyourcomputercomeswithaDVDdrive,youcanlistentoaudioCDsorwatchDVDmovies.Toplaya
CDorDVD,dothefollowing:
1.PresstheEject/LoadbuttonontheDVDdrivetoopenthetray.
2.Withthetrayfullyextended,inserttheCDorDVDintothetray.SomeDVDdriveshaveasnaphubinthe
centerofthetray.Ifyourdrivehasasnaphub,supportthetraywithonehandandthenpushonthe
centeroftheCDorDVDuntilitsnapsintoplace.
3.PresstheEject/Loadbuttonagainorgentlypushthetrayforwardtoclosethetray.TheCDorDVD
playerprogramstartsautomatically.Foradditionalinformation,refertotheCDorDVDplayerprogram
helpsystem.
ToremoveaCDorDVDfromtheDVDdrive,dothefollowing:
1.Withthecomputeron,presstheEject/Loadbutton.Whenthetrayslidesoutautomatically,carefully
removethedisc.
2.ClosethetraybypressingtheEject/Loadbuttonorbygentlypushingthetrayforward.
Note:IfthetraydoesnotslideoutofthedrivewhenyoupresstheEject/Loadbutton,insertastraightened
paperclipintotheemergency-ejectholelocatedonthefrontoftheDVDdrive.Besurethedriveispowered
offwhenusingtheemergencyeject.UsetheEject/Loadbuttoninsteadoftheemergencyejectexcept
inanemergency.
RecordingaCDorDVD
Ifyouropticaldrivesupportsrecording,youcanrecordaCDorDVD.
TorecordaCDorDVD,dothefollowing:
1.Insertarecordablediscintotheopticaldrivethatsupportsrecording.
2.OpenthePowerDVDCreate,PowerProducer,orPower2Goprogram.See“Accessingaprogramon
yourcomputer”onpage5.
3.Followtheinstructionsonthescreen.
Chapter2.Usingyourcomputer23
24ThinkCentreM73UserGuide
Chapter3.Youandyourcomputer
Thischapterprovidesinformationaboutaccessibility,comfort,andrelocatingyourcomputertoother
countriesorregions.
Accessibilityandcomfort
Goodergonomicpracticeisimportanttogetthemostfromyourpersonalcomputerandtoavoiddiscomfort.
Arrangeyourworkplaceandtheequipmentyouusetosuityourindividualneedsandthekindofwork
thatyouperform.Inaddition,usehealthyworkhabitstomaximizeyourperformanceandcomfortwhile
usingyourcomputer.
Thefollowingtopicsprovideinformationaboutarrangingyourworkarea,settingupyourcomputer
equipment,andestablishinghealthyworkhabits.
Arrangingyourworkspace
Togetthemostfromyourcomputer,arrangeboththeequipmentyouuseandyourworkareatosuityour
needsandthekindofworkyoudo.Yourcomfortisofforemostimportance,butlightsources,aircirculation,
andthelocationofelectricaloutletscanalsoaffectthewayyouarrangeyourworkspace.
Comfort
Althoughnosingleworkingpositionisidealforeveryone,hereareafewguidelinestohelpyoufinda
positionthatsuitsyoubest.
Sittinginthesamepositionforalongtimecancausefatigue.Thebackrestandseatofyourchairshould
adjustindependentlyandprovidegoodsupport.Theseatshouldhaveacurvedfronttorelievepressureon
thethighs.Adjusttheseatsothatyourthighsareparalleltothefloorandyourfeetareeitherflatonthe
floororonafootrest.
Whenusingthekeyboard,keepyourforearmsparalleltothefloorandyourwristsinacomfortableposition.
Usealighttouchonthekeyboardandyourhandsandfingersrelaxed.Changetheangleofthekeyboard
formaximumcomfortbyadjustingthepositionofthekeyboardfeet.
Adjustthemonitorsothetopofthescreenisat,orslightlybelow,eyelevel.Placethemonitorata
comfortableviewingdistance,usually51to61cm(20to24inches),andpositionitsoyoucanviewit
withouthavingtotwistyourbody.Also,positionotherequipmentyouuseregularly,suchasthetelephoneor
amouse,withineasyreach.
©CopyrightLenovo2013,201625
Glareandlighting
Positionthemonitortominimizeglareandreflectionsfromoverheadlights,windows,andotherlightsources.
Reflectedlightfromshinysurfacescancauseannoyingreflectionsonyourmonitorscreen.Placethe
monitoratrightanglestowindowsandotherlightsources,whenpossible.Reduceoverheadlighting,if
necessary,byturningofflightsorusinglowerwattagebulbs.Ifyouinstallthemonitornearawindow,use
curtainsorblindstoblockthesunlight.Youcanadjustthebrightnessandcontrastcontrolsonthemonitor
astheroomlightingchangesthroughouttheday.
Whereitisimpossibletoavoidreflectionsortoadjustthelighting,anantiglarefilterplacedoverthescreen
mightbehelpful.However,thesefiltersmightaffecttheclarityoftheimageonthescreen;trythemonlyafter
youhaveexhaustedothermethodsofreducingglare.
Dustbuildupcompoundsproblemsassociatedwithglare.Remembertocleanyourmonitorscreen
periodicallyusingasoftclothasdirectedinyourmonitordocumentation.
Aircirculation
Yourcomputerandmonitorproduceheat.Thecomputerhasafanthatpullsinfreshairandforcesouthot
air.Themonitorletshotairescapethroughvents.Blockingtheairventscancauseoverheating,whichmight
resultinamalfunctionordamage.Placethecomputerandmonitorsothatnothingblockstheairvents;
usually,51mm(2inches)ofairspaceissufficient.Also,makesuretheventedairisnotblowingonpeople.
Electricaloutletsandcablelengths
Thelocationofelectricaloutlets,thelengthofpowercordsandcablesthatconnecttothemonitor,printer,
andotherdevicesmightdeterminethefinalplacementofyourcomputer.
Whenarrangingyourworkspace:
•Avoidtheuseofextensioncords.Whenpossible,plugthecomputerpowercorddirectlyintoanelectrical
outlet.
•Keeppowercordsandcablesneatlyroutedawayfromwalkwaysandotherareaswheretheymight
getkickedaccidentally.
Formoreinformationaboutpowercords,see“Powercordsandpoweradapters”onpagevi.
Accessibilityinformation
Lenovoiscommittedtoprovidinguserswhohavehearing,vision,andmobilitylimitationswithgreater
accesstoinformationandtechnology.Thissectionprovidesinformationaboutthewaystheseuserscanget
themostoutoftheircomputerexperience.Youalsocangetthemostup-to-dateaccessibilityinformation
fromthefollowingWebsite:
http://www.lenovo.com/accessibility
Keyboardshortcuts
Thefollowingtablecontainskeyboardshortcutsthatcanhelpmakeyourcomputereasiertouse.
Note:Dependingonyourkeyboard,someofthefollowingkeyboardshortcutsmightnotbeavailable.
KeyboardshortcutFunction
Windowslogokey+UOpenEaseofAccessCenter
RightShiftforeightsecondsTurnonorturnoffFilterKeys
ShiftfivetimesTurnonorturnoffStickyKeys
26ThinkCentreM73UserGuide
KeyboardshortcutFunction
NumLockforfivesecondsTurnonorturnoffToggleKeys
LeftAlt+LeftShift+NumLockTurnonorturnoffMouseKeys
LeftAlt+LeftShift+PrtScn(orPrtSc)TurnonorturnoffHighContrast
Formoreinformation,gotohttp://windows.microsoft.com,andthenperformasearchusinganyofthe
followingkeywords:keyboardshortcuts,keycombinations,shortcutkeys.
EaseofAccessCenter
EaseofAccessCenterontheWindowsoperatingsystemenablesuserstoconfiguretheircomputersto
suittheirphysicalandcognitiveneeds.
TouseEaseofAccessCenter,dothefollowing:
1.DependingonyourWindowsversion,dooneofthefollowing:
•ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthenclickControlPanel.View
ControlPanelusingLargeiconsorSmallicons,andthenclickEaseofAccessCenter.
•ForWindows8orWindows8.1:Movethepointertothetop-rightorbottom-rightcornerofthescreen
todisplaythecharms.Then,clickSettings➙ChangePCsettings➙EaseofAccess.
•ForWindows10:ClicktheStartbuttontoopentheStartmenu.Then,clickSettings➙Easeof
Access.
2.Choosetheappropriatetoolbyfollowingtheinstructionsonthescreen.
EaseofAccessCentermainlyincludesthefollowingtools:
•Magnifier
Magnifierisausefulutilitythatenlargestheentirescreenorpartofthescreensothatyoucansee
theitemsbetter.
•Narrator
Narratorisascreenreaderthatreadsaloudwhatisdisplayedonthescreenanddescribeseventssuchas
errormessages.
•On-ScreenKeyboard
Ifyouprefertotypeorenterdataintoyourcomputerusingamouse,joystick,orotherpointingdevice
insteadofaphysicalkeyboard,youcanuseOn-ScreenKeyboard.On-ScreenKeyboarddisplaysavisual
keyboardwithallthestandardkeys.
•HighContrast
HighContrastisafeaturethatheightensthecolorcontrastofsometextandimagesonyourscreen.Asa
result,thoseitemsaremoredistinctandeasiertoidentify.
•Personalizedkeyboard
Adjustkeyboardsettingstomakeyourkeyboardeasiertouse.Forexample,youcanuseyourkeyboard
tocontrolthepointerandtypecertainkeycombinationseasier.
•Personalizedmouse
Adjustmousesettingstomakeyourmouseeasiertouse.Forexample,youcanchangethepointer
appearanceandmakeiteasiertomanagewindowswiththemouse.
SpeechRecognition
SpeechRecognitionenablesyoutocontrolyourcomputerbyvoice.
Chapter3.Youandyourcomputer27
Usingonlyyourvoice,youcanstartprograms,openmenus,clickobjectsonthescreen,dictatetextinto
documents,andwriteandsende-mails.Everythingyoudowiththekeyboardandmousecanbedonewith
onlyyourvoice.
TouseSpeechRecognition,dothefollowing:
1.DependingonyourWindowsversion,dooneofthefollowing:
•ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthenclickControlPanel.
•ForWindows8orWindows8.1:OpenControlPanel.See“AccessingControlPanelontheWindows
8orWindows8.1operatingsystem”onpage20.
•ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu,andthenclickControl
Panel.
2.ViewControlPanelusingLargeiconsorSmallicons,andthenclickSpeechRecognition.
3.Followtheinstructionsonthescreen.
Screen-readertechnologies
Screen-readertechnologiesareprimarilyfocusedonsoftwareprograminterfaces,helpinformationsystems,
andvariousonlinedocuments.Foradditionalinformationaboutscreenreaders,seethefollowing:
•UsingPDFswithscreenreaders:
http://www.adobe.com/accessibility.html?promoid=DJGVE
•UsingtheJAWSscreenreader:
http://www.freedomscientific.com/jaws-hq.asp
•UsingtheNVDAscreenreader:
http://www.nvaccess.org/
Screenresolution
Youcanmakethetextandimagesonyourscreeneasiertoreadbyadjustingthescreenresolutionofyour
computer.
Toadjustthescreenresolution,dothefollowing:
1.Right-clickablankareaonthedesktop.
2.DependingonyourWindowsversion,dooneofthefollowing:
•ForWindows7,Windows8,orWindows8.1:ClickScreenresolution.
•ForWindows10:ClickDisplaysettings.OntheDisplaytab,clickAdvanceddisplaysettings.
3.Followtheinstructionsonthescreen.
Note:Settingtheresolutiontoolowmightpreventsomeitemsfromfittingonthescreen.
Customizableitemsize
Youcanmaketheitemsonyourscreeneasiertoreadbychangingtheitemsize.
•Tochangetheitemsizetemporarily,usetheMagnifiertoolinEaseofAccessCenter.See“Easeof
AccessCenter”onpage27.
•Tochangetheitemsizepermanently,dothefollowing:
–Changethesizeofalltheitemsonyourscreen.
1.Right-clickablankareaonthedesktop.
2.DependingonyourWindowsversion,dooneofthefollowing:
28ThinkCentreM73UserGuide
–ForWindows7,Windows8,orWindows8.1:ClickScreenresolution➙Maketextandother
itemslargerorsmaller.
–ForWindows10:ClickDisplaysettings.
3.Changetheitemsizebyfollowingtheinstructionsonthescreen.
4.ClickApply.Thischangewilltakeeffectthenexttimeyoulogintotheoperatingsystem.
–ChangethesizeoftheitemsonaWebpage.
PressandholdCtrl,andthenpresstheplus-signkey(+)toenlargeortheminus-signkey(-)to
reducethetextsize.
–Changethesizeoftheitemsonthedesktoporawindow.
Note:Thisfunctionmightnotworkonsomewindows.
Ifyourmousehasawheel,pressandholdCtrl,andthenscrollthewheeltochangetheitemsize.
Industry-standardconnectors
Yourcomputerprovidesindustry-standardconnectorsthatenableyoutoconnectassistivedevices.
Formoreinformationaboutthelocationandfunctionoftheconnectors,see“Locations”onpage8.
TTY/TDDconversionmodem
Yourcomputersupportstheuseofatexttelephone(TTY)orthetelecommunicationsdeviceforthedeaf
(TDD)conversionmodem.ThemodemmustbeconnectedbetweenyourcomputerandaTTY/TDD
telephone.Then,youcantypeamessageonyourcomputerandsendittothetelephone.
Documentationinaccessibleformats
Lenovoprovideselectronicdocumentationinaccessibleformats,suchasproperlytaggedPDFfilesor
HyperTextMarkupLanguage(HTML)files.Lenovoelectronicdocumentationisdevelopedtoensure
thatvisuallyimpaireduserscanreadthedocumentationthroughascreenreader.Eachimageinthe
documentationalsoincludesadequatealternativetextsothatvisuallyimpaireduserscanunderstandthe
imagewhentheyuseascreenreader.
Registeringyourcomputer
WhenyouregisteryourcomputerwithLenovo,youenterrequiredinformationintoaLenovodatabase.The
informationenablesLenovotocontactyouwhenthereisarecallorothersevereproblemandprovide
quickerservicewhenyoucallLenovoforhelp.Inaddition,somelocationsofferextendedprivilegesand
servicestoregisteredusers.
ToregisteryourcomputerwithLenovo,ensurethatyourcomputerisconnectedtotheInternet.Then,goto
http://www.lenovo.com/registerandfollowtheinstructionsonthescreen.
Movingyourcomputertoanothercountryorregion
Whenyoumoveyourcomputertoanothercountryorregion,youmusttakelocalelectricalstandards
intoconsideration.
Ifyourelocateyourcomputertoacountryorregionthatusesanelectricaloutletstyledifferentfromthe
typeyouarecurrentlyusing,youwillhavetopurchaseeitherelectricalplugadaptersornewpowercords.
YoucanorderpowercordsdirectlyfromLenovo.
Forpowercordinformationandpartnumbers,goto:
http://www.lenovo.com/powercordnotice
Chapter3.Youandyourcomputer29
30ThinkCentreM73UserGuide
Chapter4.Security
Thischapterprovidesinformationabouthowtoprotectyourcomputerfromtheftandunauthorizeduse.
Securityfeatures
Thefollowingsecurityfeaturesareavailableonyourcomputer:
•ComputraceAgentsoftwareembeddedinfirmware
TheComputraceAgentsoftwareisanITassetmanagementandcomputertheftrecoverysolution.
Thesoftwaredetectsifchangeshavebeenmadeonthecomputer,suchashardware,software,or
thecomputercall-inlocation.
Note:YoumighthavetopurchaseasubscriptiontoactivatetheComputraceAgentsoftware.
•Coverpresenceswitch(alsocalledintrusionswitch)
Thecoverpresenceswitchpreventsyourcomputerfromloggingintotheoperatingsystemwhenthe
computercoverisnotproperlyinstalledorclosed.Toenablethecoverpresenceswitchconnector
onthesystemboard,tothefollowing:
1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage89.
2.SettheAdministratorPassword.See“Setting,changing,anddeletingapassword”onpage90.
3.FromtheSecuritysubmenu,selectChassisIntrusionDetection➙Enabled.Thecoverpresence
switchconnectoronthesystemboardisenabled.
Whenthecoverpresenceswitchdetectsthatyourcomputercoverisnotproperlyinstalledorclosed
whenyouturnonthecomputer,anerrormessagewillbedisplayed.Tobypasstheerrormessageand
logintotheoperatingsystem,dothefollowing:
1.Properlyinstallorcloseyourcomputercover.See“Completingthepartsreplacement”onpage77.
2.PressF1toentertheSetupUtilityprogram.ThenpressF10tosaveandexittheSetupUtility
program.Theerrormessagewillnotbedisplayedagain.
•AbilitytoenableanddisabledevicesandUSBconnectors
Formoreinformation,see“Enablingordisablingadevice”onpage91.
•Integratedfingerprintreader(availableonsomemodels)
Dependingonthemodelsofyourcomputer,thekeyboardmayhaveanintegratedfingerprintreader.
ByenrollingyourfingerprintandassociatingitwithaPower-onPassword,aHardDiskPassword,or
bothpasswordsbeforehand,youcanstartthecomputer,logontothesystem,andentertheSetup
Utilityprogrambyswipingyourfingeroverthereader,withouttypingapassword.Thusfingerprint
authenticationcanreplacepasswordsandenablesimpleandsecureuseraccess.
•Startupsequencecontrol
Formoreinformation,see“Selectingorchangingthestartupdevicesequence”onpage92.
•Startupwithoutkeyboardormouse
Yourcomputerisabletologintotheoperatingsystemwithoutkeyboardormouseconnected.
•TrustedPlatformModule(TPM)(availableonsomemodels)
TrustedPlatformModuleisasecurecryptoprocessorthatcanstorecryptographickeysthatprotect
informationstoredinyourcomputer.
©CopyrightLenovo2013,201631
Lockingthecomputercover
Lockingthecomputercoverhelpspreventunauthorizedpeoplefromgainingaccesstotheinsideofyour
computer.Yourcomputercomeswithapadlockloopsothatthecomputercovercannotberemoved
whenapadlockisinstalled.
Figure7.Installingapadlock
32ThinkCentreM73UserGuide
AttachingaKensington-stylecablelock
YoucanuseaKensington-stylecablelocktosecureyourcomputertoadesk,table,orothernon-permanent
fixture.Thecablelockattachestothesecurity-lockslotattherearofyourcomputerandisoperatedwitha
keyorcombinationdependingonthetypeselected.Thecablelockalsolocksthebuttonsusedtoopenthe
computercover.Thisisthesametypeoflockusedwithmanynotebookcomputers.Youcanordersucha
cablelockdirectlyfromLenovobysearchingforKensingtonat:
http://www.lenovo.com/support
Figure8.Kensington-stylecablelock
Preventingunauthorizedaccesstoyourcomputer
YoucanuseBIOSpasswordsandWindowsaccountstopreventunauthorizedaccesstoyourcomputerand
data.
•TouseBIOSpasswords,see“UsingBIOSpasswords”onpage89.
•TouseWindowsaccounts,dothefollowing:
1.DependingonyourWindowsversion,dooneofthefollowing:
–ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthenclickControlPanel➙
UserAccounts.
–ForWindows8orWindows8.1:Movethepointertothetop-rightorbottom-rightcornerofthe
screentodisplaythecharms.Then,clickSettings➙ChangePCsettings➙Accounts.
–ForWindows10:ClicktheStartbuttontoopentheStartmenu,andthenclickSettings➙
Accounts.
2.Followtheinstructionsonthescreen.
Chapter4.Security33
Usingfingerprintauthentication
Ifyourkeyboardhasafingerprintreader,youcanusefingerprintauthenticationtoreplacepasswordsfor
simpleandsecureuseraccess.Tousefingerprintauthentication,firstenrollyourfingerprintsandassociate
themwithyourpasswords(suchasthepower-onpassword,harddiskpassword,andWindowspassword).
Usethefingerprintreaderandthefingerprintprogramtocompletethisprocedure.
Tousefingerprintauthentication,dooneofthefollowing:
•ForWindows7,Windows8,orWindows8.1:UsetheFingerprintManagerProorThinkVantage
FingerprintSoftwareprogramprovidedbyLenovo.Toopentheprogram,see“Accessingaprogramon
yourcomputer”onpage5.Formoreinformationaboutusingtheprogram,refertothehelpsystem
oftheprogram.
•ForWindows10:UsethefingerprinttoolprovidedbyWindows.ClicktheStartbuttontoopentheStart
menu,andthenclickSettings➙Accounts➙Sign-inoptions.Followtheinstructionsonthescreen.
Tousethefingerprintreader,refertothedocumentationshippedwiththefingerprintkeyboardorlocatedon
theLenovoSupportWebsiteathttp://www.lenovo.com/support/keyboards.
Usingandunderstandingfirewalls
Afirewallcanbehardware,software,oracombinationofbothdependingonthelevelofsecurityrequired.
Firewallsworkonasetofrulestodeterminewhichinboundandoutboundconnectionsareauthorized.If
yourcomputerispreinstalledwithafirewallprogram,ithelpsprotectagainstcomputerInternetsecurity
threats,unauthorizedaccess,intrusions,andInternetattacks.Italsoprotectsyourprivacy.Formore
informationabouthowtousethefirewallprogram,refertothehelpsystemofyourfirewallprogram.
TheWindowsoperatingsystempreinstalledonyourcomputerprovidestheWindowsFirewall.Fordetailson
usingtheWindowsFirewall,referto“Windowshelpsystem”onpage121.
Protectingdataagainstviruses
Yourcomputerispreinstalledwithanantivirusprogramtohelpyouguardagainst,detect,andeliminate
viruses.
Lenovoprovidesafullversionofantivirussoftwareonyourcomputerwithafree30-daysubscription.After
30days,youmustrenewthelicensetocontinuereceivingtheantivirussoftwareupdates.
Note:Virusdefinitionfilesmustbekeptup-to-datetoguardagainstnewviruses.
Formoreinformationabouthowtouseyourantivirussoftware,refertothehelpsystemofyourantivirus
software.
34ThinkCentreM73UserGuide
Chapter5.Installingorreplacinghardware
Thischapterprovidesinstructionsonhowtoinstallorreplacehardwareforyourcomputer.
Handlingstatic-sensitivedevices
Donotopenthestatic-protectivepackagecontainingthenewpartuntilthedefectiveparthasbeenremoved
fromthecomputerandyouarereadytoinstallthenewpart.Staticelectricity,althoughharmlesstoyou,can
seriouslydamagecomputercomponentsandparts.
Whenyouhandlepartsandothercomputercomponents,taketheseprecautionstoavoidstatic-electricity
damage:
•Limityourmovement.Movementcancausestaticelectricitytobuilduparoundyou.
•Alwayshandlepartsandothercomputercomponentscarefully.HandlePCIcards,memorymodules,
systemboards,andmicroprocessorsbytheedges.Nevertouchanyexposedcircuitry.
•Preventothersfromtouchingthepartsandothercomputercomponents.
•Beforeyoureplaceanewpart,touchthestatic-protectivepackagecontainingtheparttoametal
expansion-slotcoverorotherunpaintedmetalsurfaceonthecomputerforatleasttwoseconds.This
reducesstaticelectricityfromthepackageandyourbody.
•Whenpossible,removethenewpartfromthestatic-protectivepackaging,andinstallitdirectlyinthe
computerwithoutsettingthepartdown.Whenthisisnotpossible,placethestatic-protectivepackage
thatthepartcameinonasmooth,levelsurfaceandplacethepartonit.
•Donotplacethepartonthecomputercoverorothermetalsurface.
Installingorreplacinghardware
Thissectionprovidesinstructionsonhowtoinstallorreplacehardwareforyourcomputer.Youcanexpand
thecapabilitiesofyourcomputerandmaintainyourcomputerbyinstallingorreplacinghardware.
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
Notes:
•UseonlycomputerpartsprovidedbyLenovo.
•Wheninstallingorreplacinganoption,usetheappropriateinstructionsinthissectionalongwiththe
instructionsthatcomewiththeoption.
Installingexternaloptions
Youcanconnectexternaloptionstoyourcomputer,suchasexternalspeakers,aprinter,orascanner.For
someexternaloptions,youmustinstalladditionalsoftwareinadditiontomakingthephysicalconnection.
Wheninstallinganexternaloption,see“Locatingconnectors,controls,andindicatorsonthefrontofyour
computer”onpage9and“Locatingconnectorsontherearofyourcomputer”onpage10toidentifythe
requiredconnector.Then,usetheinstructionsthatcomewiththeoptiontohelpyoumaketheconnection
andinstallanysoftwareordevicedriversthatarerequiredfortheoption.
©CopyrightLenovo2013,201635
Removingthecomputercover
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
Thissectionprovidesinstructionsonhowtoopenthecomputercover.
CAUTION:
Beforeyouopenthecomputercover,turnoffthecomputerandwaitseveralminutesuntilthe
computeriscool.
Toopenthecomputercover,dothefollowing:
1.Removeanymediafromthedrivesandturnoffallattacheddevicesandthecomputer.
2.Disconnectallpowercordsfromelectricaloutlets.
3.Disconnectthepowercord,Input/Outputcables,andanyothercablesthatareconnectedtothe
computer.See“Locatingconnectors,controls,andindicatorsonthefrontofyourcomputer”onpage9
and“Locatingconnectorsontherearofyourcomputer”onpage10.
4.Removeanylockingdevicethatsecuresthecomputercover,suchasanintegratedcablelockora
padlock.See“AttachingaKensington-stylecablelock”onpage33or“Lockingthecomputercover”
onpage32.
5.Removethetwoscrewsthatsecurethecomputercoverandslidethecomputercovertotherearto
removeit.
Figure9.Removingthecomputercover
Removingandreinstallingthefrontbezel
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
Thissectionprovidesinstructionsonhowtoremoveandreinstallthefrontbezel.
Toremoveandreinstallthefrontbezel,dothefollowing:
36ThinkCentreM73UserGuide
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Removethecomputercover.See“Removingthecomputercover”onpage36.
3.Removethefrontbezelbyreleasingthethreeplastictabsonthetopofthefrontbezelandpivoting
thefrontbezeloutwardtoremoveitfromthecomputer.Carefullylaythefrontbezelasidewithout
disconnectingthepowerswitchandlight-emittingdiode(LED)assemblycable.
Figure10.Removingthefrontbezel
4.Toreinstallthefrontbezel,aligntheotherthreeplastictabsonthebottomofthefrontbezelwiththe
correspondingholesinthechassis,thenpivotthefrontbezelinwarduntilitsnapsintoposition.
Figure11.Reinstallingthefrontbezel
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage77.
Chapter5.Installingorreplacinghardware37
Accessingthesystemboardcomponentsanddrives
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
Thissectionprovidesinstructionsonhowtoaccessthesystemboardcomponentsanddrives.
Toaccessthesystemboardcomponentsanddrives,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Removethecomputercover.See“Removingthecomputercover”onpage36.
3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage36.
4.Pivotthedrivebayassemblyupwardtoaccessalltheinternaldrives,cables,andothercomponents.
Figure12.Pivotingthedrivebayassemblyupward
38ThinkCentreM73UserGuide
5.Tolowerthedrivebayassembly,slightlypressthedrivebayassemblyclip1inwardandpivotthedrive
bayassemblydownwardasshown.
Figure13.Loweringthedrivebayassembly
Installingorreplacingamemorymodule
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
Thissectionprovidesinstructionsonhowtoinstallorreplaceamemorymodule.
YourcomputerhastwoslotsforinstallingorreplacingDDR3DIMMsthatprovideuptoamaximumof16GB
systemmemory.Wheninstallingorreplacingamemorymodule,use2GB,4GB,or8GBDDR3DIMMs
inanycombinationuptoamaximumof16GB.
Toinstallorreplaceamemorymodule,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Removethecomputercover.See“Removingthecomputercover”onpage36.
3.Laythecomputeronitssideforeasieraccesstothesystemboard.
4.Removetheheatsinkfanduct.See“Replacingtheheatsinkandfanassembly”onpage54.
5.Locatethememoryslots.See“Locatingpartsonthesystemboard”onpage13.
6.Removeanypartsthatmightpreventaccesstothememoryslots.
7.Dependingonwhetheryouareinstallingorreplacingamemorymodule,dooneofthefollowing:
Chapter5.Installingorreplacinghardware39
•Ifyouarereplacinganoldmemorymodule,opentheretainingclipsandgentlypullthememory
moduleoutofthememoryslot.
Figure14.Removingamemorymodule
•Ifyouareinstallingamemorymodule,opentheretainingclipsofthememoryslotintowhichyou
wanttoinstallthememorymodule.
Figure15.Openingtheretainingclips
40ThinkCentreM73UserGuide
8.Positionthenewmemorymoduleoverthememoryslot.Makesurethatthenotch1onthememory
modulealignscorrectlywiththeslotkey2onthesystemboard.Pushthememorymodulestraight
downintotheslotuntiltheretainingclipsclose.
Figure16.Installingamemorymodule
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage77.
InstallingorreplacingaPCIExpresscard
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
ThissectionprovidesinstructionsonhowtoinstallorreplaceaPCIExpresscard.Yourcomputerhastwo
PCIExpressx1cardslotsandonePCIExpressx16graphicscardslot.
ToinstallorreplaceaPCIExpresscard,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Removethecomputercover.See“Removingthecomputercover”onpage36.
3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage36.
4.Pivotthedrivebayassemblyupward.See“Accessingthesystemboardcomponentsanddrives”
onpage38.
5.DependingonwhetheryouareinstallingorreplacingaPCIExpresscard,dooneofthefollowing:
•IfyouarereplacinganoldPCIExpresscard,removethescrewthatsecurestheoldPCIExpresscard
andreleasetheoldPCIExpresscardfromthePCIExpresscardslot.
Chapter5.Installingorreplacinghardware41
Figure17.RemovingaPCIExpresscard
Notes:
–Thecardfitstightlyintothecardslot.Ifnecessary,alternatemovingeachsideofthecardasmall
amountuntilitisremovedfromthecardslot.
–Ifthecardisheldinplacebyaretaininglatch,pressthecardretaininglatch1asshownto
disengagethelatch.Graspthecardandgentlypullitoutoftheslot.
•IfyouareinstallingaPCIExpresscard,removethescrewthatsecurestheappropriatemetalslot
cover.Then,removethemetalslotcover.
6.RemovethenewPCIExpresscardfromitsstatic-protectivepackage.
42ThinkCentreM73UserGuide
7.InstallthenewPCIExpresscardintotheappropriatePCIExpresscardslotonthesystemboard.Then,
installthescrewtosecurethenewPCIExpresscardinplace.
Figure18.InstallingaPCIExpresscard
8.Ifnecessary,connectanycablesbetweenthePCIExpresscardandthesystemboard.See“Locating
partsonthesystemboard”onpage13toidentifythevariousconnectorsonthesystemboard.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage77.
Replacingthebattery
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
Yourcomputerhasaspecialtypeofmemorythatmaintainsthedate,time,andsettingsforbuilt-infeatures,
suchasparallel-portassignments(configuration).Abatterykeepsthisinformationactivewhenyouturn
offthecomputer.
Thebatterynormallyrequiresnochargingormaintenancethroughoutitslife;however,nobatterylasts
forever.Ifthebatteryfails,thedate,time,andconfigurationinformation(includingpasswords)arelost.An
errormessageisdisplayedwhenyouturnonthecomputer.
Refertothe“Lithiumbatterynotice”intheSafety,Warranty,andSetupGuideforinformationaboutreplacing
anddisposingofthebattery.
Toreplacethebattery,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
Chapter5.Installingorreplacinghardware43
2.Removethecomputercover.See“Removingthecomputercover”onpage36.
3.Locatethebattery.See“Locatingpartsonthesystemboard”onpage13.
4.Removetheoldbattery.
Figure19.Removingtheoldbattery
5.Installanewbattery.
Figure20.Installinganewbattery
6.Reinstallthecomputercoverandconnectthecables.See“Completingthepartsreplacement”on
page77.
Note:Whenthecomputeristurnedonforthefirsttimeafterreplacingthebattery,anerrormessage
mightbedisplayed.Thisisnormalafterreplacingthebattery.
7.Turnonthecomputerandallattacheddevices.
8.UsetheSetupUtilityprogramtosetthedate,time,andanypasswords.SeeChapter7“UsingtheSetup
Utilityprogram”onpage89.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage77.
Replacingtheharddiskdrive
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
Thissectionprovidesinstructionsonhowtoreplacetheharddiskdrive.
Note:Thissectionalsoappliestocomputermodelswitha2.5-inchsolid-statedrive.
Toreplacetheharddiskdrive,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Removethecomputercover.See“Removingthecomputercover”onpage36.
44ThinkCentreM73UserGuide
3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage36.
4.Notethelocationofthefourscrews1thatsecuretheharddiskdrive.Then,pivotthedrivebay
assemblyupward.
Figure21.Pivotingthedrivebayassembly
5.Holdtheharddiskdriveandremovethefourscrewsthatsecuretheharddiskdrive.Then,remove
theharddiskdrivefromthedrivebayassembly.
Figure22.Removingtheharddiskdrive
6.Disconnectthesignalcableandthepowercablefromtheharddiskdrivetocompletelyremovethehard
diskdrivefromthechassis.
Chapter5.Installingorreplacinghardware45
7.Connectoneendofthesignalcabletotherearofthenewharddiskdriveandtheotherendtoan
availableSATAconnectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage13.
Then,locateanavailablefour-wirepowerconnectorandconnectittotherearofthenewharddiskdrive.
Figure23.ConnectingaSATAharddiskdrive
8.Positionthenewharddiskdriveintotheharddiskdrivebayandalignthescrewholesinthenewhard
diskdrivewiththecorrespondingholesinthedrivebay.Then,installthefourscrewstosecurethe
newharddiskdriveinplace.
Figure24.Installingtheharddiskdrive
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage77.
Replacingthesolid-statedrive
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
46ThinkCentreM73UserGuide
Thissectionprovidesinstructionsonhowtoreplacethesolid-statedrive.
Thesolid-statedriveisonlyavailableinsomemodels.Itmightbeinstalledintheharddiskdrivebayor
onthebottomoftheopticaldrivebay.
•Toreplacethesolid-statedriveintheharddiskdrivebay,see“Replacingthesolid-statedriveinthehard
diskdrivebay”onpage47.
•Toreplacethesolid-statedriveonthebottomoftheopticaldrivebay,see“Replacingthesolid-statedrive
onthebottomoftheopticaldrivebay”onpage48.
Replacingthesolid-statedriveintheharddiskdrivebay
Toreplacethestorageconverterwiththesolid-statedriveinstalledinit,youmightfollowthestepsof
replacingtheharddiskdrive.See“Replacingtheharddiskdrive”onpage44.
Toreplacethesolid-statedriveinthestorageconverter,dothefollowing:
1.Removethefourscrewsthatsecurethesolid-statedrivetothestorageconverter.Then,removethe
drivefromtheconverterasshown.
Figure25.Removingthesolid-statedrivefromthestorageconverter
2.Takethenewsolid-statedriveoutofthestatic-protectivepackage.
Chapter5.Installingorreplacinghardware47
3.Positionthesolid-statedriveintothestorageconvertersothattheholesinthedrivearealignedwith
thecorrespondingholesintheconverter.Then,installthefourscrewstosecurethesolid-statedrive
totheconverter.
Figure26.Installingthesolid-statedriveintothestorageconverter
Replacingthesolid-statedriveonthebottomoftheopticaldrivebay
Toreplacethesolid-statedriveonthebottomoftheopticaldrivebay,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Removethecomputercover.See“Removingthecomputercover”onpage36.
3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage36.
4.Pivotthedrivebayassemblyupward.See“Accessingthesystemboardcomponentsanddrives”
onpage38.
5.Disconnectthesignalcableandthepowercablefromthesolid-statedrive.
48ThinkCentreM73UserGuide
6.Removethescrew1andthencarefullyslidethesolid-statedrivebracketupwardtoremovethebracket
fromthebottomoftheopticaldrivebay.
Figure27.Removingthesolid-statedrivebracket
7.Removethefourscrewsthatsecurethesolid-statedrivetothebracket.Then,slidethedriveasshown
toremoveitfromthebracket.
Figure28.Removingthesolid-statedrivefromthebracket
8.Takethenewsolid-statedriveoutofthestatic-protectivepackage.
Chapter5.Installingorreplacinghardware49
9.Slidethenewsolid-statedriveintothesolid-statedrivebracketasshownuntilthefourholesinthe
drivearealignedwiththecorrespondingholesinthebracket.Then,installthefourscrewstosecurethe
newsolid-statedrivetothebracket.
Figure29.Installingthesolid-statedriveintothebracket
10.Carefullyslidethesolid-statedrivebracketdownwarduntilitissecuredbythethreeretainingclips1on
thebottomoftheopticaldrivebay.
Figure30.Installingthesolid-statedrivebracket
50ThinkCentreM73UserGuide
11.Installthescrew1tosecurethebracketonthebottomoftheopticaldrivebay.
Figure31.Installingthescrewtosecurethebracketonthebottomoftheopticaldrivebay
12.Connectoneendofthesignalcabletothebottomofthenewsolid-statedriveandtheotherendto
anavailableSATAconnectoronthesystemboard.See“Locatingpartsonthesystemboard”on
page13.Then,locateanavailablefour-wirepowerconnectorandconnectittothebottomofthe
newsolid-statedrive.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage77.
Installingorreplacingtheopticaldrive
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
Thissectionprovidesinstructionsonhowtoinstallorreplacetheopticaldrive.
Note:Theopticaldriveisonlyavailableinsomemodels.
Toreplacetheopticaldrive,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Removethecomputercover.See“Removingthecomputercover”onpage36.
3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage36.
4.Pivotthedrivebayassemblyupward.See“Accessingthesystemboardcomponentsanddrives”
onpage38.
5.Disconnectthesignalcableandthepowercablefromtheopticaldrive.
Chapter5.Installingorreplacinghardware51
6.Holdtheopticaldriveandremovethetwoscrewsthatsecuretheopticaldrive.
Figure32.Removingtheopticaldrivescrews
7.Slightlypressthedrivebayassemblyclip1inwardandpivotthedrivebayassemblydownwardas
shown.
Figure33.Loweringthedrivebayassembly
52ThinkCentreM73UserGuide
10.Holdthenewopticaldriveandpivotthedrivebayassemblyupward.Alignthescrewholesinthenew
opticaldrivewiththecorrespondingholesinthedrivebay.Then,installthetwoscrewstosecure
thenewopticaldriveinplace.
Figure36.Installingtheopticaldrive
11.Connectoneendofthesignalcabletotherearofthenewopticaldriveandtheotherendtoanavailable
SATAconnectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage13.Then,
locateanavailablefour-wirepowerconnectorandconnectittotherearofthenewopticaldrive.
Figure37.ConnectingaSATAopticaldrive
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage77.
Replacingtheheatsinkandfanassembly
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
Thissectionprovidesinstructionsonhowtoreplacetheheatsinkandfanassembly.
54ThinkCentreM73UserGuide
CAUTION:
Theheatsinkandfanassemblymightbeveryhot.Beforeyouopenthecomputercover,turnoffthe
computerandwaitseveralminutesuntilthecomputeriscool.
Toreplacetheheatsinkandfanassembly,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Removethecomputercover.See“Removingthecomputercover”onpage36.
3.Pivotthedrivebayassemblyupward.Then,pivotthetwoplasticretainingclipsoutwardtoremove
theheatsinkfanductfromthefailingheatsinkandfanassembly.
Figure38.Removingtheheatsinkfanduct
4.Disconnecttheheatsinkandfanassemblycablefromthemicroprocessorfanconnectoronthesystem
board.See“Locatingpartsonthesystemboard”onpage13.
Chapter5.Installingorreplacinghardware55
5.Followthefollowingsequencetoremovethefourscrewsthatsecuretheheatsinkandfanassembly
tothesystemboard:
a.Partiallyremovescrew1,thenfullyremovescrew2,andthenfullyremovescrew1.
b.Partiallyremovescrew3,thenfullyremovescrew4,andthenfullyremovescrew3.
Note:Carefullyremovethefourscrewsfromthesystemboardtoavoidanypossibledamagetothe
systemboard.Thefourscrewscannotberemovedfromtheheatsinkandfanassembly.
Figure39.Removingtheheatsinkandfanassembly
6.Lifttheheatsinkandfanassemblyoffthesystemboard.
Notes:
•Youmighthavetogentlytwisttheheatsinkandfanassemblytofreeitfromthemicroprocessor.
•Whenhandlingtheheatsinkandfanassembly,donottouchthethermalgreaseonthebottom
oftheheatsinkandfanassembly.
7.Placethenewheatsinkandfanassemblyonthesystemboardsothatthefourscrewsarealigned
withthecorrespondingholesinthesystemboard.Makesurethatyouproperlyplacethenewheat
sinkandfanassemblysothatyoucaneasilyconnectthenewheatsinkandfanassemblycabletothe
microprocessorfanconnectoronthesystemboard.
8.Followthefollowingsequencetoinstallthefourscrewstosecurethenewheatsinkandfanassembly.
Donotover-tightenthescrews.
a.Partiallytightenscrew1,thenfullytightenscrew2,andthenfullytightenscrew1.
b.Partiallytightenscrew3,thenfullytightenscrew4,andthenfullytightenscrew3.
9.Connectthenewheatsinkandfanassemblycabletothemicroprocessorfanconnectoronthesystem
board.See“Locatingpartsonthesystemboard”onpage13.
56ThinkCentreM73UserGuide
10.Lowerandpositiontheheatsinkfanductonthetopoftheheatsinkandfanassemblyuntilitsnaps
intoposition.
Figure40.Installingtheheatsinkfanduct
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletethereplacement,goto“Completingthepartsreplacement”onpage77.
Replacingthepowersupplyassembly
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
Thissectionprovidesinstructionsonhowtoreplacethepowersupplyassembly.
Althoughtherearenomovingpartsinyourcomputerafterthepowercordhasbeendisconnected,the
followingwarningsarerequiredforyoursafetyandproperUnderwritersLaboratories(UL)certification.
CAUTION:
Hazardousmovingparts.Keepfingersandotherbodypartsaway.
Chapter5.Installingorreplacinghardware57
CAUTION:
Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.
Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabel
attached.Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwith
oneoftheseparts,contactaservicetechnician.
Toreplacethepowersupplyassembly,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Removethecomputercover.See“Removingthecomputercover”onpage36.
3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage36.
4.Pivotthedrivebayassemblyupward.Then,pivotthetwoplasticretainingclipsoutwardtoremove
theheatsinkfanductfromthefailingheatsinkandfanassembly.
Figure41.Removingtheheatsinkfanduct
5.Disconnectthepowersupplyassemblycablesfromalldrivesandfromthe24-pinpowerconnectorand
4-pinpowerconnectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage13.
Note:Youmightalsoneedtoreleasethepowersupplyassemblycablesfromsomecableclipsorties
thatsecurethecablestothechassis.Makesurethatyounotethecableroutingbeforedisconnecting
thecables.
58ThinkCentreM73UserGuide
6.Attherearofthecomputer,removethethreescrewsthatsecurethepowersupplyassembly.Pressthe
powersupplyclip1downwardtoreleasethepowersupplyassemblyandthenslidethepowersupply
assemblytothefrontofthecomputer.Liftthepowersupplyassemblyoutofthecomputer.
Figure42.Removingthepowersupplyassembly
7.Makesurethatthenewpowersupplyassemblyisthecorrectreplacement.
Chapter5.Installingorreplacinghardware59
8.Installthenewpowersupplyassemblyintothechassissothatthescrewholesinthenewpowersupply
assemblyarealignedwiththecorrespondingholesintherearofthechassis.Then,installthethree
screwstosecurethenewpowersupplyassemblyinplace.
Note:UseonlyscrewsprovidedbyLenovo.
Figure43.Installingthepowersupplyassembly
9.Connectthenewpowersupplyassemblycablestoalldrivesandthesystemboard.See“Locating
partsonthesystemboard”onpage13.
60ThinkCentreM73UserGuide
10.Lowerandpositiontheheatsinkfanductonthetopoftheheatsinkandfanassemblyuntilthetwo
screwholesintheheatsinkfanductarealignedwiththoseintheheatsinkandfanassembly.Install
thetwoscrewstosecuretheheatsinkfanduct.
Figure44.Installingtheheatsinkfanduct
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletethereplacement,goto“Completingthepartsreplacement”onpage77.
Replacingthemicroprocessor
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
Thissectionprovidesinstructionsonhowtoreplacethemicroprocessor.
CAUTION:
Theheatsinkandmicroprocessormightbeveryhot.Beforeyouopenthecomputercover,turnoff
thecomputerandwaitseveralminutesuntilthecomputeriscool.
Toreplacethemicroprocessor,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Removethecomputercover.See“Removingthecomputercover”onpage36.
3.Locatethesystemboardanddisconnectallcablesconnectedtothesystemboard.See“Locating
partsonthesystemboard”onpage13.
4.Removetheheatsinkandfanassembly.See“Replacingtheheatsinkandfanassembly”onpage54.
Chapter5.Installingorreplacinghardware61
Note:Donotletthethermalgreaseonthebottomoftheheatsinkandfanassemblygetincontact
withanything.
5.Liftthesmallhandle1andopentheretainer2toaccessthemicroprocessor3.
Figure45.Accessingthemicroprocessor
6.Liftthemicroprocessorstraightupandoutofthemicroprocessorsocket.
Notes:
•Yourmicroprocessorandsocketmightlookdifferentfromtheoneillustrated.
•Touchonlytheedgesofthemicroprocessor.Donottouchthegoldcontactsonthebottom.
•Donotdropanythingontothemicroprocessorsocketwhileitisexposed.Thesocketpinsmustbe
keptascleanaspossible.
Figure46.Removingthemicroprocessor
7.Ensurethatthesmallhandleisintheraisedpositionandthemicroprocessorretainerisfullyopen.
8.Removetheprotectivecoverthatprotectsthegoldcontactsofthenewmicroprocessor.
62ThinkCentreM73UserGuide
9.Notetheorientationofthenewmicroprocessor.Holdthenewmicroprocessorbyitsedgesandalign
thenotches1onitwiththetabs2inthemicroprocessorsocket.Then,carefullylowerthenew
microprocessorstraightdownintothemicroprocessorsocket.
Note:Thesmalltriangle3ononecornerofthenewmicroprocessoristhemicroprocessororientation
indicator.Thenewmicroprocessorisinthecorrectorientationwhenthisindicatorpointstothebeveled
corner4ofthemicroprocessorsocket.
Figure47.Installingthemicroprocessor
10.Closethemicroprocessorretainerandlockitintopositionwiththesmallhandletosecurethenew
microprocessorinthesocket.
11.Reinstalltheheatsinkandfanassemblyandthefanduct.See“Replacingtheheatsinkandfan
assembly”onpage54.
12.Reconnectallcablesthatweredisconnectedfromthesystemboard.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletethereplacement,goto“Completingthepartsreplacement”onpage77.
ReplacingthefrontaudioandUSBassembly
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
ThissectionprovidesinstructionsonhowtoreplacethefrontaudioandUSBassembly.
ToreplacethefrontaudioandUSBassembly,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Removethecomputercover.See“Removingthecomputercover”onpage36.
Chapter5.Installingorreplacinghardware63
3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage36.
4.PivotthedrivebayassemblyupwardanddisconnectthefrontaudioandUSBassemblycablesfromthe
systemboardandnotethecablesrouting.See“Locatingpartsonthesystemboard”onpage13.
5.Lowerthedrivebayassembly.See“Accessingthesystemboardcomponentsanddrives”onpage38.
6.RemovethescrewthatsecuresthefrontaudioandUSBassemblybracket.Thenremovethefront
audioandUSBassemblybracketfromthechassis.
Figure48.RemovingthefrontaudioandUSBassembly
7.RemovethetwoscrewsthatsecurethefrontaudioandUSBassemblytoitsbracket.Thenremovethe
failingfrontaudioandUSBassemblyfromthebracket.
8.InstallanewfrontaudioandUSBassemblyintothebracketandinstallthetwoscrewstosecurethe
frontaudioandUSBassemblytothebracket.
9.InstallthefrontaudioandUSBassemblybrackettothechassisandalignthescrewholeinthebracket
withthecorrespondingholeinthechassis.
10.InstallthescrewtosecurethefrontaudioandUSBassemblybrackettothechassis.
11.PivotthedrivebayassemblyupwardandreconnectthefrontUSBandfrontaudiocablestothesystem
board.See“Locatingpartsonthesystemboard”onpage13.
12.Lowerthedrivebayassembly.See“Accessingthesystemboardcomponentsanddrives”onpage38.
13.Reinstallthefrontbezel.See“Removingandreinstallingthefrontbezel”onpage36.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage77.
Replacingthesystemfanassembly
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
Thissectionprovidesinstructionsonhowtoreplacethesystemfanassembly.
64ThinkCentreM73UserGuide
Toreplacethesystemfanassembly,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Removethecomputercover.See“Removingthecomputercover”onpage36.
3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage36.
4.Pivotthedrivebayassemblyupwardtogainaccesstothesystemfanassembly.See“Accessingthe
systemboardcomponentsanddrives”onpage38.
5.Removetheharddiskdriveforeasieraccesstothesystemfanassembly.See“Replacingthehard
diskdrive”onpage44.
6.Removetheheatsinkfanduct.See“Replacingtheheatsinkandfanassembly”onpage54.
7.Notethecableroutinganddisconnectthesystemfanassemblycablefromthesystemfanconnectoron
thesystemboard.See“Locatingpartsonthesystemboard”onpage13.
8.Thesystemfanassemblyisattachedtothechassisbyfourrubbermounts.Removethesystemfan
assemblybycuttingtherubbermountsandliftingthesystemfanassemblyoutofthechassis.
Note:Thenewsystemfanassemblywillhavefournewrubbermountsattached.
Figure49.Removingthesystemfanassembly
Chapter5.Installingorreplacinghardware65
9.Installthenewsystemfanassemblybyaligningthenewrubbermountsthatcamewiththenewsystem
fanassemblywiththecorrespondingholesinthechassis,andthenpushtherubbermountsthroughthe
holes.Then,carefullypullonthetipsoftherubbermountsfromthebottomuntilthenewsystemfan
assemblyissecuredinplace.
Figure50.Installingthesystemfanassembly
10.Connectthenewsystemfanassemblycabletothesystemfanconnectoronthesystemboard.See
“Locatingpartsonthesystemboard”onpage13.
11.Reinstalltheheatsinkfanduct.See“Replacingtheheatsinkandfanassembly”onpage54.
12.Reinstalltheharddiskdrive.See“Replacingtheharddiskdrive”onpage44.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletethereplacement,goto“Completingthepartsreplacement”onpage77.
ReplacingtheWiFiunits
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
ThissectionprovidesinstructionsonhowtoreplacetheWiFiunits.TheWiFiunitsincludeaWiFiadapter
card,aWiFicardmodule,andarearWiFiantennacable.
ReplacingtheWiFiunitsinvolvesthefollowingoperations:
•“RemovingtheWiFiadaptercard”onpage67
•“RemovingtheWiFicardmodule”onpage68
66ThinkCentreM73UserGuide
•“InstallingtheWiFiunits”onpage69
RemovingtheWiFiadaptercard
ToremovetheWiFiadaptercard,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Removethecomputercover.See“Removingthecomputercover”onpage36.
3.IfyourcomputercomeswithaWiFicardmodulethatsupportstheBluetoothfunction,disconnect
theBluetoothcablefromtheWiFiadaptercard.
Figure51.DisconnectingtheBluetoothcable
Note:TheBluetoothcableconnectstheBluetoothconnectorontheWiFiadaptercardtothefrontUSB
connectoronthesystemboardtosupporttheBluetoothfunction.
4.RemovethescrewthatsecurestheWiFiadaptercard.
Chapter5.Installingorreplacinghardware67
5.GrasptheWiFiadaptercardthatiscurrentlyinstalledandgentlypullitoutoftheslot.
Figure52.RemovingtheWiFiadaptercard
Note:Thecardfitstightlyintothecardslot.Ifnecessary,alternatemovingeachsideofthecarda
smallamountuntilitisremovedfromthecardslot.
RemovingtheWiFicardmodule
ToremovetheWiFicardmodule,dothefollowing:
1.RemovetheWiFiadaptercardfromthecomputer,andthendisconnectthefrontandrearWiFiantenna
cablesfromtheWiFicardmodule.
Figure53.RemovingtheWiFiantennacables
68ThinkCentreM73UserGuide
2.RemovethetwoscrewsthatsecuretheWiFicardmoduletotheWiFiadaptercard.
Figure54.RemovingthescrewsthatsecuretheWiFicardmodule
3.PulltheWiFicardmoduleoutoftheminiPCIExpressslottoremoveitfromtheWiFiadaptercard.
Figure55.RemovingtheWiFicardmodule
InstallingtheWiFiunits
ToinstalltheWiFiunits,dothefollowing:
Chapter5.Installingorreplacinghardware69
1.InserttheWiFicardmoduleintotheminiPCIExpressslot,andtheninstallthetwoscrewstosecure
theWiFicardmoduletotheWiFiadaptercard.
Figure56.InstallingtheWiFicardmodule
2.ConnectthefrontantennacableandrearantennacabletotheWiFicardmodule.
Figure57.ConnectingtheWiFiantennacables
70ThinkCentreM73UserGuide
3.LocatethetwoPCIExpressx1slotsonthesystemboard.See“Locatingpartsonthesystemboard”
onpage13.
4.IftheinstalledWiFicardmodulesupportstheBluetoothfunction,useaBluetoothcabletoconnectthe
BluetoothconnectorontheWiFiadaptercardtothefrontUSBconnectoronthesystemboard.
5.InstalltheWiFiadaptercardintooneofthetwoPCIExpressx1slots.Theninstallthescrewtosecure
theWiFiadaptercardinplace.
Figure58.InstallingtheWiFiadaptercard
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage77.
InstallingorremovingtherearWiFiantenna
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
ThissectionprovidesinstructionsonhowtoinstallorremovetherearWiFiantenna.
InstallingtherearWiFiantenna
ToinstalltherearWiFiantenna,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.InstalltherearWiFiantennatotherearWiFiantennacableconnectorattachedontherearofthe
computer.
Chapter5.Installingorreplacinghardware71
3.Adjusttheangleoftherearantennatolowertheriskofbreakingtheantennabyaccident.
Figure59.InstallingtherearWiFiantenna
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage77.
RemovingtherearWiFiantenna
ToremovetherearWiFiantenna,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.StraightentherearWiFiantennasothatitcanbemoreeasilytwisted.
3.HoldthethickerendoftherearWiFiantennaandunscrewtheWiFiantennafromtherearofthe
computer.
Figure60.RemovingtherearWiFiantenna
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
72ThinkCentreM73UserGuide
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage77.
InstallingorremovingthefrontWiFiantenna
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
ThissectionprovidesinstructionsonhowtoinstallorremovethefrontWiFiantenna.
InstallingthefrontWiFiantenna
ToinstallthefrontWiFiantenna,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Removethecomputercover.See“Removingthecomputercover”onpage36.
3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage36.
4.Peeloffthepaperthatprotectsthestickersonthefrontantenna.
Figure61.Peelingoffthepaperthatprotectsthestickers
Chapter5.Installingorreplacinghardware73
5.Stickthefrontantennatothefrontpanelasshown.Theninsertthefrontantennacablethroughthe
holeinthefrontpanel.
Figure62.InstallingthefrontWiFiantenna
6.ConnectthefrontantennacabletotheWiFicardmodule.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage77.
RemovingthefrontWiFiantenna
ToremovethefrontWiFiantenna,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Removethecomputercover.See“Removingthecomputercover”onpage36.
3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage36.
4.DisconnectthefrontantennacablefromtheWiFicardmodule.
74ThinkCentreM73UserGuide
5.Removethefrontantennaandcablefromthefrontofthecomputer.
Figure63.RemovingthefrontWiFiantenna
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage77.
Replacingthekeyboard
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
Thissectionprovidesinstructionsonhowtoreplacethekeyboard.
Toreplacethekeyboard,dothefollowing:
1.Removeallmediafromthedrives.Then,turnoffallattacheddevicesandthecomputer.
2.Disconnectallpowercordsfromelectricaloutlets.
3.Disconnecttheoldkeyboardcablefromthecomputer.
4.Connectanewkeyboardtotheappropriateconnectoronthecomputer.Yourkeyboardmightbe
connectedtoaPS/2keyboardconnector1oraUSBconnector2.Dependingonwhereyouwant
toconnectyourkeyboard,see“Locatingconnectors,controls,andindicatorsonthefrontofyour
computer”onpage9or“Locatingconnectorsontherearofyourcomputer”onpage10.
Chapter5.Installingorreplacinghardware75
Figure64.Keyboardconnectors
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletethereplacement,goto“Completingthepartsreplacement”onpage77.
Replacingthemouse
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
Thissectionprovidesinstructionsonhowtoreplacethemouse.
Toreplacethemouse,dothefollowing:
1.Removeallmediafromthedrives.Then,turnoffallattacheddevicesandthecomputer.
2.Disconnectallpowercordsfromelectricaloutlets.
3.Disconnecttheoldmousecablefromthecomputer.
4.Connectanewmousetotheappropriateconnectoronthecomputer.Yourmousemightbeconnected
toaPS/2mouseconnector1oraUSBconnector2.Dependingonwhereyouwanttoconnectyour
mouse,see“Locatingconnectors,controls,andindicatorsonthefrontofyourcomputer”onpage9or
“Locatingconnectorsontherearofyourcomputer”onpage10.
Figure65.Mouseconnectors
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletethereplacement,goto“Completingthepartsreplacement”onpage77.
76ThinkCentreM73UserGuide
Completingthepartsreplacement
Aftercompletingtheinstallationorreplacementforallparts,youneedtoclosethecomputercoverand
reconnectcables.Dependingonthepartsyouinstalledorreplaced,youmightneedtoconfirmtheupdated
informationintheSetupUtilityprogram.RefertoChapter7“UsingtheSetupUtilityprogram”onpage89.
Toreinstallthecomputercoverandreconnectcablestoyourcomputer,dothefollowing:
1.Makesurethatallcomponentshavebeenreassembledcorrectlyandthatnotoolsorloosescrews
areleftinsideyourcomputer.See“Locatingcomponents”onpage12forthelocationsofvarious
componentsinyourcomputer.
2.Makesurethatthecablesareroutedcorrectly.Keepcablesclearofthehingesandsidesofthe
computerchassistoavoidinterferencewithclosingthecomputercover.
3.Lowerthedrivebayassembly.See“Accessingthesystemboardcomponentsanddrives”onpage38.
4.Ifyouhaveremovedthefrontbezel,reinstallit.Toreinstallthefrontbezel,alignthethreetabson
thefrontbezelwiththecorrespondingholesinthechassisandpivotthefrontbezelinwardsuntil
itsnapsintoposition.
5.Positionthecomputercoveronthechassissothattherailguidesonthecomputercoverengagethe
railsonthechassis.Then,slidethecomputercovertothefrontofthecomputeruntilitsnapsinto
positionandisclosed.Then,installthetwoscrewstosecurethecomputercover.
Figure66.Reinstallingthecomputercover
6.Ifthereisapadlockavailable,lockthecomputercover.See“Lockingthecomputercover”onpage32.
7.Ifthereisanintegratedcablelockavailable,lockthecomputer.See“AttachingaKensington-style
cablelock”onpage33.
8.Reconnecttheexternalcablesandpowercordstothecomputer.See“Locatingconnectorsonthe
rearofyourcomputer”onpage10.
9.Toupdateyourconfiguration,seeChapter7“UsingtheSetupUtilityprogram”onpage89.
Note:Inmostareasoftheworld,LenovorequiresthereturnofthedefectiveCustomerReplaceableUnit
(CRU).InformationaboutthiswillcomewiththeCRUorwillcomeafewdaysaftertheCRUarrives.
Chapter5.Installingorreplacinghardware77
Chapter6.Recoveryinformation
ThischapterprovidesinformationabouttherecoverysolutionsprovidedbyLenovo.
•“RecoveryinformationfortheWindows7operatingsystem”onpage79
•“RecoveryinformationfortheWindows8orWindows8.1operatingsystem”onpage85
•“RecoveryinformationfortheWindows10operatingsystem”onpage86
RecoveryinformationfortheWindows7operatingsystem
Thissectioncontainsthefollowingtopics:
•Creatingandusingrecoverymedia
•Performingbackupandrecoveryoperations
•UsingtheRescueandRecoveryworkspace
•Creatingandusingarescuemedium
•Installingorreinstallingdevicedrivers
•Solvingrecoveryproblems
Notes:
1.TherecoveryinformationinthischapteronlyappliestothecomputersthathavetheRescueand
RecoveryprogramortheProductRecoveryprograminstalled.IftheEnhancedBackupandRestore
iconintheLenovoThinkVantageToolsprogramisdimmed,itindicatesthatyouneedtoinstall
theRescueandRecoveryprogrammanuallybeforeenablingitsfeatures.ToinstalltheRescueand
Recoveryprogram,dothefollowing:
a.ClickStart➙AllPrograms➙LenovoThinkVantageTools,anddouble-clickEnhancedBackup
andRestore.
b.Followtheinstructionsonthescreen.
c.Whentheinstallationprocesscompletes,theEnhancedBackupandRestoreiconisactivated.
2.Thereareavarietyofmethodstochoosefromwhenconsideringhowtorecoverintheeventofa
software-orhardware-relatedproblem.Somemethodsvarydependingonthetypeofoperatingsystem
thatisinstalled.
3.Theproductontherecoverymediamaybeusedonlyforthefollowingpurposes:
•Restoretheproductpreinstalledonyourcomputer
•Reinstalltheproduct
•ModifytheproductusingtheAdditionalFiles
Creatingandusingrecoverymedia
Youcanuserecoverymediatorestoretheharddiskdrivetothefactorydefaultstate.Recoverymediaare
usefulifyoutransferthecomputertoanotherarea,sellthecomputer,recyclethecomputer,orputthe
computerinanoperationalstateafterallothermethodsofrecoveryhavefailed.Asaprecautionarymeasure,
itisimportanttocreaterecoverymediaasearlyaspossible.
Note:Therecoveryoperationsyoucanperformusingrecoverymediavarydependingontheoperating
systemfromwhichtherecoverymediawerecreated.Therecoverymediamightcontainabootmedium
andadatamedium.YourMicrosoftWindowslicensepermitsyoutocreateonlyonedatamedium,soitis
importantthatyoustoretherecoverymediainasafeplaceafteryouhavemadethem.
©CopyrightLenovo2013,201679
Creatingrecoverymedia
Thissectionprovidesinstructionsonhowtocreaterecoverymediaondifferentoperatingsystems.
Note:OntheWindows7operatingsystem,youcancreaterecoverymediausingdiscsorexternalUSB
storagedevices.
TocreaterecoverymediaontheWindows7operatingsystem,clickStart➙AllPrograms➙Lenovo
ThinkVantageTools➙FactoryRecoveryDisks.Then,followtheinstructionsonthescreen.
Usingrecoverymedia
Thissectionprovidesinstructionsonhowtouserecoverymedia.
OntheWindows7operatingsystem,youcanuserecoverymediatorestorethecontentsoftheharddisk
drivetothefactorydefaultstate.Also,youcanuserecoverymediatoputthecomputerinanoperational
stateafterallothermethodsofharddiskdriverecoveryhavefailed.
Attention:Whenyouuserecoverymediatorestorethecontentsoftheharddisktothefactorydefaultstate,
allthefilescurrentlyontheharddiskdrivewillbedeletedandreplacedbythefactorydefaultfiles.
TouserecoverymediaontheWindows7operatingsystem,dothefollowing:
1.Dependingonthetypeofyourrecoverymedia,connectthebootmedium(memorykeyorotherUSB
storagedevice)tothecomputer,orinsertthebootdiscintotheopticaldrive.
2.RepeatedlypressandreleasetheF12keywhenturningonthecomputer.WhenthePleaseselect
bootdevicewindowopens,releasetheF12key.
3.SelectthedesiredstartupdeviceandpressEnter.Therestoreprocessbegins.
4.Followtheinstructionsonthescreentocompletetheoperation.
Note:Afterrestoringyourcomputerharddiskdrivetothefactorydefaultstate,youmighthavetoreinstall
devicedriversforsomedevices.See“Reinstallingdevicedrivers”onpage84.
Performingbackupandrecoveryoperations
TheRescueandRecoveryprogramenablesyoutobackupallyourharddiskdrivecontentsincludingthe
operatingsystem,datafiles,softwareprograms,andpersonalsettings.Youcandesignatewherethe
RescueandRecoveryprogramstoresthebackup:
•Inaprotectedareaofyourharddiskdrive
•Onthesecondaryharddiskdriveifasecondaryharddiskdriveisinstalledinyourcomputer
•OnanattachedexternalUSBharddiskdrive
•Onanetworkdrive
•Onrecordablediscs(arecordableopticaldriveisrequiredforthisoption)
Afteryouhavebackedupthecontentsoftheharddiskdrive,youcanrestorethecompletecontentsofthe
harddiskdrive,restoreselectedfilesonly,orrestoretheWindowsoperatingsystemandapplicationsonly
whilekeepingtheotherdataonyourharddiskdrive.
Performingabackupoperation
ThissectionprovidesinstructionsonhowtoperformabackupoperationusingtheRescueandRecovery
program.
ToperformabackupoperationusingtheRescueandRecoveryprogramontheWindows7operating
system,dothefollowing:
80ThinkCentreM73UserGuide
1.FromtheWindowsdesktop,clickStart➙AllPrograms➙LenovoThinkVantageTools➙Enhanced
BackupandRestore.TheRescueandRecoveryprogramopens.
2.IntheRescueandRecoverymainwindow,clicktheLaunchadvancedRescueandRecoveryarrow.
3.ClickBackupyourharddriveandselectbackupoperationoptions.Then,followtheinstructionson
thescreentocompletethebackupoperation.
Performingarecoveryoperation
ThissectionprovidesinstructionsonhowtoperformarecoveryoperationusingtheRescueandRecovery
program.
ToperformarecoveryoperationusingtheRescueandRecoveryprogramontheWindows7operating
system,dothefollowing:
1.FromtheWindowsdesktop,clickStart➙AllPrograms➙LenovoThinkVantageTools➙Enhanced
BackupandRestore.TheRescueandRecoveryprogramopens.
2.IntheRescueandRecoverymainwindow,clicktheLaunchadvancedRescueandRecoveryarrow.
3.ClicktheRestoreyoursystemfromabackupicon.
4.Followtheinstructionsonthescreentocompletetherecoveryoperation.
FormoreinformationaboutperformingarecoveryoperationfromtheRescueandRecoveryworkspace,see
“UsingtheRescueandRecoveryworkspace”onpage81.
UsingtheRescueandRecoveryworkspace
TheRescueandRecoveryworkspaceresidesinaprotected,hiddenareaofyourharddiskdrivethat
operatesindependentlyfromtheWindowsoperatingsystem.Thisenablesyoutoperformrecovery
operationsevenifyoucannotstarttheWindowsoperatingsystem.Youcanperformthefollowingrecovery
operationsfromtheRescueandRecoveryworkspace:
•Rescuefilesfromyourharddiskdriveorfromabackup:TheRescueandRecoveryworkspaceenables
youtolocatefilesonyourharddiskdriveandtransferthemtoanetworkdriveorotherrecordablemedia,
suchasaUSBdeviceoradisc.Thissolutionisavailableevenifyoudidnotbackupyourfilesorif
changesweremadetothefilessinceyourlastbackupoperation.Youcanalsorescueindividualfilesfrom
aRescueandRecoverybackuplocatedonyourlocalharddiskdrive,aUSBdevice,oranetworkdrive.
•RestoreyourharddiskdrivefromaRescueandRecoverybackup:Ifyouhavebackedupyourharddisk
driveusingtheRescueandRecoveryprogram,youcanrestoretheharddiskdrivefromaRescueand
Recoverybackup,evenifyoucannotstarttheWindowsoperatingsystem.
•Restoreyourharddiskdrivetothefactorydefaultstate:TheRescueandRecoveryworkspaceenables
youtorestorethecompletecontentsofyourharddiskdrivetothefactorydefaultstate.Ifyouhave
multiplepartitionsonyourharddiskdrive,youhavetheoptiontorestoretheC:partitionandleavethe
otherpartitionsintact.BecausetheRescueandRecoveryworkspaceoperatesindependentlyfrom
theWindowsoperatingsystem,youcanrestoretheharddiskdrivetothefactorydefaultstateevenif
youcannotstarttheWindowsoperatingsystem.
Attention:IfyourestoretheharddiskdrivefromaRescueandRecoverybackuporrestoretheharddisk
drivetothefactorydefaultsettings,allfilesontheprimaryharddiskdrivepartition(usuallydriveC:)willbe
deletedintherecoveryprocess.Ifpossible,makecopiesofimportantfiles.Ifyouareunabletostartthe
Windowsoperatingsystem,youcanusetherescuefilesfeatureoftheRescueandRecoveryworkspaceto
copyfilesfromyourharddiskdrivetoothermedia.
TostarttheRescueandRecoveryworkspace,dothefollowing:
1.Makesurethecomputeristurnedoff.
Chapter6.Recoveryinformation81
2.RepeatedlypressandreleasetheF11keywhenturningonthecomputer.Whenyouhearbeepsor
seealogoscreen,releasetheF11key.
3.IfyouhavesetaRescueandRecoverypassword,typeyourpasswordwhenprompted.TheRescue
andRecoveryworkspaceopensafterashortdelay.
Note:IftheRescueandRecoveryworkspacefailstoopen,see“Solvingrecoveryproblems”onpage84.
4.Dooneofthefollowing:
•Torescuefilesfromyourharddiskdriveorfromabackup,clickRescuefilesandfollowthe
instructionsonthescreen.
•TorestoreyourharddiskdrivefromaRescueandRecoverybackuportorestoreyourharddiskdrive
tothefactorydefaultsettings,clickRestoreyoursystemandfollowtheinstructionsonthescreen.
FormoreinformationaboutthefeaturesoftheRescueandRecoveryworkspace,clickHelp.
Note:Afterrestoringyourharddiskdrivetothefactorydefaultstate,youmighthavetoreinstalldevice
driversforsomedevices.See“Reinstallingdevicedrivers”onpage84.
Creatingandusingarescuemedium
Witharescuemedium,suchasadiscoraUSBharddiskdrive,youcanrecoverthecomputerfromfailures
thatpreventyoufromgainingaccesstotheRescueandRecoveryworkspaceonyourharddiskdrive.
Notes:
•Therecoveryoperationsyoucanperformusingarescuemediumvarydependingontheoperatingsystem.
•Therescuedisccanbestartedinalltypesofopticaldrives.
Creatingarescuemedium
Thissectionprovidesinstructionsonhowtocreatearescuemedium.
TocreatearescuemediumontheWindows7operatingsystem,dothefollowing:
1.FromtheWindowsdesktop,clickStart➙AllPrograms➙LenovoThinkVantageTools➙Enhanced
BackupandRestore.TheRescueandRecoveryprogramopens.
2.IntheRescueandRecoverymainwindow,clicktheLaunchadvancedRescueandRecoveryarrow.
3.ClicktheCreateRescueMediaicon.TheCreateRescueandRecoveryMediawindowopens.
4.IntheRescueMediaarea,selectthetypeoftherescuemediumyouwanttocreate.Youcancreatea
rescuemediumusingadisc,aUSBharddiskdrive,orasecondaryinternalharddiskdrive.
5.ClickOKandfollowtheinstructionsonthescreentocreatearescuemedium.
Usingarescuemedium
Thissectionprovidesinstructionsonhowtousetherescuemediumyouhavecreated.
•Ifyouhavecreatedarescuemediumusingadisc,usethefollowinginstructionstousetherescuemedium:
1.Turnoffyourcomputer.
2.RepeatedlypressandreleasetheF12keywhenturningonthecomputer.WhenthePleaseselect
bootdevicewindowopens,releasetheF12key.
3.InthePleaseselectbootdevicewindow,selectthedesiredopticaldriveasthefirstbootdevice.
Then,inserttherescuediscintotheopticaldriveandpressEnter.Therescuemediumstarts.
•IfyouhavecreatedarescuemediumusingaUSBharddiskdrive,usethefollowinginstructionsto
usetherescuemedium:
1.AttachtheUSBharddiskdrivetooneoftheUSBconnectorsonyourcomputer.
82ThinkCentreM73UserGuide
2.RepeatedlypressandreleasetheF12keywhenturningonthecomputer.WhenthePleaseselect
bootdevicewindowopens,releasetheF12key.
3.InthePleaseselectbootdevicewindow,selecttheUSBharddiskdriveasthefirstbootdeviceand
pressEnter.Therescuemediumstarts.
Whentherescuemediumstarts,theRescueandRecoveryworkspaceopens.Thehelpinformationfor
eachfeatureisavailablefromtheRescueandRecoveryworkspace.Followtheinstructionstocomplete
therecoveryprocess.
Reinstallingpreinstalledapplicationsanddevicedrivers
Yourcomputerhasprovisionsthatenableyoutoreinstallselectedfactory-installedapplicationsanddevice
drivers.
Reinstallingpreinstalledapplications
Thissectionprovidesinstructionsonhowtoreinstallpreinstalledapplications.
ToreinstalltheselectedapplicationspreinstalledonyourLenovocomputer,dothefollowing:
1.Turnonthecomputer.
2.UseWindowsExplorerorComputertodisplaythedirectorystructureofyourharddiskdrive.
3.GototheC:\SWTOOLSdirectory.
4.Opentheappsfolder.Withintheappsfolder,thereareseveralsubfoldersnamedforvariousapplications
installedinyourcomputer.
5.Opentheappropriateapplicationsubfolder.
6.Intheapplicationsubfolder,lookforaSETUP.EXEfileorotherappropriateEXEfilesforsetup.
Double-clickthefileandfollowtheinstructionsonthescreentocompletetheinstallation.
Reinstallingpreinstalleddevicedrivers
Thissectionprovidesinstructionsonhowtoreinstallpreinstalleddevicedrivers.
Attention:Whenyoureinstalldevicedrivers,youarechangingthecurrentconfigurationofyourcomputer.
Reinstalldevicedriversonlywhenitisnecessarytocorrectaproblemwithyourcomputer.
Toreinstallthedevicedriverforafactory-installeddevice,dothefollowing:
1.Turnonthecomputer.
2.UseWindowsExplorerorComputertodisplaythedirectorystructureofyourharddiskdrive.
3.GototheC:\SWTOOLSdirectory.
4.OpentheDRIVERSfolder.WithintheDRIVERSfolder,thereareseveralsubfoldersnamedforvarious
devicesinstalledinyourcomputer,suchasAUDIOorVIDEO.
5.Opentheappropriatedevicesubfolder.
6.Dooneofthefollowing:
•Inthedevicesubfolder,lookforaSETUP.exefile.Double-clickthefileandfollowtheinstructionson
thescreentocompletetheinstallation.
•Inthedevicesubfolder,lookforaREADME.txtfileorafilewiththe.txtextension.Thisfilemightbe
namedaftertheoperatingsystem,suchasWIN98.txt.TheTXTfilecontainsinformationabouthowto
installthedevicedriver.Followtheinstructionstocompletetheinstallation.
•Ifthedevicesubfoldercontainsafilewiththe.infextensionandyouwanttoinstallthedevicedriver
usingtheINFfile,refertoyourWindowshelpsystemfordetailedinformationabouthowtoinstall
thedevicedriver.
Chapter6.Recoveryinformation83
Note:Ifyouneedupdateddevicedrivers,see“Gettingthelatestdevicedriversforyourcomputer”on
page97formoreinformation.
Reinstallingsoftwareprograms
Ifasoftwareprogramyouinstalledonyourcomputerisnotworkingcorrectly,youmightneedtoremove
andreinstallit.Reinstallingoverwritestheexistingprogramsfilesandusuallyfixesanyproblemsthat
youmighthavehadwiththatprogram.
Toremoveaprograminyoursystem,seeMicrosoftWindowshelpsystemfordetailedinformation.
Toreinstalltheprogram,dooneofthefollowing:
Note:Themethodofreinstallingaprogramvariesfromprogramtoprogram.Refertothedocumentation
providedwiththeprogramtoseeifyourprogramhasspecialinstallationinstructions.
•Toreinstallmostcommerciallyavailableprogramsinyoursystem,seeMicrosoftWindowshelpsystem
formoreinformation.
•ToreinstallselectedapplicationprogramsthatcamepreinstalledfromLenovo,dothefollowing:
1.Turnonthecomputer.
2.UseWindowsExplorerorComputertodisplaythedirectorystructureofyourharddiskdrive.
3.GototheC:\SWTOOLSdirectory.
4.OpentheAPPSfolder.WithintheAPPSfolder,thereareseveralsubfoldersnamedforvarious
applicationsinstalledinyourcomputer.
5.Opentheappropriateapplicationsubfolder.
6.Intheapplicationsubfolder,lookforaSETUP .EXEfileorotherappropriateEXEfilesforsetup.
Double-clickthefileandfollowtheinstructionsonthescreentocompletetheinstallation.
Reinstallingdevicedrivers
Toreinstalladevicedriverforanoptionyouinstalled,refertothedocumentationthatcomeswiththeoption.
Whenyoureinstalldevicedrivers,youarechangingthecurrentconfigurationofyourcomputer.Reinstall
devicedriversonlywhenitisnecessarytocorrectaproblemwithyourcomputer.
Formoreinformationaboutreinstallingdevicedriversthatcamewithyourcomputer,see“Reinstalling
preinstalledapplicationsanddevicedrivers”onpage83.
Solvingrecoveryproblems
IfyouareunabletoaccesstheRescueandRecoveryworkspaceortheWindowsenvironment,doone
ofthefollowing:
•UsearescuemediumtostarttheRescueandRecoveryworkspace.See“Creatingandusingarescue
medium”onpage82.
•Userecoverymediaifallothermethodsofrecoveryhavefailedandyouneedtorestoretheharddisk
drivetothefactorydefaultsettings.See“Creatingandusingrecoverymedia”onpage79.
Note:IfyouareunabletoaccesstheRescueandRecoveryworkspaceortheWindowsenvironmentfrom
arescuemediumorrecoverymedia,youmightnothavetherescuedevice(aninternalharddiskdrive,a
disc,aUSBharddiskdrive,orotherexternaldevices)setasthefirstbootdeviceinthestartupdevice
sequence.Youmustfirstmakesurethatyourrescuedeviceissetasthefirstbootdeviceinthestartup
devicesequenceintheSetupUtilityprogram.See“Selectingastartupdevice”onpage91fordetailed
informationabouttemporarilyorpermanentlychangingthestartupdevicesequence.Formoreinformation
abouttheSetupUtilityprogram,seeChapter7“UsingtheSetupUtilityprogram”onpage89.
84ThinkCentreM73UserGuide
Itisimportanttocreatearescuemediumandasetofrecoverymediaasearlyaspossibleandstorethem
inasafeplaceforfutureuse.
RecoveryinformationfortheWindows8orWindows8.1operating
system
Thissectionprovidesinformationabouttherecoverysolutionsprovidedoncomputerspreinstalledwith
theWindows8orWindows8.1operatingsystem.
Refreshingyourcomputer
Ifyourcomputerdoesnotperformwellandtheproblemmightbecausedbyarecentlyinstalledprogram,
youcanrefreshyourcomputerwithoutlosingyourpersonalfilesorchangingyoursettings.
Attention:Ifyourefreshyourcomputer,theprogramsthatcamewithyourcomputerandtheprogramsthat
youinstalledfromWindowsStorewillbereinstalled,butallotherprogramswillberemoved.
Torefreshyourcomputer,dooneofthefollowing:
•ForWindows8:
1.Movethepointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.Click
Settings➙ChangePCsettings➙General.
2.IntheRefreshyourPCwithoutaffectingyourfilessection,clickGetstarted.
•ForWindows8.1:
1.Movethepointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.Click
Settings➙ChangePCsettings➙Updateandrecovery➙Recovery.
2.IntheRefreshyourPCwithoutaffectingyourfilessection,clickGetstarted.
Resettingyourcomputertothefactorydefaultsettings
Youcanresetyourcomputertothefactorydefaultsettings.Resettingthecomputerwillreinstallthe
operatingsystem,andreinstallalltheprogramsandsettingsthatcamewithyourcomputer.
Attention:Ifyouresetyourcomputer,allyourpersonalfilesandsettingswillbedeleted.Toavoiddataloss,
makeabackupcopyofallthedatathatyouwanttokeep.
Toresetyourcomputer,dooneofthefollowing:
•ForWindows8:
1.Movethepointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.Click
Settings➙ChangePCsettings➙General.
2.IntheRemoveeverythingandreinstallWindowssection,clickGetstarted.
•ForWindows8.1:
1.Movethepointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.Click
Settings➙ChangePCsettings➙Updateandrecovery➙Recovery.
2.IntheRemoveeverythingandreinstallWindowssection,clickGetstarted.
Usingtheadvancedstartupoptions
AdvancedstartupoptionsenableyoutochangethestartupsettingsofyourWindowsoperatingsystem,
startthecomputerfromanexternaldevice,orrestoretheWindowsoperatingsystemfromasystemimage.
Tousetheadvancedstartupoptions,dothefollowing:
Chapter6.Recoveryinformation85
•ForWindows8:
1.Movethepointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.Click
Settings➙ChangePCsettings➙General.
2.IntheAdvancedstartupsection,clickRestartnow➙Troubleshoot➙Advancedoptions.
3.Restartyourcomputerfollowingtheinstructionsonthescreen.
•ForWindows8.1:
1.Movethepointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.Click
Settings➙ChangePCsettings➙Updateandrecovery➙Recovery.
2.IntheAdvancedstartupsection,clickRestartnow➙Troubleshoot➙Advancedoptions.
3.Restartyourcomputerfollowingtheinstructionsonthescreen.
RecoveringyouroperatingsystemifWindows8orWindows8.1fails
tostart
TheWindowsrecoveryenvironmentonyourcomputeriscapableofoperatingindependentlyfromthe
Windows8orWindows8.1operatingsystem.Thisenablesyoutorecoverorrepairtheoperatingsystem
eveniftheWindows8orWindows8.1operatingsystemfailstostart.
Aftertwoconsecutivefailedbootattempts,theWindowsrecoveryenvironmentstartsautomatically.Then
youcanchooserepairandrecoveryoptionsbyfollowingtheinstructionsonthescreen.
Note:Ensurethatyourcomputerisconnectedtoacpowerduringtherecoveryprocess.
FormoredetailsabouttherecoverysolutionsprovidedoncomputerspreinstalledwiththeWindows8
orWindows8.1operatingsystem,refertothehelpinformationsystemoftheWindows8orWindows
8.1operatingsystem.
RecoveryinformationfortheWindows10operatingsystem
TorecoveryourWindows10operatingsystem,usethefollowingsolutions:
•UseWindowsrecoverysolutions.
–UserecoverysolutionsinWindowsSettings.
1.ClicktheStartbuttontoopentheStartmenu.
2.ClickSettings➙Update&security➙Recovery.
3.Choosetheappropriaterecoverysolutionbyfollowingtheinstructionsonthescreen.
–UseSystemRestoretorestoresystemfilesandsettingstoanearlierpoint.
1.Right-clicktheStartbuttontoopentheStartcontextmenu.
2.ClickControlPanel.ViewControlPanelusingLargeiconsorSmallicons,andthenclick
Recovery➙OpenSystemRestore.
3.Followtheinstructionsonthescreen.
–UsetheFileHistorytooltorestoreyourfilesfromabackup.
Note:IfyouusetheFileHistorytooltorestoreyourfilesfromabackup,ensurethatyoubackedup
yourdataearlierwiththetool.
1.Right-clicktheStartbuttontoopentheStartcontextmenu.
2.ClickControlPanel.ViewControlPanelusingLargeiconsorSmallicons,andthenclickFile
History➙Restorepersonalfiles.
3.Followtheinstructionsonthescreen.
86ThinkCentreM73UserGuide
–UsetheWindowsrecoveryenvironmentbydoingoneofthefollowing:
–Afterseveralconsecutivefailedbootattempts,theWindowsrecoveryenvironmentmightstart
automatically.Followtheinstructionsonthescreentochoosetheappropriaterecoverysolution.
–SelecttherecoverymediumyoucreatedearlierwiththeWindowstoolasthestartupdevice.See
“Selectingatemporarystartupdevice”onpage92.Then,followtheinstructionsonthescreen
tochoosetheappropriaterecoverysolution.
Note:Tocreatearecoverymedium,see“Goodmaintenancepractices”onpage99.
•UsetherecoveryUSBkeyprovidedbyLenovotorestoretheentirestoragedrivetothefactory-default
settings.
–IfyourcomputercomeswiththerecoveryUSBkey,followtheinstructionsshippedwiththeUSBkey.
–IfyourcomputerdoesnotcomewiththerecoveryUSBkey,contacttheLenovoCustomer
SupportCentertoorderarecoveryUSBkey.ForalistofLenovoSupportphonenumbers,goto
http://www.lenovo.com/support/phone.Ifyoucannotfindthesupporttelephonenumberforyour
countryorregion,contactyourLenovoreseller.
Chapter6.Recoveryinformation87
88ThinkCentreM73UserGuide
Chapter7.UsingtheSetupUtilityprogram
TheSetupUtilityprogramisusedtoviewandchangetheconfigurationsettingsofyourcomputer,regardless
ofwhichoperatingsystemyouareusing.However,theoperatingsystemsettingsmightoverrideanysimilar
settingsintheSetupUtilityprogram.
StartingtheSetupUtilityprogram
TostarttheSetupUtilityprogram,dothefollowing:
1.Makesureyourcomputeristurnedoff.
2.RepeatedlypressandreleasetheF1keywhenturningonthecomputer.Whenyouhearmultiple
beepsorseealogoscreen,releasetheF1key.
Note:IfaPower-OnPasswordoranAdministratorPasswordhasbeenset,theSetupUtilityprogram
menuwillnotbedisplayeduntilyoutypethecorrectpassword.Formoreinformation,see“Using
BIOSpasswords”onpage89.
WhenthePOSTdetectsthattheharddiskdrivehasbeenremovedfromyourcomputerorthememory
modulesizehasdecreased,anerrormessagewillbedisplayedwhenyoustartthecomputerandyouwillbe
promptedtodooneofthefollowing:
•PressF1toentertheSetupUtilityprogram.
Note:AfteryouentertheSetupUtilityprogram,pressF10tosavechangesandexittheSetupUtility
program.PressEnterwhenpromptedtoconfirmtheexit.Theerrormessagewillnotbedisplayedagain.
•PressF2tobypasstheerrormessageandlogintotheoperatingsystem.
Note:YouhavetoenabletheconfigurationchangedetectionfeatureforthePOSTtodetecttheremoval
oftheharddiskdriveandmemorymodulesizedecrease.Toenabletheconfigurationchangedetection
feature,dothefollowing:
1.StarttheSetupUtilityprogram.
2.FromtheSetupUtilityprogrammainmenu,selectSecurity➙ConfigurationChangeDetection,
andpressEnter.
3.SelectEnabledandpressEnter.
4.PressF10tosavechangesandexittheSetupUtilityprogram.PressEnterwhenpromptedtoconfirm
theexit.
Viewingandchangingsettings
TheSetupUtilityprogrammenulistsvariousitemsaboutthesystemconfiguration.Tovieworchange
settings,starttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage89.Then,follow
theinstructionsonthescreen.
YoucanuseeitherthekeyboardorthemousetonavigatethroughBIOSmenuchoices.Thekeysusedto
performvarioustasksaredisplayedatthebottomofeachscreen.
UsingBIOSpasswords
ByusingtheSetupUtilityprogram,youcansetpasswordstopreventunauthorizedaccesstoyourcomputer
anddata.
©CopyrightLenovo2013,201689
Youdonothavetosetanypasswordstouseyourcomputer.However,usingpasswordsimproves
computingsecurity.Ifyoudecidetosetanypasswords,readthefollowingsections.
Passwordconsiderations
Apasswordcanbeanycombinationofupto64alphabeticandnumericcharacters.Forsecurityreasons,it
isrecommendedtouseastrongpasswordthatcannotbeeasilycompromised.Tosetastrongpassword,
usethefollowingguidelines:
•Haveatleasteightcharactersinlength
•Containatleastonealphabeticcharacterandonenumericcharacter
•SetupUtilityprogramandharddiskpasswordsarenotcasesensitive
•Notbeyournameoryourusername
•Notbeacommonwordoracommonname
•Besignificantlydifferentfromyourpreviouspasswords
Power-OnPassword
WhenaPower-OnPasswordisset,youarepromptedtotypeavalidpasswordeachtimethecomputeris
turnedon.Thecomputercannotbeuseduntilthevalidpasswordistypedin.
AdministratorPassword
SettinganAdministratorPassworddetersunauthorizedusersfromchangingconfigurationsettings.Ifyou
areresponsibleformaintainingtheconfigurationsettingsofseveralcomputers,youmightwanttosetan
AdministratorPassword.
WhenanAdministratorPasswordisset,youarepromptedtotypeavalidpasswordeachtimeyoutryto
accesstheSetupUtilityprogram.TheSetupUtilityprogramcannotbeaccesseduntilavalidpassword
istypedin.
IfboththePower-OnPasswordandAdministratorPasswordareset,youcantypeeitherpassword.However,
youmustuseyourAdministratorPasswordtochangeanyconfigurationsettings.
HardDiskPassword
SettingaHardDiskPasswordpreventsunauthorizedaccesstothedataontheharddiskdrive.Whena
HardDiskPasswordisset,youarepromptedtotypeavalidpasswordeachtimeyoutrytoaccessthe
harddiskdrive.
Notes:
•AfteryousetaHardDiskPassword,yourdataontheharddiskdriveisprotectedeveniftheharddisk
driveisremovedfromonecomputerandinstalledinanother.
•IftheHardDiskPasswordisforgotten,thereisnowaytoresetthepasswordorrecoverdatafromthe
harddiskdrive.
Setting,changing,anddeletingapassword
Toset,change,ordeleteapassword,dothefollowing:
1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage89.
2.FromtheSetupUtilityprogrammainmenu,selectSecurity.
3.Dependingonthepasswordtype,selectSetPower-OnPassword,SetAdministratorPassword,or
HardDiskPassword.
90ThinkCentreM73UserGuide
4.Followtheinstructionsontherightsideofthescreentoset,change,ordeleteapassword.
Note:Apasswordcanbeanycombinationofupto64alphabeticandnumericcharacters.Formore
information,see“Passwordconsiderations”onpage90.
Erasinglostorforgottenpasswords(clearingCMOS)
Thissectionprovidesinstructionsonhowtoeraselostorforgottenpasswords,suchasauserpassword.
Toerasealostorforgottenpassword,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Openthecomputercover.See“Removingthecomputercover”onpage36.
3.LocatetheClearCMOS/Recoveryjumperonthesystemboard.See“Locatingpartsonthesystem
board”onpage13.
4.Movethejumperfromthestandardposition(pin1andpin2)tothemaintenanceposition(pin2and
pin3).
5.Closethecomputercoverandconnectthepowercord.See“Completingthepartsreplacement”
onpage77.
6.Turnonthecomputerandleaveitonforapproximately10seconds.Whenyouhearshortbeeps,turn
offthecomputerbyholdingthepowerswitchforapproximatelyfiveseconds.
7.Repeatstep1throughstep3.
8.MovetheClearCMOS/Recoveryjumperbacktothestandardposition(pin1andpin2).
9.Closethecomputercoverandconnectthepowercord.See“Completingthepartsreplacement”
onpage77.
Enablingordisablingadevice
Thissectionprovidesinformationonhowtoenableordisableuseraccesstothefollowingdevices:
USBSetupUsethisoptiontoenableordisableaUSBconnector.WhenaUSBconnectoris
disabled,thedeviceconnectedtotheUSBconnectorcannotbeused.
SATAControllerWhenthisfeatureissettoDisable,alldevicesconnectedtotheSATAconnectors
(suchasharddiskdrivesortheopticaldrive)aredisabledandcannotbeaccessed.
Toenableordisableadevice,dothefollowing:
1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage89.
2.FromtheSetupUtilityprogrammainmenu,selectDevices.
3.Dependingonthedeviceyouwanttoenableordisable,dooneofthefollowing:
•SelectUSBSetuptoenableordisableaUSBdevice.
•SelectATADriveSetuptoenableordisableaninternalorexternalSATAdevice.
4.SelectthedesiredsettingsandpressEnter.
5.PressF10tosaveandexittheSetupUtilityprogram.See“ExitingfromtheSetupUtilityprogram”
onpage94.
Selectingastartupdevice
Ifyourcomputerdoesnotstartupfromadevicesuchasthediscorharddiskdriveasexpected,dooneof
thefollowingtoselectthestartupdeviceyouwant.
Chapter7.UsingtheSetupUtilityprogram91
Selectingatemporarystartupdevice
Usethisproceduretoselectatemporarystartupdevice.
Note:Notalldiscsandharddiskdrivesarebootable.
1.Turnoffyourcomputer.
2.RepeatedlypressandreleasetheF12keywhenturningonthecomputer.WhenthePleaseselect
bootdevicewindowdisplays,releasetheF12key.
3.SelectthedesiredstartupdeviceandpressEnter.Thecomputerwillstartupfromthedeviceyou
selected.
Note:SelectingastartupdevicefromthePleaseselectbootdevicewindowdoesnotpermanentlychange
thestartupsequence.
Selectingorchangingthestartupdevicesequence
Tovieworpermanentlychangetheconfiguredstartupdevicesequence,dothefollowing:
1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage89.
2.FromtheSetupUtilityprogrammainmenu,selectStartup.
3.SelectthedevicesforthePrimaryStartupSequence,theAutomaticStartupSequence,andtheError
StartupSequence.Readtheinformationdisplayedontherightsideofthescreen.
4.PressF10tosaveandexittheSetupUtilityprogram.See“ExitingfromtheSetupUtilityprogram”
onpage94.
EnablingErPLPScompliancemode
Lenovocomputersmeettheeco-designrequirementsoftheErPLot3regulation.Formoreinformation,go
to:
http://www.lenovo.com/ecodeclaration
YoucanenableErPLPScompliancemodeintheSetupUtilityprogramtoreducetheconsumptionof
electricitywhenyourcomputerisofforinsleepmode.
ToenableErPLPScompliancemodeintheSetupUtilityprogram,dothefollowing:
1.Makesureyourcomputeristurnedoff.
2.RepeatedlypressandreleasetheF1keywhenturningonthecomputer.Whenyouhearmultiplebeeps
orseealogoscreen,releasetheF1key.TheSetupUtilityprogramstarts.
Note:IfaPower-OnPasswordoranAdministratorPasswordhasbeenset,theSetupUtilityprogram
mainmenuwillnotbedisplayeduntilyoutypethecorrectpassword.
3.FromtheSetupUtilityprogrammainmenu,selectPower➙EnhancedPowerSavingMode,and
pressEnter.
4.SelectEnabledandpressEnter.
5.FromthePowermenu,selectAutomaticPowerOnandpressEnter.
6.SelectWakeonLanandpressEnter.
7.SelectDisabledandpressEnter.
8.PressF10tosavechangesandexittheSetupUtilityprogram.PressEnterwhenpromptedtoconfirm
theexit.
Note:WhenErPLPScompliancemodeisenabled,youcanwakeupyourcomputerbydoingoneof
thefollowing:
92ThinkCentreM73UserGuide
•Pressingthepowerswitch
•Enablingthewakeuponalarmfeature
Thewakeuponalarmfeatureenablesyourcomputertowakeupatasettime.Toenablethewake
uponalarmfeature,dothefollowing:
1.StarttheSetupUtilityprogram.
2.FromtheSetupUtilityprogrammainmenu,selectPower➙AutomaticPowerOn,andpressEnter.
3.SelectWakeUponAlarmandpressEnter.Thenfollowtheinstructionsonthescreen.
4.PressF10tosavechangesandexittheSetupUtilityprogram.PressEnterwhenpromptedto
confirmtheexit.
•Enablingtheafterpowerlossfeature
Theafterpowerlossfeatureenablesyourcomputertowakeupwhenthepowersupplyresumesaftera
suddenlossofelectricity.Toenabletheafterpowerlossfeature,dothefollowing:
1.StarttheSetupUtilityprogram.
2.FromtheSetupUtilityprogrammainmenu,selectPower➙AfterPowerLoss,andpressEnter.
3.SelectPowerOnandpressEnter.
4.PressF10tosavechangesandexittheSetupUtilityprogram.PressEnterwhenpromptedto
confirmtheexit.
ICEperformancemode
YoucanadjusttheacousticandthermalperformanceofyourcomputerthroughtheICEPerformance
Modemenu.Twochoicesareavailable:
•BetterAcousticPerformance(defaultsetting)
•BetterThermalPerformance
ByenablingBetterAcousticPerformance,yourcomputerwillrunwithlessnoiseatanormalthermal
level.ByenablingBetterThermalPerformance,yourcomputerwillrunatabetterthermallevelwith
normalacousticperformance.
ToconfiguretheICEperformancemode,dothefollowing:
1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage89.
2.FromtheSetupUtilityprogrammainmenu,selectPower.
3.SelectIntelligentCoolingEngine(ICE).TheIntelligentCoolingEngine(ICE)windowisdisplayed.
4.SelectICEPerformanceMode.TheICEPerformanceModewindowisdisplayed.
5.SelectBetterAcousticPerformanceorBetterThermalPerformanceasdesired.
6.PressF10tosavechangesandexittheSetupUtilityprogram.See“ExitingfromtheSetupUtility
program”onpage94.
ICEthermalalert
YoucanmonitorthethermalfunctionofyourcomputerundercriticalthermalsituationsthroughtheICE
ThermalAlertmenu.Twochoicesareavailable:
•Enabled(defaultsetting)
•Disabled
Chapter7.UsingtheSetupUtilityprogram93
AfterenablingtheICEthermalalertfunction,whencriticalthermalsituationsoccur,suchasmalfunctioning
fans,abnormallyhightemperature,andpoorcoolingperformances,analertlogwillbewrittenintothe
Windowssystemlog.Thealertlogcanhelpyouidentifythethermalproblems.
ToconfiguretheICEthermalalertfunction,dothefollowing:
1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage89.
2.FromtheSetupUtilityprogrammainmenu,selectPower.
3.SelectIntelligentCoolingEngine(ICE).TheIntelligentCoolingEngine(ICE)windowisdisplayed.
4.SelectICEThermalAlert.TheICEThermalAlertwindowisdisplayed.
5.SelectEnabledorDisabledasdesired.
6.PressF10tosavechangesandexittheSetupUtilityprogram.See“ExitingfromtheSetupUtility
program”onpage94.
ExitingfromtheSetupUtilityprogram
Afteryoufinishviewingorchangingsettings,pressEsctoreturntotheSetupUtilityprogrammainmenu.
YoumighthavetopressEscseveraltimes.Dooneofthefollowing:
•Ifyouwanttosavethenewsettings,pressF10tosaveandexittheSetupUtilityprogram.
•Ifyoudonotwanttosavethesettings,selectExit➙DiscardChangesandExit.
•Ifyouwanttoreturntothedefaultsettings,pressF9toloadthedefaultsettings.
94ThinkCentreM73UserGuide
Chapter8.Updatingsystemprograms
ThischapterprovidesinformationaboutupdatingthePOSTandBIOS,andhowtorecoverfromaPOST
andBIOSupdatefailure.
Usingsystemprograms
Systemprogramsarethebasiclayerofsoftwarebuiltintoyourcomputer.Systemprogramsincludethe
POST,theBIOS,andtheSetupUtilityprogram.ThePOSTisasetoftestsandproceduresthatare
performedeachtimeyouturnonyourcomputer.TheBIOSisalayerofsoftwarethattranslatesinstructions
fromotherlayersofsoftwareintoelectricalsignalsthatthecomputerhardwarecanexecute.Youcanuse
theSetupUtilityprogramtovieworchangetheconfigurationsettingsofyourcomputer.SeeChapter7
“UsingtheSetupUtilityprogram”onpage89fordetailedinformation.
Yourcomputersystemboardhasamodulecalledelectricallyerasableprogrammableread-onlymemory
(EEPROM,alsoreferredtoasflashmemory).YoucaneasilyupdatethePOST,theBIOS,andtheSetup
Utilityprogrambystartingyourcomputerwithasystem-program-updatediscorrunningaspecialupdate
programfromyouroperatingsystem.
LenovomightmakechangesandenhancementstothePOSTandBIOS.Whenupdatesarereleased,they
areavailableasdownloadablefilesontheLenovoWebsiteathttp://www.lenovo.com.Instructionsforusing
thePOSTandBIOSupdatesareavailableinaTXTfilethatisincludedwiththeupdatefiles.Formost
models,youcandownloadeitheranupdateprogramtocreateasystem-program-updatediscoranupdate
programthatcanberunfromtheoperatingsystem.
UpdatingtheBIOS
Whenyouinstallanewprogram,hardwaredevice,ordevicedriver,youmightbeinformedtoupdate
theBIOS.YoucanupdatetheBIOSfromyouroperatingsystemoraflashupdatedisc(supportedonly
onsomemodels).
ToupdatetheBIOS,dothefollowing:
1.Gotohttp://www.lenovo.com/drivers.
2.DownloadtheflashBIOSupdatedriverfortheoperatingsystemversionortheISOimageversion(used
tocreateaflashupdatedisc).Then,downloadtheinstallationinstructionsfortheflashBIOSupdate
driveryoudownload.
3.PrinttheinstallationinstructionsyoudownloadandfollowtheinstructionstoupdatetheBIOS.
Note:IfyouwanttoupdatetheBIOSfromaflashupdatedisc,theinstallationinstructionsmightnotprovide
theinformationabouthowtorecordtheupdatedisc.See“RecordingaCDorDVD”onpage23.
RecoveringfromaPOST/BIOSupdatefailure
IfthepowertoyourcomputerisinterruptedwhilethePOSTandBIOSisbeingupdated,yourcomputer
mightnotrestartcorrectly.Ifthishappens,performthefollowingproceduretorecoverfromthePOSTand
BIOSupdatefailure.ThisprocedureiscommonlycalledBoot-blockRecovery.
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Openthecomputercover.See“Removingthecomputercover”onpage36.
3.LocatetheClearCMOS/Recoveryjumperonthesystemboard.See“Locatingpartsonthesystem
board”onpage13.
©CopyrightLenovo2013,201695
4.RemoveanycablesthatimpedeaccesstotheClearCMOS/Recoveryjumper.
5.Movethejumperfromthestandardposition(pin1andpin2)tothemaintenanceposition(pin2and
pin3).
6.ReconnectanycablesthatweredisconnectedandreinstallthePCIcardifremoved.
7.Closethecomputercoverandreconnectthepowercordsforthecomputerandmonitortoelectrical
outlets.See“Completingthepartsreplacement”onpage77.
8.TurnonthecomputerandtheninsertthePOSTandBIOSupdate(flashupdate)discintotheoptical
drive.Waitafewminutes.Then,therecoverysessionbegins.Therecoverysessionwilltaketwoto
threeminutes.Duringthistime,awarningmessagewillbedisplayedandnoactionisneededfromyou.
9.Aftertherecoverysessioniscompleted,therewillbenovideo,andyourcomputerwillautomatically
turnoff.
10.Repeatstep1throughstep4.
11.MovetheClearCMOS/Recoveryjumperbacktothestandardposition(pin1andpin2).
12.ReconnectanycablesthatweredisconnectedandreinstallthePCIcardifremoved.
13.Closethecomputercoverandreconnectanycablesthatweredisconnected.
14.Turnonthecomputertorestarttheoperatingsystem.
96ThinkCentreM73UserGuide
Chapter9.Preventingproblems
Thischapterprovidesinformationthatcanhelpyouavoidcommonproblemsandkeepyourcomputer
runningsmoothly.
Keepingyourcomputercurrent
Insomesituationsyoumayfinditnecessarytohavethemostcurrentsoftwareprograms,devicedrivers,or
operatingsystem.Thissectionexplainshowtogetthelatestupdatesforyourcomputer.
Selectanyofthefollowingtopics:
•“Gettingthelatestdevicedriversforyourcomputer”onpage97
•“Gettingthelatestsystemupdates”onpage97
Gettingthelatestdevicedriversforyourcomputer
Attention:Reinstallingdevicedriverswillchangethecurrentconfigurationofyourcomputer.
Togetthelatestdevicedriversforyourcomputer,dooneofthefollowing:
•Downloadthedevicedriversthatarepreinstalledonyourcomputer.Gotohttp://www.lenovo.com/drivers.
•UsetheLenovoprogramorWindowsUpdate.See“Gettingthelatestsystemupdates”onpage97.
Note:ThedevicedriversprovidedbyWindowsUpdatemightnotbetestedbyLenovo.Itisrecommended
thatyougetdevicedriversfromLenovo.
Gettingthelatestsystemupdates
Togetthelatestsystemupdatesforyourcomputer,ensurethatyourcomputerisconnectedtotheInternet
anddooneofthefollowing:
•UsetheSystemUpdateorLenovoCompanionprogramprovidedbyLenovotogetthesystemupdates,
suchasdevicedriverupdates,softwareupdates,andBIOSupdates.
Note:TheLenovoCompanionprogramisnotavailableonWindows7computermodels.
ToopentheSystemUpdateorLenovoCompanionprogram.See“Accessingaprogramonyour
computer”onpage5.Formoreinformationaboutusingtheprogram,refertothehelpsystemofthe
program.
•UseWindowsUpdatetogetthesystemupdates,suchassecurityfixes,newversionsofWindows
components,anddevicedriverupdates.
1.DependingonyourWindowsversion,dooneofthefollowing:
–ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthenclickControlPanel.View
ControlPanelusingLargeiconsorSmallicons,andthenclickWindowsUpdate.
–ForWindows8orWindows8.1:Movethepointertothetop-rightorbottom-rightcornerofthe
screentodisplaythecharms.Then,clickSettings➙ChangePCsettings➙Updateand
recovery➙WindowsUpdate.
–ForWindows10:ClicktheStartbuttontoopentheStartmenu.Then,clickSettings➙Update&
security➙WindowsUpdate.
2.Followtheinstructionsonthescreen.
©CopyrightLenovo2013,201697
Cleaningandmaintenance
Withappropriatecareandmaintenanceyourcomputerwillserveyoureliably.Thefollowingtopicsoffer
informationtohelpyoukeepyourcomputerintopworkingorder.
•“Basics”onpage98
•“Cleaningyourcomputer”onpage98
–“Computer”onpage98
–“Keyboard”onpage98
–“Opticalmouse”onpage99
–“Displayscreen”onpage99
•“Goodmaintenancepractices”onpage99
Basics
Herearesomebasicpointsaboutkeepingyourcomputerfunctioningproperly:
•Keepyourcomputerinaclean,dryenvironment.Makesureitrestsonaflat,steadysurface.
•Donotplaceitemsontopofthemonitororcoveranyoftheventsinthemonitororcomputer.These
ventsprovideairflowtokeepyourcomputerfromoverheating.
•Keepfoodanddrinksawayfromallpartsofyourcomputer.Foodparticlesandspillsmightmakethe
keyboardandmousestickandunusable.
•Donotgetthepowerswitchesorothercontrolswet.Moisturecandamagethesepartsandcausean
electricalhazard.
•Alwaysdisconnectapowercordbygraspingtheplug,butnotthecord.
Cleaningyourcomputer
Itisagoodpracticetocleanyourcomputerperiodicallytoprotectthesurfacesandensuretrouble-free
operation.
CAUTION:
Besuretoturnoffthecomputerandmonitorpowerswitchesbeforecleaningthecomputerand
monitorscreen.
Computer
Useonlymildcleaningsolutionsandadampclothtocleanthepaintedsurfacesofthecomputer.
Keyboard
Tocleanyourcomputerkeyboard,dothefollowing:
1.Applysomeisopropylrubbingalcoholtoasoft,dust-freecloth.
2.Wipeeachkeytopsurfacewiththecloth.Wipethekeysonebyone;ifyouwipeseveralkeysatatime,
theclothmayhookontoanadjacentkeyandpossiblydamageit.Makesurethatnoliquiddripsonto
orbetweenthekeys.
3.Toremoveanycrumbsordustfrombeneaththekeys,youcanuseacamerablowerwithabrush
orcoolairfromahairdryer.
Note:Avoidsprayingcleanerdirectlyontothedisplayorthekeyboard.
98ThinkCentreM73UserGuide
Opticalmouse
Thissectionprovidesinstructionsonhowtocleananopticalmouse.
Anopticalmouseusesalight-emittingdiode(LED)andanopticalsensortonavigatethepointer.Ifthe
pointeronthescreendoesnotmovesmoothlywiththeopticalmouse,youmightneedtocleanthemouse.
Tocleananopticalmouse,dothefollowing:
1.Turnoffyourcomputer.
2.Disconnectthemousecablefromthecomputer.
3.Turnthemouseupsidedowntocheckthelens.
a.Ifthereisasmudgeonthelens,gentlycleantheareawithaplaincotton-tippedswab.
b.Ifthereisdebrisinthelens,gentlyblowthedebrisawayfromthearea.
4.Checkthesurfaceonwhichyouareusingthemouse.Ifyouhaveaveryintricatepictureorpattern
beneaththemouse,itmaybedifficultforthedigitalsignalprocessor(DSP)todeterminechanges
inthemouseposition.
5.Reconnectthemousecabletothecomputer.
6.Turnyourcomputerbackon.
Displayscreen
Dustbuildupcompoundsproblemsassociatedwithglare.Remembertocleanyourmonitorscreen
periodically.See“Cleaningaflat-panelmonitorsurface”onpage99or“Cleaningaglass-screensurface”
onpage99.
Cleaningaflat-panelmonitorsurface
Ifyouhaveaflat-panelcomputerdisplaythathasaflexiblefilmsurface,dothefollowingtocleanthespecial
surface.Wipeitgentlywithasoft,drycloth,orblowonthescreentoremovegritandotherlooseparticles.
ThenmoistenaclothwithLCDcleanerandwipethescreensurface.
Manycomputersupplystorescarrythespecialcleaningfluidsfordisplays.Usecleaningfluidsdevelopedfor
LCDdisplaysonly.Firstapplythefluidtoalint-free,softcloth,thencleantheLCDdisplay.Somecomputer
supplystorescarrypre-moistenedtowelettesforLCDmaintenance.
Cleaningaglass-screensurface
Tocleanaglass-screensurface,wipeitgentlywithasoft,drycloth,orblowonthescreentoremovegritand
otherlooseparticles.Thenuseasoftclothmoistenedwithanonabrasiveliquidglasscleaner.
Goodmaintenancepractices
Byperformingafewgoodmaintenancepractices,youcanmaintaingoodcomputerperformance,protect
yourdata,andbepreparedincaseofacomputerfailure.
•Keepyourcomputersoftware,devicedrivers,andoperatingsystemup-to-date.See“Keepingyour
computercurrent”onpage97.
•Emptyyourrecyclebinonaregularbasis.
•CleanoutyourInbox,SentItems,andDeletedItemsfoldersinyoure-mailapplicationonaregularbasis.
•Cleanupfilesandfreeupstoragedrivespaceandmemoryspaceoccasionallytopreventperformance
problems.See“Performanceandlockupproblems”onpage116.
•Keepalogbook.Entriesmightincludemajorsoftwareorhardwarechanges,device-driverupdates,
intermittentproblemsandwhatyoudidtoresolvethem,andotherissuesyoumighthaveexperienced.
Chapter9.Preventingproblems99
Thecauseofaproblemmightbechangeinhardware,changeinsoftware,oranyotheractionsthatmight
havetakenplace.AlogbookcanhelpyouoraLenovotechniciandeterminethecauseofaproblem.
•Backupyourdataonthestoragedriveregularly.Youcanrestorethestoragedrivefromabackup.
Tobackupyourdata,dooneofthefollowing:
–ForWindows7:OpentheRescueandRecoveryprogram.See“Accessingaprogramonyour
computer”onpage5.Formoreinformationaboutbackingupyourdata,refertothehelpsystem
oftheprogram.
–ForWindows8orWindows8.1:OpenControlPanel.ViewControlPanelusingLargeiconsorSmall
icons,andthenclickFileHistory.Followtheinstructionsonthescreen.
Note:FordetailedinformationonhowtoopenControlPanelonWindows8andWindows8.1,see
“AccessingControlPanelontheWindows8orWindows8.1operatingsystem”onpage20.
–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu,andthenclickControl
Panel.ViewControlPanelusingLargeiconsorSmallicons,andthenclickFileHistory.Followthe
instructionsonthescreen.
•Createarecoverymediumasearlyaspossible.Youcanusetherecoverymediumtorecoveryour
operatingsystemevenifWindowsfailstostartup.
Tocreatearecoverymedium,dooneofthefollowing:
–ForWindows7:OpentheCreateRecoveryMediaprogram.See“Accessingaprogramonyour
computer”onpage5.Formoreinformationaboutcreatingarecoverymedium,refertothehelp
systemoftheprogram.
–ForWindows8orWindows8.1:OpenControlPanel.ViewControlPanelusingLargeiconsorSmall
icons,andthenclickRecovery.Followtheinstructionsonthescreen.
Note:FordetailedinformationonhowtoopenControlPanelonWindows8andWindows8.1,see
“AccessingControlPanelontheWindows8orWindows8.1operatingsystem”onpage20.
–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu,andthenclickControl
Panel.ViewControlPanelusingLargeiconsorSmallicons,andthenclickRecovery.Followthe
instructionsonthescreen.
•ForWindows7,createarescuemediumasearlyaspossible.Youcanusetherescuemediumto
recoverfromfailuresthatpreventyoufromgainingaccesstotheRescueandRecoveryworkspace
onyourstoragedrive.
Tocreatearescuemedium,opentheRescueandRecoveryprogram.See“Accessingaprogramonyour
computer”onpage5.Formoreinformationaboutcreatingarescuemedium,refertothehelpsystem
oftheprogram.
Movingyourcomputer
Takethefollowingprecautionsbeforemovingyourcomputer.
1.Backupallfilesanddatafromtheharddiskdrive.Thereareavarietyofbackupprogramsavailable
commercially.Youroperatingsystemalsomighthaveabackupprogramthatyoucanuse.Lenovo
providestheRescueandRecoveryprogramtohelpyoubackupandrestoredata.See“Performing
backupandrecoveryoperations”onpage80formoreinformation.
2.Removeallmedia(diskettes,compactdiscs,tapes,andsoon)fromthedrives.
3.Turnoffthecomputerandallattacheddevices.Yourharddiskdriveautomaticallyparkstheread/write
headinanondataarea.Thispreventsdamagetotheharddiskdrive.
4.Unplugthepowercordsfromelectricaloutlets.
5.Disconnectcommunicationcables,suchasmodemornetworkcables,fromtheoutletsfirst,andthen
disconnecttheotherendsfromthecomputer.
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102ThinkCentreM73UserGuide
Chapter10.Troubleshootinganddiagnostics
Thischapterdescribessomebasictroubleshootinganddiagnosticprogram.Ifyourcomputerproblemis
notdescribedhere,seeChapter11“Gettinginformation,help,andservice”onpage121foradditional
troubleshootingresources.
Basictroubleshooting
Thefollowingtableprovidesinformationtohelpyoutroubleshootyourcomputerproblems.
Note:Ifyoucannotcorrecttheproblem,havethecomputerserviced.Foralistofserviceandsupport
telephonenumbers,refertotheSafety,Warranty,andSetupGuidethatcomeswithyourcomputerorgoto
theLenovoSupportWebsiteathttp://www.lenovo.com/support/phone.
SymptomAction
Thecomputerdoesnotstart
whenyoupressthepower
switch.
Verifythat:
•Thepowercordiscorrectlyconnectedtotherearofthecomputerandtoa
workingelectricaloutlet.
•Ifyourcomputerhasasecondarypowerswitchontherearofthecomputer,
makesurethatitisswitchedon.
•Thepowerindicatoronthefrontofthecomputerison.
•Thecomputervoltagematchesthevoltageavailableattheelectricaloutletfor
yourcountryorregion.
Themonitorscreenisblank.Verifythat:
•Themonitorsignalcableiscorrectlyconnectedtothemonitorandtothe
appropriatemonitorconnectoronthecomputer.
•Themonitorpowercordiscorrectlyconnectedtothemonitorandtoaworking
electricaloutlet.
•Themonitoristurnedonandthebrightnessandcontrastcontrolsareset
correctly.
•Thecomputervoltagematchesthevoltageavailableattheelectricaloutletfor
yourcountryorregion.
•Ifyourcomputerhastwomonitorconnectors,besuretousetheconnector
onthegraphicscard.
Thekeyboarddoesnotwork.Verifythat:
•Thecomputeristurnedon.
•ThekeyboardissecurelyconnectedtoaUSBconnectoronthecomputer.
•Nokeysarestuck.
Themousedoesnotwork.Verifythat:
•Thecomputeristurnedon.
•ThemouseissecurelyconnectedtoaUSBconnectoronthecomputer.
•Themouseisclean.Referto“Opticalmouse”onpage99forfurtherinformation.
©CopyrightLenovo2013,2016103
SymptomAction
Theoperatingsystemdoesnot
start.
Verifythat:
•Thestartupsequenceincludesthedevicewheretheoperatingsystemresides.
Usually,theoperatingsystemisontheharddiskdrive.Formoreinformation,
see“Selectingastartupdevice”onpage91.
Thecomputerbeepsmultiple
timesbeforetheoperating
systemstarts.
Verifythatnokeysarestuck.
Troubleshootingprocedure
Usethefollowingprocedureasastartingpointfordiagnosingproblemsyouareexperiencingwithyour
computer:
1.Verifythatthecablesforallattacheddevicesareconnectedcorrectlyandsecurely.
2.Verifythatallattacheddevicesthatrequireacpowerareconnectedtoproperlygrounded,functioning
electricaloutlets.
3.VerifythatallattacheddevicesareenabledintheBIOSsettingsofyourcomputer.Formoreinformation
aboutaccessingandchangingtheBIOSsettings,refertoyourChapter7“UsingtheSetupUtility
program”onpage89.
4.Gotothe“Troubleshooting”onpage105andfollowtheinstructionsforthetypeofproblemyouare
experiencing.IftheTroubleshootinginformationdoesnothelpyouresolveaproblem,continuewiththe
nextstep.
5.Tryusingapreviouslycapturedconfigurationtoseeifarecentchangetohardwareorsoftwaresettings
hascausedaproblem.Beforerestoringapreviousconfiguration,captureyourcurrentconfigurationin
casetheolderconfigurationsettingsdonotsolvetheproblemorhaveadverseeffects.Torestorea
capturedconfiguration,dothefollowing:
a.OpenControlPanelbydoingoneofthefollowing:
•ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthenclickControlPanel.
•ForWindows8orWindows8.1:See“AccessingControlPanelontheWindows8orWindows
8.1operatingsystem”onpage20.
•ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu,andthenclick
ControlPanel.
b.ViewControlPanelusingLargeiconsorSmallicons,andthenclickRecovery➙OpenSystem
Restore.
c.Followtheinstructionsonthescreen.
Ifthisdoesnotcorrecttheproblem,continuewiththenextstep.
6.Runthediagnosticprogram.See“LenovoSolutionCenter”onpage120formoreinformation.
•Ifthediagnosticprogramdetectsahardwarefailure,contacttheLenovoCustomerSupportCenter.
SeeChapter11“Gettinginformation,help,andservice”onpage121formoreinformation.
•Ifyouareunabletorunthediagnosticprogram,contacttheLenovoCustomerSupportCenter.See
Chapter11“Gettinginformation,help,andservice”onpage121formoreinformation.
•Ifthediagnosticprogramdoesnotdetectahardwarefailure,continuewiththenextstep.
7.Useanantivirusprogramtoseeifyourcomputerhasbeeninfectedbyavirus.Iftheprogramdetectsa
virus,removethevirus.
8.Ifnoneoftheseactionssolvetheproblem,seektechnicalassistance.SeeChapter11“Getting
information,help,andservice”onpage121formoreinformation.
104ThinkCentreM73UserGuide
Troubleshooting
Usethetroubleshootinginformationtofindsolutionstoproblemsthathavedefinitesymptoms.
Ifthesymptomyourcomputerisexperiencingoccurredimmediatelyafteryouinstalledanewhardware
optionornewsoftware,dothefollowingbeforereferringtothetroubleshootinginformation:
1.Removethenewhardwareoptionorsoftware.Ifyoumustremovethecomputercovertoremovea
hardwareoption,makesureyoureviewandfollowtheelectricalsafetyinformationprovidedwithyour
computer.Foryoursafety,donotoperatethecomputerwiththecoverremoved.
2.Runthediagnosticprogramtoensureyourcomputerisoperatingcorrectly.
3.Reinstallthenewhardwareoptionorsoftwarefollowingthemanufacturer'sinstructions.
Selecttheproblemyourcomputerisexperiencingfromthefollowinglist:
•“Audioproblems”onpage105
•“CDproblems”onpage106
•“DVDproblems”onpage107
•“Intermittentproblems”onpage109
•“Keyboard,mouse,orpointingdeviceproblems”onpage109
•“Monitorproblems”onpage111
•“Networkingproblems”onpage112
•“Optionproblems”onpage115
•“Performanceandlockupproblems”onpage116
•“Printerproblems”onpage117
•“Serialportproblems”onpage118
•“Softwareproblems”onpage118
•“USBproblems”onpage119
Audioproblems
Selectyoursymptomfromthefollowinglist:
•“NoaudioinWindows”onpage105
•“AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoadrive”
onpage106
•“Soundcomesfromoneexternalspeakeronly”onpage106
•“NoaudioinDOSapplicationsorgames”onpage106
NoaudioinWindows
Symptom:NoaudioinWindows
Actions:
•IfyouareusingpoweredexternalspeakersthathaveanOn/Offcontrol,verifythattheOn/Offcontrolis
settotheOnpositionandthespeakerpowercableisconnectedtoaproperlygrounded,functionalac
electricaloutlet.
•Ifyourexternalspeakershaveavolumecontrol,verifythatthevolumecontrolisnotsettoolow.
•Double-clickthespeakericonintheWindowsnotificationarea.Amastervolume-controlwindowopens.
VerifythattheMutesettingsarenotcheckedandnoneofthevolumesettingsissettoolow.
Chapter10.Troubleshootinganddiagnostics105
•Somemodelshaveafrontaudiopanelyoucanusetoadjustvolume.Ifyouhaveafrontaudiopanel,
verifythatthevolumeisnotsettoolow.
•Verifythatyourexternalspeakers(andheadphones,ifused)areconnectedtothecorrectaudioconnector
onthecomputer.Mostspeakercablesarecolor-codedtomatchtheconnector.
Note:Whenexternal-speakerorheadphonecablesareattachedtotheaudioconnector,theinternal
speaker,ifpresent,isdisabled.Inmostcases,ifanaudioadapterisinstalledinoneoftheexpansionslots,
theaudiofunctionbuiltintothesystemboardisdisabled;usetheaudiojacksontheadapter.
•MakesurethattheprogramyouarerunningisdesignedforuseintheMicrosoftWindowsoperating
system.IftheprogramisdesignedtoruninDOS,theprogramdoesnotusetheWindowssoundfeature
andmustbeconfiguredtouseSoundBlasterProorSoundBlasteremulation.
•Verifythattheaudiodevicedriversarecorrectlyinstalled.SeeMicrosoftWindowshelpsystemfor
moreinformation.
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,seeChapter11“Gettinginformation,help,andservice”onpage121.
AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitis
insertedintoadrive
Symptom:AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoadrive
Action:See“CDproblems”onpage106.
Soundcomesfromoneexternalspeakeronly
Symptom:Soundcomesfromoneexternalspeakeronly.
Actions:
•Ensurethatthespeakercableisinsertedcompletelyintotheconnectoronthecomputer.
•Makesurethecablethatattachestheleftspeakertotherightspeakerissecurelyconnected.
•Double-clickthespeakericonintheWindowsnotificationarea.Amastervolume-controlwindowopens.
VerifythattheBalancesettingsaresetcorrectly.
Iftheseactionsdonotcorrecttheproblem,youmighthaveafailingspeaker.Havethespeakerserviced.If
youneedtechnicalassistance,seeChapter11“Gettinginformation,help,andservice”onpage121.
NoaudioinDOSapplicationsorgames
Symptom:NoaudioinDOSapplicationsorgames
Actions:
•MakesuretheDOSapplicationorgameisconfiguredtouseSoundBlasterProorSoundBlaster
emulation.Refertothedocumentationthatcomeswiththeapplicationorgameforinstructionson
settingsound-cardsettings.
•Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,seeChapter11“Gettinginformation,help,andservice”onpage121.
CDproblems
Selectyoursymptomfromthefollowinglist:
•“AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoaCD
drive”onpage107
106ThinkCentreM73UserGuide
•“ACDorDVDdoesnotwork”onpage107
•“Unabletouseastartable(bootable)recoverymedium,suchastheProductRecoveryCD,tostart
yourcomputer”onpage107
AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitis
insertedintoaCDdrive
Symptom:AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedinto
aCDdrive.
Actions:
•IfyouhavemultipleCDorDVDdrivesinstalled(oracombinationofCDandDVDdrives),tryinsertingthe
discintotheotherdrive.Insomecases,onlyoneofthedrivesisconnectedtotheaudiosubsystem.
•IfyouareusingtheWindows7operatingsystem,followtheactionfor“ACDorDVDdoesnotwork”on
page107.
Ifthisdoesnotcorrecttheproblem,followtheactionfor“ACDorDVDdoesnotwork”onpage107.
ACDorDVDdoesnotwork
Symptom:ACDorDVDdoesnotwork.
Actions:
•Verifythatthediscisinsertedcorrectly,withitslabelup.
•Makesurethatthediscyouareusingisclean.Toremovedustorfingerprints,wipethedisccleanwitha
softclothfromthecentertotheoutside.Wipingadiscinacircularmotionmightcauselossofdata.
•Verifythatthediscyouareusingisnotscratchedordamaged.Tryinsertinganotherdiscthatyouknow
isgood.Ifyoucannotreadfromaknown-gooddisc,youmighthaveaproblemwithyourCDorDVD
driveorthecablingtoyourCDorDVDdrive.Makesurethatthepowercableandsignalcableare
securelyconnectedtothedrive.
Unabletouseastartable(bootable)recoverymedium,suchastheProductRecovery
CD,tostartyourcomputer
Symptom:Unabletouseastartable(bootable)recoverymedium,suchastheProductRecoveryCD,
tostartyourcomputer.
Action:MakesurethattheCDorDVDdriveisinthestartupsequencebeforetheharddiskdrive.Refer
toyour“Selectingorchangingthestartupdevicesequence”onpage92forinformationonviewingand
changingthestartupsequence.Notethatonsomemodelsthestartupsequenceispermanentlysetand
cannotbechanged.
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,seeChapter11“Gettinginformation,help,andservice”onpage121.
DVDproblems
Selectyoursymptomfromthefollowinglist:
•“BlackscreeninsteadofDVDvideo”onpage108
•“DVDmoviewillnotplay”onpage108
•“NoaudioorintermittentaudiowhileplayingDVDmovie”onpage108
•“Playbackisverysloworchoppy”onpage108
•“Invaliddiscornodiscfoundmessage”onpage108
Chapter10.Troubleshootinganddiagnostics107
BlackscreeninsteadofDVDvideo
Symptom:BlackscreeninsteadofDVDvideo
Actions:
•RestarttheDVDplayerprogram.
•Closeanyopenfiles,turnoffthecomputer,andthenrestartthecomputer.
•Tryalowerscreenresolutionorcolordepth.
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,seeChapter11“Gettinginformation,help,andservice”onpage121.
DVDmoviewillnotplay
Symptom:DVDmoviewillnotplay.
Actions:
•Makesurethatthediscsurfaceiscleanandnotscratched.
•Checkthediscorpackageforregionalcoding.Youmightneedtopurchaseadiscwithcodingfor
theregionwhereyouareusingyourcomputer.
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,seeChapter11“Gettinginformation,help,andservice”onpage121.
NoaudioorintermittentaudiowhileplayingDVDmovie
Symptom:NoaudioorintermittentaudiowhileplayingDVDmovie.
Actions:
•Checkthevolumecontrolsettingsonyourcomputerandonyourspeakers.
•Makesurethatthediscsurfaceiscleanandnotscratched.
•Checkallcableconnectionstoandfromthespeakers.
•UsetheDVDmenuforthevideotoselectadifferentaudiotrack.
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,seeChapter11“Gettinginformation,help,andservice”onpage121.
Playbackisverysloworchoppy
Symptom:Playbackisverysloworchoppy.
Actions:
•Disableanybackgroundprograms,suchasAntiVirusorDesktopThemes.
•Ensurethatvideoresolutionissettolessthan1152x864.
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,seeChapter11“Gettinginformation,help,andservice”onpage121.
Invaliddiscornodiscfoundmessage
Symptom:Invaliddiscornodiscfoundmessage
Actions:
108ThinkCentreM73UserGuide
•EnsurethataDVDdiscisinthedrivewiththeshinysideofthediscfacingdown.
•Ensurethatvideoresolutionissettolessthan1152x864.
•OncomputersthathaveaCD-ROMorCD-RWdriveinadditiontoaDVD-ROMdrive,makesurethatthe
DVDdiscisinthedrivelabeled“DVD”.
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,seeChapter11“Gettinginformation,help,andservice”onpage121.
Intermittentproblems
Symptom:Aproblemoccursonlyoccasionallyandisdifficulttorepeat.
Actions:
•Verifythatallcablesandcordsaresecurelyconnectedtothecomputerandattacheddevices.
•Verifythatwhenthecomputerison,thefangrillisnotblocked(thereisairflowaroundthegrill),andthe
fansareworking.Ifairflowisblockedorthefansarenotworking,thecomputermightoverheat.
•IfSCSIdevicesareinstalled,verifythatthelastexternaldeviceineachSCSIchainisterminatedcorrectly.
(SeeyourSCSIdocumentation.)
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,seeChapter11“Gettinginformation,help,andservice”onpage121.
Keyboard,mouse,orpointingdeviceproblems
Selectyoursymptomfromthefollowinglist:
•“Allorsomekeysonthekeyboarddonotwork”onpage109
•“Themouseorpointingdevicedoesnotwork”onpage110
•“Thepointeronthescreendoesnotmovesmoothlywiththemouse”onpage110
•“Thefingerprintreaderdoesnotwork”onpage110
•“Thewirelesskeyboarddoesnotwork”onpage110
Allorsomekeysonthekeyboarddonotwork
Symptom:Allorsomekeysonthekeyboarddonotwork.
Actions:
•Verifythatthekeyboardcableissecurelyconnectedtothecorrectconnectoronthecomputer.
•IfyouareusinganEnhancedPerformanceUSBkeyboardandoneormoreoftheRapidAccessbuttons
aretheonlykeysthatarenotworking,thesebuttonsmighthavebeendisabledorhavenotbeenassigned
toafunction.UsethehelpsystemintheEnhancedPerformanceCustomizationKeyboardprogramto
helpdiagnoseproblemswiththeRapidAccessbuttons.
ToopentheEnhancedPerformanceCustomizationKeyboardprogram,dooneofthefollowing:
–OntheWindows7operatingsystem,dothefollowing:
1.ClickStart➙ControlPanel.
2.ClickHardwareandSound.
3.ClickDevicesandPrinters.
4.Double-clickUSBEnhancedPerformanceKeyboard.TheUSBEnhancedPerformance
KeyboardCustomizationprogramstarts.
–OntheWindows8orWindows8.1operatingsystem,dothefollowing:
Chapter10.Troubleshootinganddiagnostics109
1.OpenControlPanel.
Note:FordetailedinformationonhowtoopenControlPanelonWindows8andWindows8.1,see
“NavigatingamongscreensontheWindows8andWindows8.1operatingsystems”onpage17.
2.ClickHardwareandSound.
3.ClickDevicesandPrinters.
4.Double-clickUSBEnhancedPerformanceKeyboard.TheUSBEnhancedPerformance
KeyboardCustomizationprogramstarts.
Iftheseactionsdonotcorrecttheproblem,havethecomputerandkeyboardserviced.SeeChapter11
“Gettinginformation,help,andservice”onpage121fordetails.
Themouseorpointingdevicedoesnotwork
Symptom:Themouseorpointingdevicedoesnotwork.
Actions:
•Verifythatthemouseorpointing-devicecableissecurelyattachedtothecorrectconnectoronthe
computer.Dependingonthetypeofmouseyouhave,themousecablewillconnecttoeitherthe
mouse,serial,orUSBconnector.SomekeyboardshaveintegratedUSBconnectorsthatcanbeused
foraUSBmouseorpointingdevice.
•Verifythatthedevicedriversforthemouseorpointingdeviceareinstalledcorrectly.
•IfyouareusingaUSBkeyboardormouse,verifythattheUSBconnectorsareenabledintheBIOS
settings.See“Enablingordisablingadevice”onpage91.
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,seeChapter11“Gettinginformation,help,andservice”onpage121.
Thepointeronthescreendoesnotmovesmoothlywiththemouse
Symptom:Thepointeronthescreendoesnotmovesmoothlywiththemouse.
Action:Erraticmovementofthemousepointerisgenerallycausedbyabuildupofdirt,oils,andother
contaminantsontheballinsidethemouse.Cleanthemouse.See“Opticalmouse”onpage99for
instructions.
Thefingerprintreaderdoesnotwork
Symptom:Thefingerprintreaderdoesnotwork.
Action:Thefollowingcouldcausethefingerprintreadernottooperateproperly:
•Notenrollingyourfingerprintcorrectly.
•Scratchingthesurfaceofthereaderwithahard,pointedobject.
•Scrapingthesurfaceofthereaderwithyournailoranythinghard.
•Usingortouchingthereaderwithadirtyfinger.
•Thesurfaceofyourfingerisverydifferentfromwhenyouenrolledyourfingerprint.
Thewirelesskeyboarddoesnotwork
Symptom:Thewirelesskeyboarddoesnotwork.
Action:IftheTransceiverCommunicationsLEDisonandthewirelessKeyboarddoesnotwork,restartyour
computer.Ifrestartingyourcomputerdoesnotsolvetheproblem,verifythatthefollowingconditionsaremet:
110ThinkCentreM73UserGuide
•Thebatteriesareproperlyinstalled.
•Thebatteriesstillretaintheircurrent.
•ThewirelessKeyboardislocatedlessthantenmetersawayfromthetransceiver.
•Thetransceiverisfullyinstalled.
Action:IftheTransceiverCommunicationsLEDisnoton,reconnectthetransceiverandthekeyboard.
Monitorproblems
Note:Manymonitorshavestatus-indicatorlightsandbuilt-incontrolsforadjustingbrightness,contrast,
width,height,andotherpictureadjustments.However,thecontrolsvaryfrommonitortypetomonitortype.
Forinformationaboutthestatuslightsandusingthecontrols,refertothedocumentationthatcomes
withyourmonitor.
Selectyoursymptomfromthefollowinglist:
•“Wrongcharactersappearonthescreen”onpage111
•“Themonitorworkswhenyouturnonthecomputer,butgoesblankaftersomeperiodofcomputer
inactivity”onpage111
•“Themonitorworkswhenyouturnonthecomputer,butgoesblankwhenyoustartsomeapplication
programs”onpage111
•“Theimageappearstobeflickering”onpage112
•“Theimageisdiscolored”onpage112
Wrongcharactersappearonthescreen
Symptom:Wrongcharactersappearonthescreen.
Action:Havethecomputerserviced.Fordetails,seeChapter11“Gettinginformation,help,andservice”on
page121.
Themonitorworkswhenyouturnonthecomputer,butgoesblankaftersomeperiod
ofcomputerinactivity
Symptom:Themonitorworkswhenyouturnonthecomputer,butgoesblankaftersomeperiodofcomputer
inactivity.
Action:Thecomputerisprobablysetforenergysavingswiththepower-managementfeature.Ifthe
power-managementfeatureisenabled,disablingitorchangingthesettingsmightsolvetheproblem.
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,seeChapter11“Gettinginformation,help,andservice”onpage121.
Themonitorworkswhenyouturnonthecomputer,butgoesblankwhenyoustart
someapplicationprograms
Symptom:Themonitorworkswhenyouturnonthecomputer,butgoesblankwhenyoustartsome
applicationprograms.
Actions:
•Makesurethemonitorsignalcableissecurelyconnectedtothemonitorandthemonitorconnectoron
thecomputer.Aloosecablecancauseintermittentproblems.
•Verifythatthenecessarydevicedriversfortheapplicationprogramsareinstalled.Refertothe
documentationfortheaffectedapplicationprogramtoseeifdevicedriversarerequired.
Chapter10.Troubleshootinganddiagnostics111
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,seeChapter11“Gettinginformation,help,andservice”onpage121.
Theimageappearstobeflickering
Solutions:
•Thescreenmightbeaffectedbyinterferencefromnearbyequipment.Magneticfieldsaroundother
devices,suchastransformers,appliances,fluorescentlights,andothermonitorsmightbecausingthe
problem.Movefluorescentdesklightingoranyequipmentthatproducesmagneticfieldsfartheraway
fromthescreen.Ifthisdoesnotcorrecttheproblem,turnoffthecomputer.Then,adjusttheplacementof
thecomputerandotherdevicessothattheyareatleast305mm(12inches)apart.Turnonthecomputer.
•Resettherefreshratesupportedbyyourcomputer.
1.Right-clickablankareaonthedesktop.
2.DependingonyourWindowsversion,dooneofthefollowing:
–ForWindows7,Windows8,orWindows8.1:ClickScreenresolution➙Advancedsettings.
–ForWindows10:ClickDisplaysettings.OntheDisplaytab,clickAdvanceddisplaysettings➙
Displayadapterproperties.
3.ClicktheMonitortab,andthenresettherefreshratetobethehighestandnoninterlaced.
Theimageisdiscolored
Symptom:Theimageisdiscolored.
Action:Themonitormightbeaffectedbyinterferencefromnearbyequipment.Magneticfieldsaroundother
devices,suchastransformers,appliances,fluorescentlights,andothermonitorsmightbecausingthe
problem.Movefluorescentdesklightingoranyequipmentthatproducesmagneticfieldsfurtherawayfrom
themonitor.Ifthisdoesnotcorrecttheproblem,dothefollowing:
1.Turnoffthemonitor.(Movingacolormonitorwhileitisturnedonmightcausescreendiscoloration.)
2.Adjusttheplacementofthemonitorandotherdevicessothattheyareatleast305mm(12inches)apart.
3.Turnonthemonitor.
Iftheseactionsdonotcorrecttheproblem,yourmonitormightneedservice.SeeChapter11“Getting
information,help,andservice”onpage121fordetails.
Networkingproblems
Thefollowingarethemostcommonnetworkingproblems.Selectyournetworkingproblemfromthe
followinglist:
•“Ethernetproblems”onpage112
•“AwirelessLANproblem”onpage114
•“AwirelessWANproblem”onpage114
•“Bluetoothproblem”onpage115
Formoreinformation,see“Windowshelpsystem”onpage121.
Ethernetproblems
ForEthernetproblems,selectyoursymptomfromthefollowinglist:
•“Yourcomputercannotconnecttothenetwork”onpage113
•“Theadapterstopsworkingfornoapparentreason”onpage113
112ThinkCentreM73UserGuide
•“IfyourcomputerisaGigabitEthernetmodelandyouuseaspeedof1000Mbps,theconnectionfails
orerrorsoccur”onpage114
•“IfyourcomputerisaGigabitEthernetmodel,itcannotconnecttothenetworkat1000Mbps.Instead,it
connectsat100Mbps”onpage114
Yourcomputercannotconnecttothenetwork
Symptom:Yourcomputercannotconnecttothenetwork.
Actions:Ensurethat:
•Thecableisinstalledproperly.
ThenetworkcablemustbesecurelyconnectedtoboththeEthernetconnectorofyourcomputerand
theRJ45connectorofthehub.Themaximumallowabledistancefromthecomputertohubis100
meters.Ifthecableisconnectedandthedistanceiswithinacceptablelimitsbuttheproblempersists,try
adifferentcable.
•Thecableisinstalledproperly.
•Youareusingthecorrectdevicedriver.
OntheWindows7operatingsystem,dothefollowing:
1.ClickStart➙ControlPanel.
2.ClickHardwareandSound.
3.ClickDeviceManager.Ifyouarepromptedforanadministratorpasswordorconfirmation,typethe
passwordorprovideconfirmation.
4.IfanexclamationmarkisdisplayednexttoanadapternameunderNetworkadapters,youmight
notbeusingthecorrectdriverorthedriverisnotenabled.Toupdatethedriver,right-clickthe
highlightedadapter.
5.ClickUpdateDriverSoftware,andthenfollowtheinstructionsonthescreen.
OntheWindows8orWindows8.1operatingsystem,dothefollowing:
1.OpenControlPanel.
Note:FordetailedinformationonhowtoopenControlPanelonWindows8andWindows8.1,see
“AccessingControlPanelontheWindows8orWindows8.1operatingsystem”onpage20.
2.ClickHardwareandSound.
3.ClickDeviceManager.Ifyouarepromptedforanadministratorpasswordorconfirmation,typethe
passwordorprovideconfirmation.
4.IfanexclamationmarkisdisplayednexttoanadapternameunderNetworkadapters,youmight
notbeusingthecorrectdriverorthedriverisnotenabled.Toupdatethedriver,right-clickthe
highlightedadapter.
5.ClickUpdateDriverSoftware,andthenfollowtheinstructionsonthescreen.
•Theswitchportandtheadapterhavethesameduplexsetting.
Ifyouconfiguredtheadapterforfullduplex,ensurethattheswitchportisalsoconfiguredforfullduplex.
Settingthewrongduplexmodecandegradeperformance,causedataloss,orresultinlostconnections.
•Youhaveinstalledallnetworkingsoftwarethatisnecessaryforyournetworkenvironment.
CheckwithyourLANadministratorforthenecessarynetworkingsoftware.
Theadapterstopsworkingfornoapparentreason
Symptom:Theadapterstopsworkingfornoapparentreason.
Chapter10.Troubleshootinganddiagnostics113
Action:Thenetworkdriverfilesmaybecorruptormissing.Updatethedriverbyreferringtothe“Solution”
descriptionfortheproceduretomakesurethatthecorrectdevicedriverisinstalled.
TheWakeonLANfeatureisnotworking
Symptom:TheWakeonLAN(WOL)featureisnotworking.
Actions:
•MakesurethatWOLisenabledintheBIOSSetupUtilityprogram.
•Ifitis,checkwithyourLANadministratorforthenecessarysettings.
IfyourcomputerisaGigabitEthernetmodelandyouuseaspeedof1000Mbps,theconnection
failsorerrorsoccur
Symptom:IfyourcomputerisaGigabitEthernetmodelandyouuseaspeedof1000Mbps,theconnection
failsorerrorsoccur.
Actions:
•UseCategory5wiringandmakesurethatthenetworkcableissecurelyconnected.
•Connecttoa1000BASE-Thub/switch(not1000BASE-X).
IfyourcomputerisaGigabitEthernetmodel,itcannotconnecttothenetworkat1000Mbps.Instead,
itconnectsat100Mbps
Symptom:IfyourcomputerisaGigabitEthernetmodel,itcannotconnecttothenetworkat1000Mbps.
Instead,itconnectsat100Mbps.
Actions:
•Tryanothercable.
•Makesurethatthelinkpartnerissettoauto-negotiate.
•Makesurethattheswitchis802.3ab-compliant(gigabitovercopper).
AwirelessLANproblem
Symptom:Youcannotconnectusingthebuilt-inwirelessnetworkingcard.
Actions:
•EnsurethatyourwirelessLANdriveristhelatestversion.ChecktheWebsiteandverifythedriverversion
supportedbyAccessConnectionsisthelatestdocumentedinthereadmefile.
•Ensurethatyourcomputeriswithinrangeofawirelessaccesspoint.
•Ensurethatthewirelessradioisenabledbydouble-clickingtheAccessConnectionsiconintheWindows
notificationarea.
•CheckNetworkName(SSID),andyourencryptioninformation.UseAccessConnectionstoverifythis
case-sensitiveinformation.
AwirelessWANproblem
Message:UnauthorizedWANcardispluggedin-PoweroffandremovetheWANcard.
Action:TheWANcardisnotsupportedonthiscomputer.Removeit.
Note:SomecomputermodelsdonothaveawirelessWAN.
114ThinkCentreM73UserGuide
Bluetoothproblem
Symptom:SounddoesnotcomefromtheBluetoothheadsetorheadphonebutcomesfromthelocal
speakereventhoughtheheadsetorheadphoneisconnectedusingtheHeadsetprofileorAVprofile.
Action:Dothefollowing:
1.Exittheapplicationthatusesthesounddevice(forexample,WindowsMediaPlayer).
2.OpenControlPanel.
Note:FordetailedinformationonhowtoopenControlPanelonWindows8andWindows8.1,see
“AccessingControlPanelontheWindows8orWindows8.1operatingsystem”onpage20.
3.ClickHardwareandSound➙Sound.
4.SelectthePlaybacktab.
5.IfyouareusingtheHeadsetprofile,selectBluetoothHands-freeAudioandclicktheSetDefault
button.IfyouareusingtheAVprofile,selectStereoAudioandclicktheSetDefaultbutton.
6.ClickOKtoclosetheSoundwindow.
Optionproblems
UsethisinformationtodiagnoseproblemswithLenovohardwareoptionsthatdonothavetheirown
troubleshootinginformation.
Selectyoursymptomfromthefollowinglist:
•“Anoptionthatwasjustinstalleddoesnotwork”onpage115
•“Anoptionthatpreviouslyworkeddoesnotworknow”onpage115
Anoptionthatwasjustinstalleddoesnotwork
Symptom:Anoptionthatwasjustinstalleddoesnotwork.
Action:Verifythat:
•Theoptionisdesignedforyourcomputer.
•Youfollowedtheinstallationinstructionssuppliedwiththeoptionandtheinstallationinstructionsprovided
withyourcomputer,andalloptionfiles(suchasdevicedrivers,ifrequired)areinstalledcorrectly.
•Youhavenotloosenedotherinstalledoptionsorcables.
•Iftheoptionisanadapter,youhaveprovidedenoughhardwareresourcesfortheadaptertofunction
correctly.Seethedocumentationsuppliedwiththeadapter(aswellasthedocumentationforanyother
installedadapters)todeterminetheresourcesrequiredforeachadapter.
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,seeChapter11“Gettinginformation,help,andservice”onpage121.
Anoptionthatpreviouslyworkeddoesnotworknow
Symptom:Anoptionthatpreviouslyworkeddoesnotworknow.
Actions:
•Verifythatalloptionhardwareandcableconnectionsaresecure.
•Iftheoptioncomeswithitsowntestinstructions,usethoseinstructionstotesttheoption.
•IfthefailingoptionisaSCSIoption,verifythat:
–ThecablesforallexternalSCSIoptionsareconnectedcorrectly.
Chapter10.Troubleshootinganddiagnostics115
–ThelastoptionineachSCSIchain,ortheendoftheSCSIcable,isterminatedcorrectly.
–AllexternalSCSIoptionsareturnedon.ExternalSCSIoptionsmustbeturnedonbeforethecomputer
isturnedon.Formoreinformation,seeyourSCSIdocumentation.
•Verifythattheoptionandanyrequireddevicedriversareinstalledcorrectly.
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,seeChapter11“Gettinginformation,help,andservice”onpage121.
Performanceandlockupproblems
Poorperformanceandlockupproblemscanbearesultofanyofthefollowing:
•“Insufficientfreeharddiskdrivespace”onpage116
•“Excessivenumberoffragmentedfiles”onpage117
•“Insufficientmemory”onpage117
Makeaselectionfromtheabovelisttofindoutmoreaboutthecorrectiveactionsyoucantake.
Insufficientfreeharddiskdrivespace
Solutions:Freeupharddiskdrivespace.
•CleanoutyourInbox,SentItems,andDeletedItemsfoldersfromyoure-mailapplication.
•CleanupyourCdrive.
1.DependingonyourWindowsversion,dooneofthefollowing:
–ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthenclickComputer.
–ForWindows8:OpenFileExplorer,andthenclickComputer.
–ForWindows8.1:OpenFileExplorer.
–ForWindows10:ClicktheStartbuttontoopentheStartmenu,andthenclickFileExplorer➙
ThisPC.
2.Right-clickyourCdriveandthenclickProperties.
3.Checktheamountoffreespace,andthenclickDiskCleanup.
4.Alistofunnecessaryfilecategoriesisdisplayed.Selecteachfilecategoryyouwanttodelete,
andthenclickOK.
•TurnsomeWindowsfeaturesofforremovesomeunnecessaryprograms.
1.OpenControlPanelbydoingoneofthefollowing:
–ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthenclickControlPanel.
–ForWindows8orWindows8.1:See“AccessingControlPanelontheWindows8orWindows
8.1operatingsystem”onpage20.
–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu,andthenclick
ControlPanel.
2.ViewControlPanelusingLargeiconsorSmallicons,andthenclickProgramsandFeatures.
3.Dooneofthefollowing:
–ToturnsomeWindowsfeaturesoff,clickTurnWindowsfeaturesonoroff.Followthe
instructionsonthescreen.
–Toremovesomeunnecessaryprograms,selecttheprogramyouwanttoremove,andthenclick
Uninstall/ChangeorUninstall.
116ThinkCentreM73UserGuide
Excessivenumberoffragmentedfiles
Solution:UsetheWindowsdiskdefragmentationordiskoptimizationfeaturetocleanupthefiles.
Note:Dependingonthevolumeofthestoragedrivesandamountofdatastoredonthestoragedrives,the
disk-defragmentationprocessmighttakeuptoseveralhours.
1.Closeanyopenprogramsandwindows.
2.DependingonyourWindowsversion,dooneofthefollowing:
•ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthenclickComputer.
•ForWindows8:OpenFileExplorer,andthenclickComputer.
•ForWindows8.1:OpenFileExplorer.
•ForWindows10:ClicktheStartbuttontoopentheStartmenu,andthenclickFileExplorer➙
ThisPC.
3.Right-clickyourCdriveandthenclickProperties.
4.ClicktheToolstab.
5.DependingonyourWindowsversion,dooneofthefollowing:
•ForWindows7:ClickDefragmentnow.
•ForWindows8,Windows8.1,orWindows10:ClickOptimize.Selectthedesireddrive,andthen
clickOptimize.
6.Followtheinstructionsonthescreen.
Insufficientmemory
Symptom:Insufficientmemory
Ingeneral,themorememorythatisinstalled,thebettertheWindowsoperatingsystemruns.
Action:Installadditionalmemory.Forinformationaboutpurchasingmemory,seeChapter11“Getting
information,help,andservice”onpage121.Forstep-by-stepinstructionsoninstallingmemory,see
“Installingorreplacingamemorymodule”onpage39.
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,seeChapter11“Gettinginformation,help,andservice”onpage121.
Printerproblems
Symptom:Theprinterdoesnotwork.
Actions:Verifythat:
1.Theprinteristurnedonandisonline.
2.Paperisloadedcorrectly.
3.Theprintersignalcableissecurelyconnectedtothecorrectparallel,serial,orUSBconnectoronthe
computer.
Note:Non-IEEE-approvedprintersignalcablesmightcauseunpredictableproblems.
1.Anydevicedriversandothersoftwarethatcamewiththeprinterarecorrectlyinstalled.
2.Youhaveassignedtheprinterportcorrectlyinyouroperatingsystem,applicationprogram,orBIOS
settings.FormoreinformationaboutBIOSsettings,seeChapter7“UsingtheSetupUtilityprogram”
onpage89.
Chapter10.Troubleshootinganddiagnostics117
Iftheproblempersists,runthetestsdescribedinthedocumentationthatcomeswithyourprinter.Ifyou
cannotcorrecttheproblem,havethecomputerserviced.SeeChapter11“Gettinginformation,help,and
service”onpage121.
Serialportproblems
Usethisinformationtotroubleshoottheserialportanddevicesattachedtotheserialport.
Symptom:Serialportcannotbeaccessed.
Actions:
•Makesuretheserialcableissecurelyconnectedtotheserialportonthecomputerandtotheserial
device.Iftheserialdevicehasitsownpowercord,makesureitisattachedtoaproperlygrounded
electricaloutlet.
•IftheserialdevicehasitsownOn/Offswitch,makesureitisintheOnposition.
•IftheserialdevicehasanOnlineswitch,makesureitisintheOnlineposition.
•Iftheserialdeviceisaprinter,makesurepaperisloadedcorrectly.
•Verifythatanysoftwaresuppliedwiththeserialdeviceiscorrectlyinstalled.Refertothedocumentation
fortheserial-deviceoption.
•Makesurethattheserial-portadapter,ifyouaddedone,isproperlyinstalledandfirmlyseated.
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,seeChapter11“Gettinginformation,help,andservice”onpage121.
Softwareproblems
Selectyoursymptomfromthefollowinglist:
•“Whenusingasortfeature,datesdonotsortinthecorrectorder”onpage118
•“Softwaredoesnotworkasexpected”onpage118
Whenusingasortfeature,datesdonotsortinthecorrectorder
Symptom:Whenusingasortfeature,datesdonotsortinthecorrectorder.
Action:Somesoftwaredevelopedbeforetheyear2000usedonlythelasttwodigitsofayeartosort
dates,alwaysassumingthefirsttwodigitswere19.Consequently,theseprogramssortdatesoutoforder.
Checkwithyoursoftwaremanufacturertoseeifanyupdatesareavailable.Manysoftwaremanufacturers
makeupdatesavailablefromtheWorldWideWeb.
Softwaredoesnotworkasexpected
Symptom:Softwaredoesnotworkasexpected.
Actions:
•Mostsoftwareprogramshavebuilt-inhelpsystemsthatprovideinstructionsformosttasks.Ifyouare
havingdifficultyperformingaspecifictaskwithinasoftwareprogram,refertothehelpsystemforthat
program.Helpsystemsaretypicallyaccessiblefromamenuorbuttonintheprogram,andfrequently
fromtheF1key.
•IfyouhavedifficultywiththeWindowsoperatingsystemoroneofitscomponents,refertotheWindows
helpsystem.
•Todetermineifproblemsarecausedbynewlyinstalledsoftware,verifythat:
118ThinkCentreM73UserGuide
–Yourcomputerhastheminimummemoryrequirementsneededtousethesoftware.Seethe
informationsuppliedwiththesoftwaretoverifymemoryrequirements.(Ifyoujustinstalledanadapter
ormemory,youmighthaveamemory-addressconflict.)
–Thesoftwareisdesignedtooperateonyourcomputer.
–Othersoftwareworksonyourcomputer.
–Thesoftwareyouareusingworkscorrectlyonanothercomputer.
•Ifyoureceivedanyerrormessageswhileusingthesoftwareprogram,seetheprinteddocumentation
suppliedwiththesoftwareorthehelpsystemforthatsoftwareforadescriptionofthemessagesand
solutionstotheproblem.
•Checkwithyoursoftwaremanufacturertoseeifanyupdatesareavailable.Manysoftwaremanufacturers
makeupdatesavailablefromtheWorldWideWeb.
•Ifthesoftwareprogramusedtoworkcorrectly,butdoesnotworkcorrectlynow,dothefollowing:
1.OpenControlPanelbydoingoneofthefollowing:
–ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthenclickControlPanel.
–ForWindows8orWindows8.1:See“AccessingControlPanelontheWindows8orWindows
8.1operatingsystem”onpage20.
–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu,andthenclick
ControlPanel.
2.ViewControlPanelusingLargeiconsorSmallicons,andthenclickRecovery➙OpenSystem
Restore.
3.Followtheinstructionsonthescreen.
•Ifyouareunabletoresolvetheproblemthroughothermethods,uninstallthesoftwareprogramand
reinstallit.
Iftheseactionsdonotcorrecttheproblem,youmightneedtechnicalassistance.Contactyoursoftware
manufacturerorseeChapter11“Gettinginformation,help,andservice”onpage121fordetails.
USBproblems
Symptom:TheUSBconnectorscannotbeaccessed.
Actions:
•MakesuretheUSBcableissecurelyconnectedtotheUSBconnectorandtotheUSBdevice.IftheUSB
devicehasitsownpowercord,makesureitisattachedtoaproperlygroundedelectricaloutlet.
•IftheUSBdevicehasitsownOn/Offswitch,makesureitisintheOnposition.
•IftheUSBdevicehasanOnlineswitch,makesureitisintheOnlineposition.
•IftheUSBdeviceisaprinter,makesurepaperisloadedcorrectly.
•MakesureanydevicedriversorothersoftwaresuppliedwiththeUSBdeviceiscorrectlyinstalled.
RefertothedocumentationfortheUSBdevice.
•ResetthedevicebydetachingandreattachingtheUSBconnector.
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.IftheUSBdevicecame
withitsowndiagnostics,runthosediagnosticsagainsttheUSBdevice.Ifyouneedtechnicalassistance,
seeChapter11“Gettinginformation,help,andservice”onpage121.
Chapter10.Troubleshootinganddiagnostics119
LenovoSolutionCenter
TheLenovoSolutionCenterprogramenablesyoutotroubleshootandresolvecomputerproblems.It
combinesdiagnostictests,systeminformationcollection,securitystatus,andsupportinformation,along
withhintsandtipsformaximumsystemperformance.
Notes:
•TheLenovoSolutionCenterprogramcanbedownloadedfromhttp://www.lenovo.com/diags.
•IfyouareusingaWindowsoperatingsystemotherthanWindows7,Windows8,Windows8.1,orWindows
10,gotohttp://www.lenovo.com/diagsforthelatestinformationondiagnosticsforyourcomputer.
ToruntheLenovoSolutionCenterprogram,see“Lenovoprograms”onpage5.
Foradditionalinformation,refertotheLenovoSolutionCenterhelpsystem.
Note:Ifyouareunabletoisolateandrepairtheproblemyourselfafterrunningtheprogram,saveandprint
thelogfiles.YouwillneedthelogfileswhenyouspeaktoaLenovotechnicalsupportrepresentative.
120ThinkCentreM73UserGuide
Chapter11.Gettinginformation,help,andservice
Thischaptercontainsinformationabouthelp,service,andtechnicalassistanceforproductsmanufactured
byLenovo.
Informationresources
Youcanusetheinformationinthissectiontoaccessusefulresourcesrelatingtoyourcomputingneeds.
Windowshelpsystem
Note:IfyouusetheonlinehelpforWindows7,Windows8,orWindows8.1,orthehelpforWindows10,
ensurethatyourcomputerisconnectedtotheInternet.
TheWindowshelpsystemprovidesyouwithdetailedinformationaboutusingtheWindowsoperatingsystem.
ToaccesstheWindowshelpsystem,dooneofthefollowing:
•ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthenclickHelpandSupport.Youcan
choosetousetheonlineorofflinehelpatthebottomofthescreen.
•ForWindows8orWindows8.1:Movethepointertothetop-rightorbottom-rightcornerofthescreen
todisplaythecharms.Then,clickSettings➙Help.Youcanchoosetousetheonlineorofflinehelp
atthebottomofthescreen.
•ForWindows10:ClicktheStartbuttontoopentheStartmenu,andthenclickGetstarted.
SafetyandWarranty
TheSafety,Warranty,andSetupGuidethatisprovidedwithyourcomputercontainsinformationonsafety,
setup,warranty,andnotices.Readandunderstandallsafetyinformationbeforeusingthisproduct.
LenovoWebsite
TheLenovoWebsite(http://www.lenovo.com)providesup-to-dateinformationandservicestohelpyoubuy,
upgrade,andmaintainyourcomputer.Youcanalsodothefollowing:
•Shopfordesktopandnotebookcomputers,monitors,projectors,upgradesandaccessoriesforyour
computer,andspecialoffers.
•Purchaseadditionalservices,suchassupportforhardware,operatingsystems,applicationprograms,
networksetupandconfiguration,andcustominstallations.
•Purchaseupgradesandextendedhardwarerepairservices.
•Downloadthelatestdevicedriversandsoftwareupdatesforyourcomputermodel.
•Accesstheonlinemanualsforyourproducts.
•AccesstheLenovoLimitedWarranty.
•Accesstroubleshootingandsupportinformationforyourcomputermodelandothersupportedproducts.
•Findtheserviceandsupportphonenumbersforyourcountryorregion.
•FindaServiceProviderlocatednearyou.
©CopyrightLenovo2013,2016121
LenovoSupportWebsite
TechnicalsupportinformationisavailableontheLenovoSupportWebsiteat:
http://www.lenovo.com/support
ThisWebsiteisupdatedwiththelatestsupportinformationsuchasthefollowing:
•Driversandsoftware
•Diagnosticsolutions
•Productandservicewarranty
•Productandpartsdetails
•Userguidesandmanuals
•Knowledgebaseandfrequentlyaskedquestions
Helpandservice
Thissectioncontainsinformationaboutobtaininghelpandservice.
Usingthedocumentationanddiagnosticprogram
Ifyouexperienceaproblemwithyourcomputer,seeChapter10“Troubleshootinganddiagnostics”on
page103.Forinformationonadditionalresourcestohelpyoutroubleshootyourcomputerproblem,see
“Informationresources”onpage121.
Ifyoususpectasoftwareproblem,seethedocumentationthatcomeswiththeoperatingsystemorsoftware
program,includingreadmefilesandonlinehelp.
Mostcomputerscomewithadiagnosticprogramthatenablesyoutoidentifyhardwareproblems.
YoucanalsogetthelatesttechnicalinformationanddownloaddevicedriversandupdatesfromLenovo
SupportWebsiteat:
http://www.lenovo.com/support
Callingforservice
Duringthewarrantyperiod,youcangethelpandinformationbytelephonethroughtheCustomerSupport
Center.
Thefollowingservicesareavailableduringthewarrantyperiod:
•Problemdetermination-Trainedservicepersonnelareavailabletoassistyouwithdetermininga
hardwareproblemanddecidingwhatactionisnecessarytofixtheproblem.
•Hardwarerepair-Iftheproblemiscausedbyhardwareunderwarranty,trainedservicepersonnelare
availabletoprovidetheapplicablelevelofservice.
•EngineeringChangemanagement-Theremightbechangesthatarerequiredafteraproducthas
beensold.LenovooryourresellerwillmakeselectedEngineeringChanges(ECs)thatapplytoyour
hardwareavailable.
Theseitemsarenotcoveredbythewarranty:
•ReplacementoruseofpartsnotmanufacturedfororbyLenovoornon-warrantedLenovoparts
•Identificationofsoftwareproblemsources
•ConfigurationofBIOSaspartofaninstallationorupgrade
•Changes,modifications,orupgradestodevicedrivers
•Installationandmaintenanceofnetworkoperatingsystems(NOS)
122ThinkCentreM73UserGuide
•Installationandmaintenanceofapplicationprograms
RefertotheSafety,Warranty,andSetupGuidethatcomeswithyourcomputerforinformationaboutyour
warrantytypeandduration.Youmustretainyourproofofpurchasetoobtainwarrantyservice.
ForalistoftheLenovoSupportphonenumbersforyourcountryorregion,goto
http://www.lenovo.com/support/phoneorrefertotheSafety,Warranty,andSetupGuidethatcomeswith
yourcomputer.
Note:Phonenumbersaresubjecttochangewithoutnotice.Ifthenumberforyourcountryorregionisnot
provided,contactyourLenovoresellerorLenovomarketingrepresentative.
Ifpossible,beatyourcomputerwhenyoucall.Havethefollowinginformationavailable:
•Machinetypeandmodel
•Serialnumbersofyourhardwareproducts
•Descriptionoftheproblem
•Exactwordingofanyerrormessages
•Hardwareandsoftwareconfigurationinformation
Usingotherservices
Youmighttravelwithyourcomputerorrelocateittoacountryorregionwherethemachinetypeforyour
desktopornotebookcomputerissold.Insuchasituation,yourcomputermightbeeligibleforInternational
WarrantyService,whichautomaticallyentitlesyoutoobtainwarrantyservicethroughoutthewarrantyperiod.
Servicewillbeperformedbyserviceprovidersauthorizedtoperformwarrantyservice.
Servicemethodsandproceduresvarybycountry,andsomeservicesmightnotbeavailableinallcountries.
InternationalWarrantyServiceisdeliveredthroughthemethodofservice(suchasdepot,carry-in,or
on-siteservice)thatisprovidedintheservicingcountry.Servicecentersincertaincountriesmightnotbe
abletoserviceallmodelsofaparticularmachinetype.Insomecountries,feesandrestrictionsmight
applyatthetimeofservice.
TodeterminewhetheryourcomputeriseligibleforInternationalWarrantyServiceandtoviewalistofthe
countriesorregionswhereserviceisavailable,gotohttp://www.lenovo.com/support.
FortechnicalassistancewiththeinstallationoforquestionsrelatedtoServicePacksforyourpreinstalled
MicrosoftWindowsproduct,gototheMicrosoftProductSupportWebsiteathttp://support.microsoft.com.
YoualsocancontacttheLenovoCustomerSupportCenterforhelp.Somefeesmightapply.
Purchasingadditionalservices
Duringandafterthewarrantyperiod,youcanpurchaseadditionalservices,suchassupportforhardware,
operatingsystems,andapplicationprograms;networksetupandconfiguration;upgradedorextended
hardwarerepairservices;andcustominstallations.Serviceavailabilityandservicenamemightvaryby
countryorregion.Formoreinformationabouttheseservices,gototheLenovoWebsiteat:
http://www.lenovo.com
Chapter11.Gettinginformation,help,andservice123
124ThinkCentreM73UserGuide
AppendixA.Notices
Lenovomaynotoffertheproducts,services,orfeaturesdiscussedinthisdocumentinallcountries.Consult
yourlocalLenovorepresentativeforinformationontheproductsandservicescurrentlyavailableinyour
area.AnyreferencetoaLenovoproduct,program,orserviceisnotintendedtostateorimplythatonlythat
Lenovoproduct,program,orservicemaybeused.Anyfunctionallyequivalentproduct,program,orservice
thatdoesnotinfringeanyLenovointellectualpropertyrightmaybeusedinstead.However,itistheuser's
responsibilitytoevaluateandverifytheoperationofanyotherproduct,program,orservice.
Lenovomayhavepatentsorpendingpatentapplicationscoveringsubjectmatterdescribedinthis
document.Thefurnishingofthisdocumentdoesnotgiveyouanylicensetothesepatents.Youcansend
licenseinquiries,inwriting,to:
Lenovo(UnitedStates),Inc.
1009ThinkPlace-BuildingOne
Morrisville,NC27560
U.S.A.
Attention:LenovoDirectorofLicensing
LENOVOPROVIDESTHISPUBLICATION“ASIS”WITHOUTWARRANTYOFANYKIND,EITHEREXPRESS
ORIMPLIED,INCLUDING,BUTNOTLIMITEDTO,THEIMPLIEDWARRANTIESOFNON-INFRINGEMENT,
MERCHANTABILITYORFITNESSFORAPARTICULARPURPOSE.Somejurisdictionsdonotallow
disclaimerofexpressorimpliedwarrantiesincertaintransactions,therefore,thisstatementmaynotapply
toyou.
Thisinformationcouldincludetechnicalinaccuraciesortypographicalerrors.Changesareperiodically
madetotheinformationherein;thesechangeswillbeincorporatedinneweditionsofthepublication.
Lenovomaymakeimprovementsand/orchangesintheproduct(s)and/ortheprogram(s)describedinthis
publicationatanytimewithoutnotice.
Theproductsdescribedinthisdocumentarenotintendedforuseinimplantationorotherlifesupport
applicationswheremalfunctionmayresultininjuryordeathtopersons.Theinformationcontainedinthis
documentdoesnotaffectorchangeLenovoproductspecificationsorwarranties.Nothinginthisdocument
shalloperateasanexpressorimpliedlicenseorindemnityundertheintellectualpropertyrightsofLenovo
orthirdparties.Allinformationcontainedinthisdocumentwasobtainedinspecificenvironmentsandis
presentedasanillustration.Theresultobtainedinotheroperatingenvironmentsmayvary.
Lenovomayuseordistributeanyoftheinformationyousupplyinanywayitbelievesappropriatewithout
incurringanyobligationtoyou.
Anyreferencesinthispublicationtonon-LenovoWebsitesareprovidedforconvenienceonlyanddonotin
anymannerserveasanendorsementofthoseWebsites.ThematerialsatthoseWebsitesarenotpartof
thematerialsforthisLenovoproduct,anduseofthoseWebsitesisatyourownrisk.
Anyperformancedatacontainedhereinwasdeterminedinacontrolledenvironment.Therefore,theresult
obtainedinotheroperatingenvironmentsmayvarysignificantly.Somemeasurementsmayhavebeen
madeondevelopment-levelsystemsandthereisnoguaranteethatthesemeasurementswillbethesame
ongenerallyavailablesystems.Furthermore,somemeasurementsmayhavebeenestimatedthrough
extrapolation.Actualresultsmayvary.Usersofthisdocumentshouldverifytheapplicabledatafortheir
specificenvironment.
©CopyrightLenovo2013,2016125
Trademarks
ThefollowingtermsaretrademarksofLenovointheUnitedStates,othercountries,orboth:
Lenovo
RescueandRecovery
TheLenovologo
TheThinkCentrelogo
ThinkCentre
ThinkVantage
Microsoft,Windows,andWindowsMediaaretrademarksoftheMicrosoftgroupofcompanies.
DisplayPortisaTrademarkoftheVideoElectronicsStandardsAssociation.
LinuxisaregisteredtrademarkofLinusTorvalds.
Othercompany,product,orservicenamesmaybetrademarksorservicemarksofothers.
126ThinkCentreM73UserGuide
AppendixB.Regulatoryinformation
Thelatestcomplianceinformationisavailableathttp://www.lenovo.com/compliance.
Exportclassificationnotice
ThisproductissubjecttotheUnitedStatesExportAdministrationRegulations(EAR)andhasanExport
ClassificationControlNumber(ECCN)of5A992.c.Itcanbere-exportedexcepttoanyoftheembargoed
countriesintheEARE1countrylist.
Televisionoutputnotice
Thefollowingnoticeappliestomodelsthathavethefactory-installedtelevision-outputfeature.
ThisproductincorporatescopyrightprotectiontechnologythatisprotectedbymethodclaimsofcertainU.S.
patentsandotherintellectualpropertyrightsownedbyMacrovisionCorporationandotherrightsowners.
UseofthiscopyrightprotectiontechnologymustbeauthorizedbyMacrovisionCorporation,andisintended
forhomeandotherlimitedviewingusesonlyunlessotherwiseauthorizedbyMacrovisionCorporation.
Reverseengineeringordisassemblyisprohibited.
Electronicemissionsnotices
ThefollowinginformationreferstoLenovopersonalcomputermachinetypes10B4,10B5,10B6,10B7,
10HL,and10HM.
FederalCommunicationsCommissionDeclarationofConformity
ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice,pursuant
toPart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainstharmful
interferenceinaresidentialinstallation.Thisequipmentgenerates,uses,andcanradiateradiofrequency
energyand,ifnotinstalledandusedinaccordancewiththeinstructions,maycauseharmfulinterference
toradiocommunications.However,thereisnoguaranteethatinterferencewillnotoccurinaparticular
installation.Ifthisequipmentdoescauseharmfulinterferencetoradioortelevisionreception,whichcanbe
determinedbyturningtheequipmentoffandon,theuserisencouragedtotrytocorrecttheinterferenceby
oneormoreofthefollowingmeasures:
•Reorientorrelocatethereceivingantenna.
•Increasetheseparationbetweentheequipmentandreceiver.
•Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiverisconnected.
•Consultanauthorizeddealerorservicerepresentativeforhelp.
Lenovoisnotresponsibleforanyradioortelevisioninterferencecausedbyusingotherthanspecifiedor
recommendedcablesandconnectorsorbyunauthorizedchangesormodificationstothisequipment.
Unauthorizedchangesormodificationscouldvoidtheuser'sauthoritytooperatetheequipment.
ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothefollowingtwoconditions:(1)
thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemustacceptanyinterferencereceived,
includinginterferencethatmaycauseundesiredoperation.
©CopyrightLenovo2013,2016127
ResponsibleParty:
Lenovo(UnitedStates)Incorporated
1009ThinkPlace-BuildingOne
Morrisville,NC27560
PhoneNumber:919-294-5900
IndustryCanadaClassBemissioncompliancestatement
CANICES-3(B)/NMB-3(B)
EuropeanUnion-CompliancetoDirectivesforITE(InformationT echnologyEquipment)andRadio
Equipment
Modelswithoutaradiodevice:ThisproductisinconformitywiththeprotectionrequirementsofEUCouncil
Directive2004/108/EC(until19April,2016)andCouncilDirective2014/30/EU(from20April,2016)onthe
approximationofthelawsoftheMemberStatesrelatingtoelectromagneticcompatibility.
Modelswitharadiodevice:Thisproductisinconformitywithalltherequirementsandessentialnormsthat
applytoEUCouncilR&TTEDirective1999/5/EContheapproximationofthelawsoftheMemberStates
relatingtoradioequipment.
Lenovocannotacceptresponsibilityforanyfailuretosatisfytheprotectionrequirementsresultingfrom
anon-recommendedmodificationoftheproduct,includingtheinstallationofoptioncardsfromother
manufacturers.ThisproducthasbeentestedandfoundtocomplywiththelimitsforClassBequipment
accordingtoEuropeanStandardsharmonizedintheDirectivesincompliance.ThelimitsforClassB
equipmentwerederivedfortypicalresidentialenvironmentstoprovidereasonableprotectionagainst
interferencewithlicensedcommunicationdevices.
Lenovo,Einsteinova21,85101Bratislava,Slovakia
GermanClassBcompliancestatement
DeutschsprachigerEUHinweis:
HinweisfürGerätederKlasseBEURichtliniezurElektromagnetischenVerträglichkeit
DiesesProduktentsprichtdenSchutzanforderungenderEURichtlinie2014/30/EU(früher2004/108/EC)zur
AngleichungderRechtsvorschriftenüberdieelektromagnetischeVerträglichkeitindenEU-Mitgliedsstaaten
undhältdieGrenzwertederKlasseBderNormgemäßRichtlinie.
Umdiesessicherzustellen,sinddieGerätewieindenHandbüchernbeschriebenzuinstallierenundzu
betreiben.DesWeiterendürfenauchnurvonderLenovoempfohleneKabelangeschlossenwerden.
LenovoübernimmtkeineVerantwortungfürdieEinhaltungderSchutzanforderungen,wenndasProdukt
ohneZustimmungderLenovoverändertbzw.wennErweiterungskomponentenvonFremdherstellernohne
EmpfehlungderLenovogesteckt/eingebautwerden.
Deutschland:
128ThinkCentreM73UserGuide
EinhaltungdesGesetzesüberdieelektromagnetischeVerträglichkeitvonBetriebsmitteln
DiesesProduktentsprichtdem„GesetzüberdieelektromagnetischeVerträglichkeitvonBetriebsmitteln“
EMVG(früher„GesetzüberdieelektromagnetischeVerträglichkeitvonGeräten“).DiesistdieUmsetzungder
EMVEURichtlinie2014/30/EU(früher2004/108/EWG)inderBundesrepublikDeutschland.
ZulassungsbescheinigunglautdemDeutschenGesetzüberdieelektromagnetischeVerträglichkeit
vonBetriebsmitteln,EMVGvom20.Juli2007(früherGesetzüberdieelektromagnetische
VerträglichkeitvonGeräten),bzw.derEMVEURichtlinie2014/30/EU(früher2004/108/EC),für
GerätederKlasseB.
DiesesGerätistberechtigt,inÜbereinstimmungmitdemDeutschenEMVGdasEG-Konformitätszeichen
-CE-zuführen.VerantwortlichfürdieKonformitätserklärungnachParagraf5desEMVGistdieLenovo
(Deutschland)GmbH,Meitnerstr.9,D-70563Stuttgart.
InformationeninHinsichtEMVGParagraf4Abs.(1)4:
DasGeräterfülltdieSchutzanforderungennachEN55024undEN55022KlasseB.
KoreaClassBcompliancestatement
JapanVCCIClassBcompliancestatement
Japancompliancestatementforproductswhichconnecttothepowermainswithratedcurrent
lessthanorequalto20Aperphase
Japannoticeforacpowercord
Theacpowercordshippedwithyourproductcanbeusedonlyforthisspecificproduct.Donotusetheac
powercordforotherdevices.
LenovoproductserviceinformationforTaiwan
KeyboardandmousecompliancestatementforTaiwan
AppendixB.Regulatoryinformation129
Eurasiancompliancemark
Brazilaudionotice
Ouvirsonscommaisde85decibéisporlongosperíodospodeprovocardanosaosistemaauditivo.
Mexicowireless-radiocomplianceinformation
Advertencia:EnMexicolaoperacióndeesteequipoestásujetaalassiguientesdoscondiciones:(1)es
posiblequeesteequipoodispositivonocauseinterferenciaperjudicialy(2)esteequipoodispositivodebe
aceptarcualquierinterferencia,incluyendolaquepuedacausarsuoperaciónnodeseada.
Additionalregulatoryinformation
Foradditionalregulatoryinformation,refertotheRegulatoryNoticeshippedwithyourcomputer.Depending
ontheconfigurationofyourcomputerandthecountryorregionwherethecomputerwaspurchased,
youmighthavereceivedadditionalprintedregulatorynotices.Allregulatorynoticesareavailableonthe
LenovoSupportWebsiteinelectronicformat.Toaccesselectroniccopiesofthedocumentation,goto
http://www.lenovo.com/supportandclickUserGuidesandManuals.
130ThinkCentreM73UserGuide
AppendixC.WEEEandrecyclinginformation
Lenovoencouragesownersofinformationtechnology(IT)equipmenttoresponsiblyrecycletheir
equipmentwhenitisnolongerneeded.Lenovooffersavarietyofprogramsandservicestoassist
equipmentownersinrecyclingtheirITproducts.ForinformationonrecyclingLenovoproducts,goto
http://www.lenovo.com/recycling.Thelatestenvironmentalinformationaboutourproductsisavailableat
http://www.lenovo.com/ecodeclaration.
ImportantWEEEinformation
TheWEEEmarkingonLenovoproductsappliestocountrieswithWEEEande-wasteregulations(for
example,theEuropeanWEEEDirective,IndiaE-WasteManagement&HandlingRules,2011).Appliancesare
labeledinaccordancewithlocalregulationsconcerningwasteelectricalandelectronicequipment(WEEE).
Theseregulationsdeterminetheframeworkforthereturnandrecyclingofusedappliancesasapplicable
withineachgeography.Thislabelisappliedtovariousproductstoindicatethattheproductisnottobe
thrownaway,butratherputintheestablishedcollectionsystemsforreclaimingtheseendoflifeproducts.
Usersofelectricalandelectronicequipment(EEE)withtheWEEEmarkingmustnotdisposeofendoflife
EEEasunsortedmunicipalwaste,butusethecollectionframeworkavailabletothemforthereturn,recycle,
andrecoveryofWEEEandtominimizeanypotentialeffectsofEEEontheenvironmentandhumanhealth
duetothepresenceofhazardoussubstances.Lenovoelectricalandelectronicequipment(EEE)maycontain
partsandcomponents,whichatend-of-lifemightqualifyashazardouswaste.
EEEandwasteelectricalandelectronicequipment(WEEE)canbedeliveredfreeofchargetotheplaceof
saleoranydistributorthatsellselectricalandelectronicequipmentofthesamenatureandfunctionas
theusedEEEorWEEE.
ForadditionalWEEEinformation,goto:
http://www.lenovo.com/recycling
WEEEinformationforHungary
Lenovo,asaproducer,bearsthecostincurredinconnectionwiththefulfillmentofLenovo’sobligations
underHungaryLawNo.197/2014(VIII.1.)subsections(1)-(5)ofsection12.
RecyclinginformationforJapan
CollectingandrecyclingadisusedLenovocomputerormonitor
IfyouareacompanyemployeeandneedtodisposeofaLenovocomputerormonitorthatistheproperty
ofthecompany,youmustdosoinaccordancewiththeLawforPromotionofEffectiveUtilizationof
Resources.Computersandmonitorsarecategorizedasindustrialwasteandshouldbeproperlydisposed
ofbyanindustrialwastedisposalcontractorcertifiedbyalocalgovernment.InaccordancewiththeLaw
©CopyrightLenovo2013,2016131
forPromotionofEffectiveUtilizationofResources,LenovoJapanprovides,throughitsPCCollecting
andRecyclingServices,forthecollecting,reuse,andrecyclingofdisusedcomputersandmonitors.For
details,visittheLenovoWebsiteathttp://www.lenovo.com/recycling/japan.PursuanttotheLawfor
PromotionofEffectiveUtilizationofResources,thecollectingandrecyclingofhome-usedcomputers
andmonitorsbythemanufacturerwasbegunonOctober1,2003.Thisserviceisprovidedfreeof
chargeforhome-usedcomputerssoldafterOctober1,2003.Fordetails,visittheLenovoWebsiteat
http://www.lenovo.com/recycling/japan.
DisposingofLenovocomputercomponents
SomeLenovocomputerproductssoldinJapanmayhavecomponentsthatcontainheavymetalsorother
environmentalsensitivesubstances.Toproperlydisposeofdisusedcomponents,suchasaprintedcircuit
boardordrive,usethemethodsdescribedaboveforcollectingandrecyclingadisusedcomputerormonitor.
DisposingofdisusedlithiumbatteriesfromLenovocomputers
Abutton-shapedlithiumbatteryisinstalledinsideyourLenovocomputertoprovidepowertothecomputer
clockwhilethecomputerisoffordisconnectedfromthemainpowersource.Ifyouneedtoreplaceitwitha
newone,contactyourplaceofpurchaseorcontactLenovoforservice.Ifyouneedtodisposeofadisused
lithiumbattery,insulateitwithvinyltape,contactyourplaceofpurchaseoranindustrial-waste-disposal
operator,andfollowtheirinstructions.Disposalofalithiumbatterymustcomplywithlocalordinances
andregulations.
RecyclinginformationforBrazil
DeclaraçõesdeReciclagemnoBrasil
DescartedeumProdutoLenovoForadeUso
Equipamentoselétricoseeletrônicosnãodevemserdescartadosemlixocomum,masenviadosàpontosde
coleta,autorizadospelofabricantedoprodutoparaquesejamencaminhadoseprocessadosporempresas
especializadasnomanuseioderesíduosindustriais,devidamentecertificadaspelosorgãosambientais,de
acordocomalegislaçãolocal.
ALenovopossuiumcanalespecíficoparaauxiliá-lonodescartedessesprodutos.Casovocêpossua
umprodutoLenovoemsituaçãodedescarte,ligueparaonossoSACouencaminheume-mailpara:
reciclar@lenovo.com,informandoomodelo,númerodesérieecidade,afimdeenviarmosasinstruções
paraocorretodescartedoseuprodutoLenovo.
BatteryrecyclinginformationforTaiwan
132ThinkCentreM73UserGuide
BatteryrecyclinginformationfortheEuropeanUnion
Notice:ThismarkappliesonlytocountrieswithintheEuropeanUnion(EU).
BatteriesorpackagingforbatteriesarelabeledinaccordancewithEuropeanDirective2006/66/EC
concerningbatteriesandaccumulatorsandwastebatteriesandaccumulators.TheDirectivedeterminesthe
frameworkforthereturnandrecyclingofusedbatteriesandaccumulatorsasapplicablethroughoutthe
EuropeanUnion.Thislabelisappliedtovariousbatteriestoindicatethatthebatteryisnottobethrown
away,butratherreclaimeduponendoflifeperthisDirective.
InaccordancewiththeEuropeanDirective2006/66/EC,batteriesandaccumulatorsarelabeledtoindicate
thattheyaretobecollectedseparatelyandrecycledatendoflife.Thelabelonthebatterymayalso
includeachemicalsymbolforthemetalconcernedinthebattery(Pbforlead,Hgformercury,andCdfor
cadmium).Usersofbatteriesandaccumulatorsmustnotdisposeofbatteriesandaccumulatorsasunsorted
municipalwaste,butusethecollectionframeworkavailabletocustomersforthereturn,recycling,and
treatmentofbatteriesandaccumulators.Customerparticipationisimportanttominimizeanypotential
effectsofbatteriesandaccumulatorsontheenvironmentandhumanhealthduetothepotentialpresenceof
hazardoussubstances.
Beforeplacingelectricalandelectronicequipment(EEE)inthewastecollectionstreamorinwastecollection
facilities,theenduserofequipmentcontainingbatteriesand/oraccumulatorsmustremovethosebatteries
andaccumulatorsforseparatecollection.
DisposingoflithiumbatteriesandbatterypacksfromLenovoproducts
Acoin-celltypelithiumbatterymightbeinstalledinsideyourLenovoproduct.Youcanfinddetailsaboutthe
batteryintheproductdocumentation.Ifthebatteryneedstobereplaced,contactyourplaceofpurchaseor
contactLenovoforservice.Ifyouneedtodisposeofalithiumbattery,insulateitwithvinyltape,contact
yourplaceofpurchaseorawaste-disposaloperator,andfollowtheirinstructions.
DisposingofbatterypacksfromLenovoproducts
YourLenovodevicemightcontainalithium-ionbatterypackoranickelmetalhydridebatterypack.Youcan
finddetailsonthebatterypackintheproductdocumentation.Ifyouneedtodisposeofabatterypack,
insulateitwithvinyltape,contactLenovosales,service,oryourplaceofpurchase,orawaste-disposal
operator,andfollowtheirinstructions.Youalsocanrefertotheinstructionsprovidedinthemanualsfor
yourproduct.
Forpropercollectionandtreatment,goto:
http://www.lenovo.com/lenovo/environment
AppendixC.WEEEandrecyclinginformation133
134ThinkCentreM73UserGuide
AppendixD.RestrictionofHazardousSubstances(RoHS)
Directive
Thelatestenvironmentalinformationisavailableathttp://www.lenovo.com/ecodeclaration.
EuropeanUnionRoHS
ThisLenovoproduct,withincludedparts(cables,cords,andsoon)meetstherequirementsofDirective
2011/65/EUontherestrictionoftheuseofcertainhazardoussubstancesinelectricalandelectronic
equipment(“RoHSrecast”or“RoHS2”).
FormoreinformationaboutLenovoworldwidecomplianceonRoHS,goto:
http://www.lenovo.com/social_responsibility/us/en/RoHS_Communication.pdf
TurkishRoHS
TheLenovoproductmeetstherequirementsoftheRepublicofTurkeyDirectiveontheRestrictionoftheUse
ofCertainHazardousSubstancesinWasteElectricalandElectronicEquipment(WEEE).
UkraineRoHS
IndiaRoHS
RoHScompliantasperE-Waste(Management&Handling)Rules,2011.
©CopyrightLenovo2013,2016135
ChinaRoHS
TaiwanRoHS
136ThinkCentreM73UserGuide
AppendixE.ChinaEnergyLabel
©CopyrightLenovo2013,2016137
138ThinkCentreM73UserGuide
AppendixF.ENERGYSTARmodelinformation
ENERGYSTAR®isajointprogramoftheU.S.EnvironmentalProtectionAgencyandtheU.S.Department
ofEnergyaimedatsavingmoneyandprotectingtheenvironmentthroughenergyefficientproductsand
practices.
LenovoisproudtoofferourcustomersproductswithanENERGYSTARcompliantdesignation.Some
modelsofthefollowingmachinetypeshavebeendesignedandtestedtoconformtotheENERGYSTAR
programrequirementforcomputersatthetimeofmanufacture:10B4,10B5,10HL,and10HM.Formore
informationaboutENERGYSTARratingsforLenovocomputers,gotohttp://www.lenovo.com.
ByusingENERGYSTARcompliantproductsandtakingadvantageofthepower-managementfeaturesof
yourcomputer,youreducetheconsumptionofelectricity.Reducedelectricalconsumptioncontributesto
potentialfinancialsavings,acleanerenvironment,andthereductionofgreenhousegasemissions.
FormoreinformationaboutENERGYSTAR,goto:
http://www.energystar.gov
Lenovoencouragesyoutomakeefficientuseofenergyanintegralpartofyourday-to-dayoperations.To
helpinthisendeavor,setthefollowingpower-managementfeaturestotakeeffectwhenyourcomputerhas
beeninactiveforaspecifiedduration:
Table1.ENERGYSTARpower-managementfeatures
Windows7,Windows8,Windows8.1,orWindows10operatingsystem
Powerplan:ThinkCentre®Default
•Turnoffthedisplay:After10minutes
•Putthecomputertosleep:After25minutes
•Advancedpowersettings:
–Turnoffharddiskdrives:After20minutes
–Hibernate:Never
ToawakenyourcomputerfromaSleepmode,pressanykeyonyourkeyboard.
Tochangepowersettings,dothefollowing:
1.OpenControlPanelbydoingoneofthefollowing:
•ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthenclickControlPanel.
•ForWindows8orWindows8.1:See“AccessingControlPanelontheWindows8orWindows
8.1operatingsystem”onpage20.
•ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu,andthenclickControl
Panel.
2.ViewControlPanelusingLargeiconsorSmallicons,andthenclickPowerOptions.
©CopyrightLenovo2013,2016139
3.Followtheinstructionsonthescreen.
140ThinkCentreM73UserGuide
Index
A
arescuemedium,creatingandusing82
accessing
systemboardcomponentsanddrives38
Administrator,password90
audioline-inconnector10
audioline-outconnector10
audiosubsystem1
B
backupandrecoveryoperations80
basictroubleshooting103
battery,replacing43
boot-blockrecovery95
C
cablelock,security33
cables,connecting77
changing
password90
startupdevicesequence92
cleaninganopticalmouse99
CMOS,clearing91
components,internal12
computercover
opening36
connector10
connectors
rear10
connectors,controls,indicators
front9
considerations,passwords90
creating
andusingarescuemedium82
creatingandusing
recoverymedia79
CRU
completingtheinstallation77
customersupportcenter122
D
deletingapassword90
Description10
devicedrivers78
devices,handlingstatic-sensitive35
diagnosticsprogram,using122
diagnostics,troubleshooting103
DisplayPortconnector11
documentation,using122
drivers,device78
drives
bays14
specifications14
E
environment,operating5
Ethernet2
Ethernetconnector11
exiting,SetupUtility94
expansion3
externaloptions,installing35
F
failure,recoveringfromPOST/BIOS95
features1
front
connectors,controls,indicators9
frontaudioandUSBassembly,replacing63
frontbezel
removing,reinstalling36
frontWiFiantenna,installing,removing73
G
getting
help121
information121
service121
H
harddiskdrive,replacing44
heatsinkandfanassembly
replacing54
help
andservice122
getting121
I
importantsafetyinformationv
information
getting121
importantsafetyv
resources121
safety121
warranty121
Input/Output(I/O)features3
installingoptions
memorymodule39
PCIExpresscard41
internaldrives1
©CopyrightLenovo2013,2016141
K
Kensington-style
cablelock33
keyboard
replacing75
keyboardconnector11
L
LenovoSolutionCenter120
locatingcomponents12
M
media,creatingandusingrecoverymedia79
memorymodule
installing,replacing39
systemboard39
Microphoneconnector11
microprocessor
replacing61
mouse
replacing76
mouseconnector11
N
notices125
O
openingcomputercover36
operations,backupandrecovery80
opticaldrive,installingorreplacing51
opticalmouse
cleaning99
P
partsreplacement,completing77
password
Administrator90
considerations90
Power-OnPassword90
setting,changing,deleting90
passwords
erasing91
lostorforgotten91
passwords,using89
PCIExpresscard41
installing,replacing41
physicalspecifications5
power
features3
powersupplyassembly
replacing57
power-onself-test(POST)95
Power-On,Password90
programs,updatingsystem95
purchasingadditionalservices123
R
rearconnectors10
rearWiFiantenna,installing,removing71
recovering
fromaPOST/BIOSupdatefailure95
software79
recovery
boot-block95
operations,backupand80
problems,solving84
recoverymedia,creatingandusing79
removing,reinstalling
frontbezel36
replacing
battery43
harddiskdrive44
heatsinkandfanassembly54
keyboard75
microprocessor61
mouse76
powersupplyassembly57
solid-statedrive46
systemfanassembly64
RescueandRecovery79
workspace,RescueandRecovery81
RescueandRecoveryworkspace81
resources,information121
S
safetyv
safetyinformation121
security
enablingordisabling91
features3
selecting
startupdevice91
temporarystartupdevice92
serialport11
service
andhelp122
customersupportcenter122
getting121
services
other123
purchasingadditional123
setting
password90
settings
changing89
viewing89
SetupUtility89
SetupUtilityprogram,starting89
SetupUtility,exiting94
software
recovering79
solid-statedrive,replacing46
142ThinkCentreM73UserGuide
solvingrecoveryproblems84
startingtheSetupUtilityprogram89
startupdevice91
sequence,changing92
temporary,selecting92
static-sensitivedevices,handling35
system
management2
programs95
systemboard
connectors13
locatingparts13
locations13
memorymodule39
systemboardcomponentsanddrives
accessing38
systemfanassembly
replacing64
T
temporarystartupdevice92
trademarks126
troubleshooting,basic103
troubleshooting,diagnostics103
U
updating
systemprograms95
USB2.0connector11
USB3.0connector11
using
arescuemedium,creatingand82
diagnosticprogram122
documentation122
otherservices123
passwords89
SetupUtility89
V
VGAconnector11
videosubsystem1
viewingandchangingsettings89
W
warrantyinformation121
WiFiunits,WiFiadaptercard,WiFicardmodule,WiFi
antennacable,replacing66
workspace,backupandrecovery81
©CopyrightLenovo2013,2016143
144ThinkCentreM73UserGuide
