Lenovo M93Z Hmm User Manual All In One (Think Centre) Type 10AF
M93Z Hmm Hardware Maintenance Manual (HMM) - ThinkCentre M93z M93z All-in-One (ThinkCentre) - Type 10AF m93z_hmm ThinkCentre M93z, 10AF
1970-01-01
User Manual: Lenovo M93Z Hmm M93z All-in-One (ThinkCentre) - Type 10AF ThinkCentre M93z, 10AF
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- Chapter 1. About this manual
- Chapter 2. Safety information
- Chapter 3. General information
- Chapter 4. General checkout
- Chapter 5. Troubleshooting and diagnostics
- Chapter 6. Using the Setup Utility program
- Starting the Setup Utility program
- Viewing and changing settings
- Using passwords
- Enabling or disabling a device
- Selecting a startup device
- Enabling ErP LPS compliance mode
- ICE performance mode
- ICE thermal alert
- Changing the BIOS settings before installing a new operating system
- Exiting the Setup Utility program
- Chapter 7. Symptom-to-FRU index
- Chapter 8. Locations
- Chapter 9. Replacing FRUs
- Handling static-sensitive devices
- Installing or replacing hardware
- Installing external options
- Installing the monitor stand
- Removing the computer cover
- Removing and reinstalling the frame foot
- Removing and reinstalling the rear I/O assembly
- Installing or replacing a memory module
- Replacing the hard disk drive
- Replacing the optical drive
- Replacing the converter board
- Replacing the heat sink
- Replacing the microprocessor
- Replacing the internal speakers
- Replacing the thermal sensor
- Replacing the cover presence switch (also called intrusion switch)
- Replacing the integrated camera
- Replacing the WiFi card
- Replacing the ambient light sensor
- Replacing the card reader
- Replacing the mSATA solid-state drive or mini PCI Express x1 card
- Replacing the ExpressCard
- Replacing the heat sink and fan assembly for GPU
- Replacing the rear PS/2 connectors and serial port assembly
- Replacing the battery
- Replacing the power supply assembly
- Replacing the microprocessor fan
- Replacing the LCD panel
- Replacing the system board
- Replacing the touch panel control boards
- Replacing the power switch and control button board
- Replacing the WiFi antennas
- Completing the parts replacement
- Chapter 10. Additional Service Information
- Appendix A. Notices
- Index
ThinkCentreM93z
HardwareMaintenanceManual
MachineTypes:10AC,10AD,10AEand10AF
Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandChapter2
“Safetyinformation”onpage3andAppendixA“Notices”onpage133.
SecondEdition(June2014)
©CopyrightLenovo2013,2014.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministration
“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.GS-35F-05925.
Contents
Chapter1.Aboutthismanual......1
ImportantSafetyInformation..........1
Chapter2.Safetyinformation......3
Generalsafety................3
Electricalsafety...............3
Safetyinspectionguide............5
Handlingelectrostaticdischarge-sensitive
devices..................5
Groundingrequirements............6
Tip-overhazardpreventionnotice........6
Safetynotices(multi-lingualtranslations).....6
Chapter3.Generalinformation....29
Specifications...............29
Lenovoprograms.............30
AccessingLenovoprogramsontheWindows
7operatingsystem...........30
AccessingLenovoprogramsontheWindows
8orWindows8.1operatingsystem....31
LenovoSupportWebsite..........31
Chapter4.Generalcheckout.....33
Problemdeterminationtips..........33
Chapter5.Troubleshootingand
diagnostics..............35
Basictroubleshooting............35
AccessingControlPanelontheWindows8
operatingsystem..............35
Troubleshootingprocedure..........36
Troubleshooting..............36
Audioproblems............37
CDproblems.............38
DVDproblems.............39
Intermittentproblems..........40
Harddiskdriveproblems.........41
Keyboard,mouse,orpointingdevice
problems...............41
Monitorproblems............43
Networkingproblems..........45
Optionproblems............48
Performanceandlockupproblems.....49
Printerproblems............51
Serialportproblems...........51
Softwareproblems...........52
USBproblems.............53
Diagnostics................53
LenovoSolutionCenter.........53
UEFIdiagnosticprogram.........54
Chapter6.UsingtheSetupUtility
program................55
StartingtheSetupUtilityprogram.......55
Viewingandchangingsettings........55
Usingpasswords..............55
Passwordconsiderations.........56
Power-OnPassword..........56
AdministratorPassword.........56
HardDiskPassword...........56
Setting,changing,anddeletingapassword.56
Erasinglostorforgottenpasswords(clearing
CMOS)................57
Enablingordisablingadevice........57
Selectingastartupdevice..........58
Selectingatemporarystartupdevice....58
Selectingorchangingthestartupdevice
sequence...............58
EnablingErPLPScompliancemode......58
ICEperformancemode...........59
ICEthermalalert..............59
ChangingtheBIOSsettingsbeforeinstallinganew
operatingsystem..............60
ExitingtheSetupUtilityprogram.......60
Chapter7.Symptom-to-FRUindex..61
Harddiskdrivebooterror..........61
PowerSupplyProblems...........61
Beepsymptoms..............61
POSTerrorcodes.............62
Miscellaneouserrorconditions........63
Undeterminedproblems...........65
Chapter8.Locations.........67
Locatingconnectors,controls,andindicatorson
thefrontofyourcomputer..........67
Usingyourcomputerinmonitormode...68
AccessingtheOnScreenDisplay(OSD)...68
Locatingconnectorsontherearofyour
computer.................70
LocatingmajorFRUsandCRUs........71
LookingupFRUinformation.........74
Locatingpartsonthesystemboard......74
Adjustingtheframestand..........76
Adjustingthemonitorstand.........77
Machinetypeandmodellabel........79
©CopyrightLenovo2013,2014i
Chapter9.ReplacingFRUs......81
Handlingstatic-sensitivedevices.......81
Installingorreplacinghardware........81
Installingexternaloptions........81
Installingthemonitorstand........82
Removingthecomputercover.......84
Removingandreinstallingtheframefoot..85
RemovingandreinstallingtherearI/O
assembly...............86
Installingorreplacingamemorymodule...87
Replacingtheharddiskdrive.......88
Replacingtheopticaldrive........90
Replacingtheconverterboard.......91
Replacingtheheatsink.........92
Replacingthemicroprocessor.......94
Replacingtheinternalspeakers......97
Replacingthethermalsensor.......98
Replacingthecoverpresenceswitch(also
calledintrusionswitch)..........100
Replacingtheintegratedcamera......103
ReplacingtheWiFicard.........104
Replacingtheambientlightsensor.....106
Replacingthecardreader........107
ReplacingthemSATAsolid-statedriveormini
PCIExpressx1card...........108
ReplacingtheExpressCard........110
Replacingtheheatsinkandfanassemblyfor
GPU.................111
ReplacingtherearPS/2connectorsandserial
portassembly.............112
Replacingthebattery..........114
Replacingthepowersupplyassembly...115
Replacingthemicroprocessorfan.....116
ReplacingtheLCDpanel.........118
Replacingthesystemboard.......119
Replacingthetouchpanelcontrolboards..122
Replacingthepowerswitchandcontrolbutton
board................123
ReplacingtheWiFiantennas.......124
Completingthepartsreplacement.....126
Chapter10.AdditionalService
Information.............129
Securityfeatures..............129
HardwarecontrolledPasswords......129
Operatingsystempassword.......129
Vitalproductdata............129
BIOSlevels................129
Flashupdateprocedures..........129
Updating(flashing)theBIOSfromadisc....130
Updating(flashing)theBIOSfromyouroperating
system..................131
RecoveringfromaPOST/BIOSupdatefailure..131
Powermanagement............132
Advancedconfigurationandpowerinterface
(ACPI)BIOS..............132
AutomaticPower-onfeatures.......132
AppendixA.Notices.........133
Televisionoutputnotice...........134
EuropeanconformanceCEmark.......134
Trademarks................134
Index.................135
iiThinkCentreM93zHardwareMaintenanceManual
Chapter1.Aboutthismanual
ThismanualprovidesserviceandreferenceinformationforThinkCentre®computerslistedonthefrontcover.
ThismanualisintendedonlyfortrainedservicepersonnelwhoarefamiliarwithLenovo®computerproducts.
BeforeservicingaLenovocomputerproduct,besuretoread“ImportantSafetyInformation”onpage1.
Chapter7“Symptom-to-FRUindex”onpage61andChapter10“AdditionalServiceInformation”onpage
129arenotspecifictoanymachinetype.ThesechaptersareapplicabletoallThinkCentrecomputers.
FormajorFRUlocationsandCustomerReplaceableUnit(CRU)identification,seeChapter8“Locations”
onpage67.
ForFRUreplacementinstructions,seeChapter9“ReplacingFRUs”onpage81.
ForFRUpartnumbers,goto:
http:/www.lenovo.com/serviceparts-lookup
ImportantSafetyInformation
Besuretoreadallcautionanddangerstatementsinthisbookbeforeperforminganyoftheinstructions.
VeuillezliretouteslesconsignesdetypeDANGERetATTENTIONduprésentdocumentavantd'exécuter
lesinstructions.
LesenSieunbedingtalleHinweisevomTyp"ACHTUNG"oder"VORSICHT"indieserDokumentation,bevor
SieirgendwelcheVorgängedurchführen
LeggereleistruzioniintrodottedaATTENZIONEePERICOLOpresentinelmanualeprimadieseguireuna
qualsiasidelleistruzioni
Certifique-sedelertodasasinstruçõesdecuidadoeperigonestemanualantesdeexecutarqualquer
umadasinstruções
Esimportantequeleatodaslasdeclaracionesdeprecauciónydepeligrodeestemanualantesdeseguir
lasinstrucciones.
©CopyrightLenovo2013,20141
2ThinkCentreM93zHardwareMaintenanceManual
Chapter2.Safetyinformation
Thischaptercontainsthesafetyinformationthatyouneedtobefamiliarwithbeforeservicingacomputer.
Generalsafety
Followtheserulestoensuregeneralsafety:
•Observegoodhousekeepingintheareaofthemachinesduringandaftermaintenance.
•Whenliftinganyheavyobject:
1.Ensureyoucanstandsafelywithoutslipping.
2.Distributetheweightoftheobjectequallybetweenyourfeet.
3.Useaslowliftingforce.Nevermovesuddenlyortwistwhenyouattempttolift.
4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthe
musclesinyourback.
Donotattempttoliftanyobjectsthatweighmorethan16kg(35lb)orobjectsthatyouthinkare
tooheavyforyou.
•Donotperformanyactionthatcauseshazardstothecustomer,orthatmakestheequipmentunsafe.
•Beforeyoustartthemachine,ensurethatotherservicerepresentativesandthecustomer'spersonnelare
notinahazardousposition.
•Placeremovedcoversandotherpartsinasafeplace,awayfromallpersonnel,whileyouareservicing
themachine.
•Keepyourtoolcaseawayfromwalkareassothatotherpeoplewillnottripoverit.
•Donotwearlooseclothingthatcanbetrappedinthemovingpartsofamachine.Ensurethatyoursleeves
arefastenedorrolledupaboveyourelbows.Ifyourhairislong,fastenit.
•Inserttheendsofyournecktieorscarfinsideclothingorfastenitwithanonconductiveclip,approximately
8centimeters(3inches)fromtheend.
•Donotwearjewelry,chains,metal-frameeyeglasses,ormetalfastenersforyourclothing.
Remember:Metalobjectsaregoodelectricalconductors.
•Wearsafetyglasseswhenyouare:hammering,drilling,soldering,cuttingwire,attachingsprings,using
solvents,orworkinginanyotherconditionsthatmightbehazardoustoyoureyes.
•Afterservice,reinstallallsafetyshields,guards,labels,andgroundwires.Replaceanysafetydevice
thatiswornordefective.
•Reinstallallcoverscorrectlybeforereturningthemachinetothecustomer.
Electricalsafety
CAUTION:
Electricalcurrentfrompower,telephone,andcommunicationcablescanbehazardous.Toavoid
personalinjuryorequipmentdamage,disconnecttheattachedpowercords,telecommunication
systems,networks,andmodemsbeforeyouopenthecomputercovers,unlessinstructedotherwise
intheinstallationandconfigurationprocedures.
Observethefollowingruleswhenworkingonelectricalequipment.
©CopyrightLenovo2013,20143
Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoft
materialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.Manycustomershave,near
theirequipment,rubberfloormatsthatcontainsmallconductivefiberstodecreaseelectrostaticdischarges.
Donotusethistypeofmattoprotectyourselffromelectricalshock.
•Findtheroomemergencypower-off(EPO)switch,disconnectingswitch,orelectricaloutlet.Ifanelectrical
accidentoccurs,youcanthenoperatetheswitchorunplugthepowercordquickly.
•Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.
•Disconnectallpowerbefore:
–Performingamechanicalinspection
–Workingnearpowersupplies
–RemovingorinstallingFieldReplaceableUnits(FRUs)
•Beforeyoustarttoworkonthemachine,unplugthepowercord.Ifyoucannotunplugit,askthecustomer
topower-offthewallboxthatsuppliespowertothemachineandtolockthewallboxintheoffposition.
•Ifyouneedtoworkonamachinethathasexposedelectricalcircuits,observethefollowingprecautions:
–Ensurethatanotherperson,familiarwiththepower-offcontrols,isnearyou.
Remember:Anotherpersonmustbetheretoswitchoffthepower,ifnecessary.
–Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour
pocketorbehindyourback.
Remember:Theremustbeacompletecircuittocauseelectricalshock.Byobservingtheaboverule,
youmaypreventacurrentfrompassingthroughyourbody.
–Whenusingatester,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor
thattester.
–Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchas
metalfloorstripsandmachineframes.
Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;theseinstructionsarein
thesafetysectionsofmaintenanceinformation.Useextremecarewhenmeasuringhighvoltages.
•Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperationalcondition.
•Donotusewornorbrokentoolsandtesters.
•Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpowered-off.
•Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsaremoistfloors,
nongroundedpowerextensioncables,powersurges,andmissingsafetygrounds.
•Donottouchliveelectricalcircuitswiththereflectivesurfaceofaplasticdentalmirror.Thesurfaceis
conductive;suchtouchingcancausepersonalinjuryandmachinedamage.
•Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperating
placesinamachine:
–Powersupplyunits
–Pumps
–Blowersandfans
–Motorgenerators
andsimilarunits.(Thispracticeensurescorrectgroundingoftheunits.)
•Ifanelectricalaccidentoccurs:
–Usecaution;donotbecomeavictimyourself.
–Switchoffpower.
–Sendanotherpersontogetmedicalaid.
4ThinkCentreM93zHardwareMaintenanceManual
Safetyinspectionguide
Theintentofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditionsonthese
products.Eachmachine,asitwasdesignedandbuilt,hadrequiredsafetyitemsinstalledtoprotectusers
andservicepersonnelfrominjury.Thisguideaddressesonlythoseitems.However,goodjudgmentshould
beusedtoidentifypotentialsafetyhazardsduetoattachmentoffeaturesoroptionsnotcoveredbythis
inspectionguide.
Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeand
whetheryoucancontinuewithoutfirstcorrectingtheproblem.
Considertheseconditionsandthesafetyhazardstheypresent:
•Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatal
electricalshock).
•Explosivehazards,suchasadamagedCRTfaceorbulgingcapacitor
•Mechanicalhazards,suchaslooseormissinghardware
Theguideconsistsofaseriesofstepspresentedinachecklist.Beginthecheckswiththepoweroff,and
thepowercorddisconnected.
Checklist:
1.Checkexteriorcoversfordamage(loose,broken,orsharpedges).
2.Power-offthecomputer.Disconnectthepowercord.
3.Checkthepowercordfor:
a.Athird-wiregroundconnectoringoodcondition.Useametertomeasurethird-wireground
continuityfor0.1ohmorlessbetweentheexternalgroundpinandframeground.
b.Thepowercordshouldbetheappropriatetypeasspecifiedinthepartslistings.
c.Insulationmustnotbefrayedorworn.
4.Removethecover.
5.Checkforanyobviousalterations.Usegoodjudgmentastothesafetyofanyalterations.
6.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetalfilings,contamination,wateror
otherliquids,orsignsoffireorsmokedamage.
7.Checkforworn,frayed,orpinchedcables.
8.Checkthatthepower-supplycoverfasteners(screwsorrivets)havenotbeenremovedortamperedwith.
Handlingelectrostaticdischarge-sensitivedevices
Anycomputerpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto
electrostaticdischarge(ESD).ESDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects.
ProtectagainstESDdamagebyequalizingthechargesothatthemachine,thepart,theworkmat,andthe
personhandlingthepartareallatthesamecharge.
Notes:
1.Useproduct-specificESDprocedureswhentheyexceedtherequirementsnotedhere.
2.MakesurethattheESDprotectivedevicesyouusehavebeencertified(ISO9000)asfullyeffective.
WhenhandlingESD-sensitiveparts:
•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.
•Avoidcontactwithotherpeoplewhilehandlingthepart.
Chapter2.Safetyinformation5
•Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.
•Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeeven
whenyouarewearingawriststrap.
•Usetheblacksideofagroundedworkmattoprovideastatic-freeworksurface.Thematisespecially
usefulwhenhandlingESD-sensitivedevices.
•Selectagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespecific
servicerequirement.
Note:TheuseofagroundingsystemisdesirablebutnotrequiredtoprotectagainstESDdamage.
–AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen-wireground.
–UseanESDcommongroundorreferencepointwhenworkingonadouble-insulatedor
battery-operatedsystem.Youcanusecoaxorconnector-outsideshellsonthesesystems.
–Usetheroundground-prongoftheacplugonac-operatedcomputers.
Groundingrequirements
Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper
groundingoftheelectricaloutletcanbeverifiedbyacertifiedelectrician.
Tip-overhazardpreventionnotice
•Placethecomputeronasturdyandlowbase,oranchorthefurnitureandpositionthecomputeras
farbackonthefurnitureaspossible.
•Keepremotecontrols,toys,andotheritemsthatmightattractchildrenoffthecomputer.
•Keepthecomputer,cables,andcordsoutofthereachofchildren.
•Supervisechildreninroomswherethesesafetytipshavenotbeenfollowed.
Safetynotices(multi-lingualtranslations)
Thecautionanddangersafetynoticesinthissectionareprovidedinthefollowinglanguages:
•English
•Arabic
•Brazilian/Portuguese
•Chinese(simplified)
•Chinese(traditional)
•French
•German
•Hebrew
•Italian
•Korean
•Spanish
6ThinkCentreM93zHardwareMaintenanceManual
DANGER
Electricalcurrentfrompower,telephoneandcommunicationcablesishazardous.
Toavoidashockhazard:
•Donotconnectordisconnectanycablesorperforminstallation,maintenance,orreconfiguration
ofthisproductduringanelectricalstorm.
•Connectallpowercordstoaproperlywiredandgroundedelectricaloutlet.
•Connecttoproperlywiredoutletsanyequipmentthatwillbeattachedtothisproduct.
•Whenpossible,useonehandonlytoconnectordisconnectsignalcables.
•Neverturnonanyequipmentwhenthereisevidenceoffire,water,orstructuraldamage.
•Disconnecttheattachedpowercords,telecommunicationssystems,networks,andmodems
beforeyouopenthedevicecovers,unlessinstructedotherwiseintheinstallationandconfiguration
procedures.
•Connectanddisconnectcablesasdescribedinthefollowingtableswheninstalling,moving,or
openingcoversonthisproductorattacheddevices.
ToConnectToDisconnect
1.TurneverythingOFF.
2.First,attachallcablestodevices.
3.Attachsignalcablestoconnectors.
4.Attachpowercordstooutlet.
5.TurndeviceON.
1.TurneverythingOFF.
2.First,removepowercordsfromoutlet.
3.Removesignalcablesfromconnectors.
4.Removeallcablesfromdevices.
CAUTION:
Whenreplacingthelithiumbattery,useonlyPartNumber45C1566oranequivalenttypebattery
recommendedbythemanufacturer.Ifyoursystemhasamodulecontainingalithiumbattery,replace
itonlywiththesamemoduletypemadebythesamemanufacturer.Thebatterycontainslithiumand
canexplodeifnotproperlyused,handled,ordisposedof.Donot:
•Throworimmerseintowater
•Heattomorethan100°C(212°F)
•Repairordisassemble
Disposeofthebatteryasrequiredbylocalordinancesorregulations.
CAUTION:
Whenlaserproducts(suchasCD-ROMs,DVD-ROMdrives,fiberopticdevices,ortransmitters)are
installed,notethefollowing:
•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto
hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.
•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespecifiedherein
mightresultinhazardousradiationexposure.
Chapter2.Safetyinformation7
DANGER
SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:
Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical
instruments,andavoiddirectexposuretothebeam.
≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)
CAUTION:
Usesafepracticeswhenlifting.
CAUTION:
Thepowercontrolbuttononthedeviceandthepowerswitchonthepowersupplydonotturnoff
theelectricalcurrentsuppliedtothedevice.Thedevicealsomighthavemorethanonepower
cord.Toremoveallelectricalcurrentfromthedevice,ensurethatallpowercordsaredisconnected
fromthepowersource.
1
2
8ThinkCentreM93zHardwareMaintenanceManual
≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)
1
2
PERIGO
Acorrenteelétricaprovenientedecabosdealimentação,detelefoneedecomunicaçõeséperigosa.
10ThinkCentreM93zHardwareMaintenanceManual
Paraevitarriscodechoqueelétrico:
•Nãoconectenemdesconectenenhumcaboouexecuteinstalação,manutençãooureconfiguração
desteprodutoduranteumatempestadecomraios.
•Conectetodososcabosdealimentaçãoatomadaselétricascorretamenteinstaladaseaterradas.
•Todoequipamentoqueforconectadoaesteprodutodeveserconectadoatomadascorretamente
instaladas.
•Quandopossível,utilizeapenasumadasmãosparaconectaroudesconectarcabosdesinal.
•Nuncaliguenenhumequipamentoquandohouverevidênciadefogo,águaoudanosestruturais.
•Antesdeabrirtampasdedispositivos,desconectecabosdealimentação,sistemasdetelecomunicação,
redesemodemsconectados,amenosqueespecificadodemaneiradiferentenosprocedimentosde
instalaçãoeconfiguração.
•Conecteedesconecteoscabosconformedescritonatabelaapresentadaaseguiraoinstalar,moverou
abrirtampasdesteprodutooudedispositivosconectados.
ParaConectar:ParaDesconectar:
1.DESLIGUETudo.
2.Primeiramente,conectetodososcabosaos
dispositivos.
3.Conecteoscabosdesinalaosconectores.
4.Conecteoscabosdealimentaçãoàstomadas.
5.LIGUEosdispositivos.
1.DESLIGUETudo.
2.Primeiramente,removaoscabosdealimentaçãodas
tomadas.
3.Removaoscabosdesinaldosconectores.
4.Removatodososcabosdosdispositivos.
CUIDADO:
Aosubstituirabateriadelítio,utilizeapenasumabateriacomNúmerodePeça45C1566ouumtipo
debateriaequivalenterecomendadopeloSeoseusistemapossuiummódulocomumabateriade
lítio,substitua-oapenasporummódulodomesmotipoedomesmofabricante.Abateriacontémlítio
epodeexplodirsenãoforutilizada,manuseadaoudescartadademaneiracorreta.
Não:
•Jogueoucoloquenaágua
•Aqueçaamaisde100°C(212°F)
•Consertenemdesmonte
Descarteabateriaconformerequeridopelasleisouregulamentoslocais.
PRECAUCIÓN:
Quandoprodutosalaser(comounidadesdeCD-ROMs,unidadesdeDVD-ROM,dispositivosdefibraótica
outransmissores)estivereminstalados,observeoseguinte:
•Nãoremovaastampas.Aremoçãodastampasdeumprodutoalaserpoderesultaremexposição
prejudicialàradiaçãodelaser.Nãoexistempeçasquepodemserconsertadasnointeriordodispositivo.
Chapter2.Safetyinformation11
•Autilizaçãodecontrolesouajustesouaexecuçãodeprocedimentosdiferentesdosespecificadosaqui
poderesultaremexposiçãoprejudicialàradiação.
PERIGO
AlgunsprodutosalasercontêmdiododelaserintegradodaClasse3AoudaClasse3B.Observeoseguinte:
Radiaçãoalaserquandoaberto.Nãoolhediretamenteparaofeixeaolhonuoucominstrumentosópticose
eviteexposiçãodiretaaofeixe.
≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)
CUIDADO:
Utilizeprocedimentosdesegurançaparalevantarequipamentos.
CUIDADO:
Obotãodecontroledealimentaçãododispositivoeobotãoparaligar/desligardafontedealimentação
nãodesligamacorrenteelétricafornecidaaodispositivo.Odispositivotambémpodetermaisdeumcabo
dealimentação.Pararemovertodaacorrenteelétricadodispositivo,assegurequetodososcabosde
alimentaçãoestejamdesconectadosdafontedealimentação.
1
2
12ThinkCentreM93zHardwareMaintenanceManual
1
2
14ThinkCentreM93zHardwareMaintenanceManual
DANGER
Lecourantélectriqueprovenantdel'alimentation,dutéléphoneetdescâblesdetransmissionpeutprésenter
undanger.
Pourévitertoutrisquedechocélectrique:
•Nemanipulezaucuncâbleetn'effectuezaucuneopérationd'installation,d'entretienoudereconfiguration
deceproduitaucoursd'unorage.
•Brancheztouslescordonsd'alimentationsurunsocledeprisedecourantcorrectementcâbléetmisàla
terre.
•Branchezsurdessoclesdeprisedecourantcorrectementcâbléstoutéquipementconnectéàceproduit.
•Lorsquecelaestpossible,n'utilisezqu'uneseulemainpourconnecteroudéconnecterlescâbles
d'interface.
•Nemettezjamaisunéquipementsoustensionencasd'incendieoud'inondation,ouenprésencede
dommagesmatériels.
•Avantderetirerlescartersdel'unité,mettezcelle-cihorstensionetdéconnectezsescordons
d'alimentation,ainsiquelescâblesquilarelientauxréseaux,auxsystèmesdetélécommunicationetaux
modems(saufinstructioncontrairementionnéedanslesprocéduresd'installationetdeconfiguration).
•Lorsquevousinstallez,quevousdéplacez,ouquevousmanipulezleprésentproduitoudespériphériques
quiluisontraccordés,reportez-vousauxinstructionsci-dessouspourconnecteretdéconnecterles
différentscordons.
ConnexionDéconnexion
1.MettezlesunitésHORSTENSION.
2.Commencezparbranchertouslescordonssurles
unités.
3.Branchezlescâblesd'interfacesurdesconnecteurs.
4.Branchezlescordonsd'alimentationsurdesprises.
5.MettezlesunitésSOUSTENSION.
1.MettezlesunitésHORSTENSION.
2.Débranchezlescordonsd'alimentationdesprises.
3.Débranchezlescâblesd'interfacedesconnecteurs.
4.Débrancheztouslescâblesdesunités.
ATTENTION:
Remplacerlapileaulithiumusagéeparunepilederéférenceidentiqueexclusivement,(référence
45C1566),ousuivrelesinstructionsdufabricantquiendéfinitleséquivalences.Sivotresystèmeest
dotéd'unmodulecontenantunepileaulithium,vousdevezleremplaceruniquementparunmodule
identique,produitparlemêmefabricant.Lapilecontientdulithiumetpeutexploserencasde
mauvaiseutilisation,demauvaisemanipulationoudemiseaurebutinappropriée.
Nepas:
•lajeteràl'eau,
•l'exposeràdestempératuressupérieuresà100°C,
•chercheràlaréparerouàladémonter.
Nepasmettrelapileàlapoubelle.Pourlamiseaurebut,sereporteràlaréglementationenvigueur.
16ThinkCentreM93zHardwareMaintenanceManual
ATTENTION:
Sidesproduitsàlaser(telsquedesunitésdeCD-ROM,deDVD-ROM,desunitésàfibresoptiques,ou
desémetteurs)sontinstallés,prenezconnaissancedesinformationssuivantes:
•Neretirezpaslecarter.Enouvrantl'unitédeCD-ROMoudeDVD-ROM,vousvousexposezau
rayonnementdangereuxdulaser.Aucunepiècedel'unitén'estréparable.
•Pourévitertoutrisqued'expositionaurayonlaser,respectezlesconsignesderéglageet
d'utilisationdescommandes,ainsiquelesprocéduresdécritesdansleprésentmanuel.
DANGER
Certainsproduitsàlasercontiennentunediodeàlaserintégréedeclasse3Aou3B.Prenez
connaissancedesinformationssuivantes:
Rayonnementlaserlorsquelecarterestouvert.Eviteztouteexpositiondirecteaurayonlaser.Evitez
deregarderfixementlefaisceauoudel'observeràl'aided'instrumentsoptiques.
≥18kg(37lbs)≥32kg(70.5lbs)≥55kg(121.2lbs)
ATTENTION:
Soulevezlamachineavecprécaution.
ATTENTION:
L'interrupteurdecontrôled'alimentationdel'unitéetl'interrupteurdublocd'alimentationnecoupent
paslecourantélectriquealimentantl'unité.Enoutre,lesystèmepeutêtreéquipédeplusieurs
cordonsd'alimentation.Pourmettrel'unitéhorstension,vousdevezdéconnectertouslescordons
delasourced'alimentation.
Chapter2.Safetyinformation17
1
2
VORSICHT
AnNetz-,Telefon-undDatenleitungenkönnengefährlicheSpannungenanliegen.
AusSicherheitsgründen:
•BeiGewitterandiesemGerätkeineKabelanschließenoderlösen.FernerkeineInstallations-,
Wartungs-oderRekonfigurationsarbeitendurchführen.
•GerätnuraneineSchutzkontaktsteckdosemitordnungsgemäßgeerdetemSchutzkontakt
anschließen.
•AlleangeschlossenenGeräteebenfallsanSchutzkontaktsteckdosenmitordnungsgemäß
geerdetemSchutzkontaktanschließen.
•DieSignalkabelnachMöglichkeiteinhändiganschließenoderlösen,umeinenStromschlagdurch
BerührenvonOberflächenmitunterschiedlichemelektrischemPotenzialzuvermeiden.
•Geräteniemalseinschalten,wennHinweiseaufFeuer,WasseroderGebäudeschädenvorliegen.
•DieVerbindungzudenangeschlossenenNetzkabeln,Telekommunikationssystemen,Netzwerken
undModemsistvordemÖffnendesGehäuseszuunterbrechen,sofernindenInstallations-und
KonfigurationsprozedurenkeineanderslautendenAnweisungenenthaltensind.
•ZumInstallieren,TransportierenundÖffnenderAbdeckungendesComputersoderder
angeschlossenenEinheitendieKabelgemäßderfolgendenTabelleanschließenundabziehen.
ZumAnschließenderKabelgehenSiewiefolgtvorZumAbziehenderKabelgehenSiewiefolgtvor
1.SchaltenSiealleEinheitenAUS.
2.SchließenSieerstalleKabelandieEinheitenan.
3.SchließenSiedieSignalkabelandieBuchsenan.
4.SchließenSiedieNetzkabelandieSteckdosean.
5.SchaltenSiedieEinheitEIN.
1.SchaltenSiealleEinheitenAUS.
2.ZiehenSiezuerstalleNetzkabelausden
Netzsteckdosen.
3.ZiehenSiedieSignalkabelausdenBuchsen.
4.ZiehenSiealleKabelvondenEinheitenab.
CAUTION:
EineverbrauchteLithiumbatterienurdurcheineBatteriemitderTeilenummer45C1566odereine
gleichwertige,vomHerstellerempfohleneBatterieersetzen.EnthältdasSystemeinModulmiteiner
Lithiumbatterie,diesesnurdurcheinModuldesselbenTypsundvondemselbenHerstellerersetzen.
DieBatterieenthältLithiumundkannbeiunsachgemäßerVerwendung,HandhabungoderEntsorgung
explodieren.
DieBatterienicht:
•mitWasserinBerührungbringen.
18ThinkCentreM93zHardwareMaintenanceManual
•über100Cerhitzen.
•reparierenoderzerlegen.
DieörtlichenBestimmungenfürdieEntsorgungvonSondermüllbeachten.
ACHTUNG:
BeiderInstallationvonLasergeräten(wieCD-ROM-Laufwerken,DVD-aufwerken,Einheitenmit
LichtwellenleitertechnikoderSendern)Folgendesbeachten:
•DieAbdeckungennichtentfernen.DurchEntfernenderAbdeckungendesLasergerätskönnen
gefährlicheLaserstrahlungenfreigesetztwerden.DasGerätenthältkeinezuwartendenTeile.
•WerdenSteuerelemente,EinstellungenoderDurchführungenvonProzedurenandersalshier
angegebenverwendet,kanngefährlicheLaserstrahlungauftreten.
VORSICHT
EinigeLasergeräteenthalteneineLaserdiodederKlasse3Aoder3B.BeachtenSieFolgendes:
LaserstrahlungbeigeöffneterVerkleidung.NichtindenStrahlblicken.KeineLupenoderSpiegel
verwenden.Strahlungsbereichmeiden.
≥18kg≥32kg≥55kg
ACHTUNG:
ArbeitsschutzrichtlinienbeimAnhebenderMaschinebeachten.
ACHTUNG:
MitdemNetzschalteranderEinheitundamNetzteilwirddieStromversorgungfürdieEinheit
nichtunterbrochen.DieEinheitkannauchmitmehrerenNetzkabelnausgestattetsein.Umdie
StromversorgungfürdieEinheitvollständigzuunterbrechen,müssenallezumGerätführenden
NetzkabelvomNetzgetrenntwerden.
Chapter2.Safetyinformation19
1
2
20ThinkCentreM93zHardwareMaintenanceManual
PERICOLO
Lacorrenteelettricaprovenientedaicavidialimentazione,deltelefonoedicomunicazionepuòessere
pericolosa.
Perevitareilrischiodiscosseelettriche:
•Noncollegareoscollegarequalsiasicavooppureeffettuarel'installazione,lamanutenzioneola
riconfigurazionedelprodottoduranteuntemporale.
•Collegaretuttiifilielettriciaunapresadialimentazionecorrettamentecablataedotatadimessaa
terra.
•Collegareallepreseelettricheappropriatetutteleapparecchiaturecheverrannoutilizzateper
questoprodotto.
•Sepossibile,utilizzaresolounamanopercollegareoscollegareicavidisegnale.
•Nonaccendereassolutamenteapparecchiatureinpresenzadiincendi,perdited'acquaodanno
strutturale.
•Scollegareicavidialimentazione,isistemiditelecomunicazione,leretieilmodemprimadi
aprireicoperchideldispositivo,salvoistruzionicontrarierelativealleprocedurediinstallazionee
configurazione.
•Collegareescollegareicavicomedescrittonellaseguentetabellaquandovengonoeffettuate
operazionidiinstallazione,spostamentooaperturadeicoperchidiquestoprodottoodelleunità
collegate.
PercollegarsiPerscollegarsi
1.SPEGNEREleapparecchiature.
2.Innanzitutto,collegaretuttiicavialleunità.
3.Collegareicavidisegnaleaiconnettori.
4.Collegareicavidialimentazioneallapresa.
5.Accenderel'unità.
1.SPEGNEREleapparecchiature.
2.Innanzitutto,rimuovereicavidialimentazionedalla
presa.
3.Rimuovereicavidisegnaledaiconnettori.
4.Rimuoveretuttiicavidalleunità.
ATTENZIONE:
Quandosisostituiscelabatteriaallitio,utilizzaresoloilNumeroparte45C1566ountipodibatteria
equivalenteconsigliatodalproduttore.Sesulsistemaèpresenteunmodulochecontieneunabatteria
allitio,sostituirlosoloconuntipodimodulodellostessotipodellastessacasadiproduzione.La
batteriacontienelitioepuòesplodereseusata,maneggiataosmaltitainmodononcorretto.
Non:
•Gettareoimmergerelabatterianell'acqua
•Riscaldarlaadunatemperaturasuperioreai100gradiC(212gradiF)
•Smontarla,ricaricarlaotentarediripararla
Lebatterieusatevannosmaltiteinaccordoallanormativainvigore(DPR915/82esuccessive
disposizioniedisposizionilocali).
22ThinkCentreM93zHardwareMaintenanceManual
ATTENZIONE:
Quandovengonoinstallatiprodottilaser(qualiCD-ROM,unitàDVD-ROM,unitàafibreotticheo
trasmittenti),tenerpresentequantosegue:
•Nonrimuovereglisportelli.L'aperturadiun'unitàlaserpuòdeterminarel'esposizionearadiazioni
laserpericolose.All'internodell'unitànonvisonopartisucuieffettuarel'assistenzatecnica.
•L'utilizzodicontrolli,regolazioniol'esecuzionediprocedurenondescrittinelpresentemanuale
possonoprovocarel'esposizionearadiazionipericolose.
PERICOLO
AlcuneunitàlasercontengonoundiodolaserdiClasse3AoClasse3B.Tenerpresentequantosegue:
Aprendol'unitàvengonoemesseradiazionilaser.Nonfissareilfascio,nonguardarlodirettamente
construmentiotticiedevitarel'esposizionealfascio.
≥18kg≥32kg≥55kg
ATTENZIONE:
Prestareattenzionenelsollevarel'apparecchiatura.
ATTENZIONE:
Ilpulsantedicontrollodell'alimentazionepresentesull'unitàel'interruttoredell'alimentatorenon
disattivanol'alimentazionecorrentefornitaall'unità.E'possibilechel'unitàdispongadipiùcavidi
alimentazione.Perdisattivarel'alimentazionedall'unità,accertarsichetuttiicavidialimentazione
sianoscollegatidallafontedialimentazione.
1
2
Chapter2.Safetyinformation23
24ThinkCentreM93zHardwareMaintenanceManual
1
2
PELIGRO
Lacorrienteeléctricaprocedentedecablesdealimentación,teléfonosycablesdecomunicaciónpuede
serpeligrosa.
Paraevitarelriesgodedescargaeléctrica:
•Noconectenidesconecteloscablesnirealiceningunatareadeinstalación,mantenimientoo
reconfiguracióndeesteproductoduranteunatormentaeléctrica.
•Conectetodosloscablesdealimentaciónatomasdecorrientedebidamentecableadasy
conectadasatierra.
•Cualquierequipoqueseconecteaesteproductotambiéndebeconectarseatomasdecorriente
debidamentecableadas.
•Siemprequeseaposible,utiliceunasolamanoparaconectarodesconectarloscablesdeseñal.
Chapter2.Safetyinformation25
•Noenciendanuncaunequipocuandohayseñalesdefuego,aguaodañosestructurales.
•Desconecteloscablesdealimentación,lossistemasdetelecomunicaciones,lasredesylos
módemsconectadosantesdeabrirlascubiertasdelosdispositivos,amenosqueseindiquelo
contrarioenlosprocedimientosdeinstalaciónyconfiguración.
•Conecteydesconecteloscables,comosedescribeenlatablasiguiente,cuandoinstale,muevao
abralascubiertasdeesteproductoodelosdispositivosconectados.
ParaconectarParadesconectar
1.APÁGUELOtodo.
2.Enprimerlugar,conectetodosloscablesalos
dispositivos.
3.Conecteloscablesdeseñalalosconectores.
4.Enchufeloscablesdealimentaciónalastomasde
corriente.
5.Enciendaeldispositivo.
1.APÁGUELOtodo.
2.Enprimerlugar,desenchufeloscablesdealimentación
delastomasdecorriente.
3.Desconecteloscablesdeseñaldelosconectores.
4.Desconectetodosloscablesdelosdispositivos.
PRECAUCIÓN:
Cuandosustituyaunabateríadelitio,utilicesolamenteunabateríanúmerodepieza45C1566uotra
detipoequivalenterecomendadaporelfabricante.Sisusistemadisponedeunmóduloquecontiene
unabateríadelitio,reemplácelosóloconelmismotipodemódulo,delmismofabricante.Labatería
contienelitioypuedeexplotarsinoseutiliza,manipulaodesechacorrectamente.
Nodebe:
•Arrojarlaalaguaosumergirlaenella
•Exponerlaatemperaturassuperioresa100°C(212°F)
•Repararlaodesmontarla
Deshágasedelabateríasegúnespecifiquenlasleyesonormaslocales.
PRECAUCIÓN:
Cuandohayaproductosláser(comounidadesdeCD-ROM,unidadesdeDVD,dispositivosdefibra
ópticaotransmisores)instalados,tengaencuentalosiguiente:
•Noquitelascubiertas.Siquitalascubiertasdelproductoláser,podríaquedarexpuestoaradiación
láserpeligrosa.Dentrodeldispositivonoexisteningunapiezaquerequieraserviciotécnico.
•Siusacontrolesoajustesorealizaprocedimientosquenoseanlosespecificadosaquí,podría
exponersearadiacionespeligrosas.
PELIGRO
26ThinkCentreM93zHardwareMaintenanceManual
Algunosproductoslásertienenincorporadoundiodoláserdeclase3Aoclase3B.Tengaencuentalo
siguiente:
Cuandoseabre,quedaexpuestoaradiaciónláser.Nomiredirectamentealrayoláser,nisiquieracon
instrumentosópticos,yeviteexponersedirectamentealrayoláser.
≥18kg≥32kg≥55kg
PRECAUCIÓN:
Adopteprocedimientossegurosallevantarelequipo.
PRECAUCIÓN:
Elbotóndecontroldealimentacióndeldispositivoyelinterruptordealimentacióndelafuentede
alimentaciónnodesconectanlacorrienteeléctricasuministradaaldispositivo.Además,eldispositivo
podríatenermásdeuncabledealimentación.Parasuprimirtodalacorrienteeléctricadeldispositivo,
asegúresedequetodosloscablesdealimentaciónesténdesconectadosdelatomadecorriente.
1
2
Chapter2.Safetyinformation27
28ThinkCentreM93zHardwareMaintenanceManual
Chapter3.Generalinformation
Thischapterprovidesgeneralinformationthatappliestoallmachinetypessupportedbythispublication.
Specifications
Thissectionliststhephysicalspecificationsforyourcomputer.
Dimensions(nostand)
•Touchmodels:
Width:568mm(22.36inches)
Height:401mm(15.79inches)
Depth:68.5mm(2.70inches)
•Non-touchmodels:
Width:568mm(22.36inches)
Height:401mm(15.79inches)
Depth:67mm(2.64inches)
Weight(nostand)
•Touchmodels:
Maximumconfigurationasshipped:10.14kg(23.35lb)
•Non-touchmodels:
Maximumconfigurationasshipped:8.6kg(18.96lb)
Environment
•Airtemperature:
Operating:10°Cto35°C(50°Fto95°F)
Storageinoriginalshippingpackage:-40°Cto60°C(-40°Fto140°F)inoriginalshippingpackage
Storagewithoutpackage:-10°Cto60°C(14°Fto140°F)withoutpackage
•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
Inputfrequencyrange:50or60Hz
–Highrange:
Minimum:200Vac
Maximum:240Vac
©CopyrightLenovo2013,201429
Inputfrequencyrange:50or60Hz
Lenovoprograms
YourcomputercomeswithLenovoprogramstohelpyouworkmoreeasilyandsecurely.Dependingonthe
Microsoft®Windows®operatingsystempreinstalled,theprogramsmightvary.
AccessingLenovoprogramsontheWindows7operatingsystem
YoucanaccessLenovoprogramsontheMicrosoftWindows7operatingsystemthroughWindowsSearch
orfromControlPanel.TheiconnamedisplayedinthesearchresultorControlPanelmightbedifferentfrom
theprogramname.YoucanfindtheprogrambyitsprogramnameoriconnameasshownintheLenovo
programsavailableontheWindows7operatingsystemtable.
Note:Ifyoudonotfindtheprogramyouneed,opentheLenovoThinkVantage®Toolsprogramtofindthe
dimmediconfortheprogram.Thendouble-clicktheicontoinstalltheprogram.
ToaccessLenovoprogramsthroughWindowsSearch,dothefollowing:
1.ClicktheStartbuttonandthentypetheprogramnameortheiconnameintothesearchbox.
2.Locatetheprogrambytheprogramnameortheiconnameandthenclicktheprogramtolaunchit.
ToaccessLenovoprogramsfromControlPanel,dothefollowing:
Note:SomeLenovoprogramsmightnotbedisplayedinControlPanel.Tofindtheseprograms,use
WindowsSearch.
1.ClickStart➙ControlPanel.ChangetheviewofControlPanelfromCategorytoLargeiconsorSmall
icons.
2.Locatetheprogrambytheiconnameandthenclicktheprogramtolaunchit.
ThefollowingtableliststheprogramsavailableontheWindows7operatingsystem.
Note:Dependingonyourcomputermodel,someoftheLenovoprogramsmightnotbeavailable.
Table1.LenovoprogramsavailableontheWindows7operatingsystem
ProgramnameIconname
CommunicationsUtilityLenovo-WebConferencing
FingerprintManagerProor
ThinkVantageFingerprintSoftware
Lenovo-FingerprintManagerProorLenovo-FingerprintReader
LenovoBluetoothLockLenovoBluetoothLock
LenovoReachLenovoReach
LenovoSHAREitLenovoSHAREit
LenovoSolutionCenterLenovo-SystemHealthandDiagnostics
LenovoThinkVantagetoolsLenovoThinkvantagetools
PasswordManagerLenovo-PasswordVault
PCCloudManagerPCCloudManager
PowerManagerLenovo-PowerControls
RecoveryMediaLenovo-FactoryRecoveryDisksorCreateRecoveryMedia
RescueandRecovery®Lenovo-EnhancedBackupandRestore
30ThinkCentreM93zHardwareMaintenanceManual
Table1.LenovoprogramsavailableontheWindows7operatingsystem(continued)
ProgramnameIconname
SystemUpdateLenovo-UpdateandDrivers
ViewManagementUtilityLenovo-ViewManagementUtility
AccessingLenovoprogramsontheWindows8orWindows8.1operating
system
IfyourcomputerispreinstalledwiththeMicrosoftWindows8orMicrosoftWindows8.1operatingsystem,
youcanaccessLenovoprogramsbydoingoneofthefollowing:
•OntheWindows8operatingsystem,presstheWindowskeytogototheStartscreen.ClickaLenovo
programtolaunchit.Ifyoucannotfindtheprogramyouneed,movethepointertothebottom-rightcorner
ofthescreentodisplaythecharms.ThenclicktheSearchcharmtosearchforthedesiredprogram.
•OntheWindows8.1operatingsystem,presstheWindowskeytogototheStartscreen.Clicka
Lenovoprogramtolaunchit.Ifyoucannotfindtheprogramyouneed,clickthearrowiconinthe
bottom-leftcornerofthescreentogototheAppsscreen.Findthedesiredprogramintheappslistor
searchforitinthesearchboxinthetop-rightcornerofthescreen.
Dependingonyourcomputermodel,yourcomputersupportssomeofthefollowingLenovoprograms:
•FingerprintManagerProorThinkVantageFingerprintSoftware
•LenovoBluetoothLock
•LenovoCompanion
•LenovoQuickCast
•LenovoReach
•LenovoSettings
•LenovoSolutionCenter
•LenovoSupport
•PasswordManager
•PCCloudManager
•SystemUpdate
LenovoSupportWebsite
TechnicalsupportinformationisavailableontheLenovoSupportWebsiteat:
http://www.lenovo.com/support
ThisWebsiteisupdatedwiththelatestsupportinformationsuchasthefollowing:
•Driversandsoftware
•Diagnosticsolutions
•Productandservicewarranty
•Productandpartsdetails
•Userguidesandmanuals
•Knowledgebaseandfrequentlyaskedquestions
Chapter3.Generalinformation31
32ThinkCentreM93zHardwareMaintenanceManual
Chapter4.Generalcheckout
Attention
Thedrivesinthecomputeryouareservicingmighthavebeenrearrangedorthedrivestartupsequencemight
havebeenchanged.Beextremelycarefulduringwriteoperationssuchascopying,saving,orformatting.
Dataorprogramscanbeoverwrittenifyouselectanincorrectdrive.
Generalerrormessagesappearifaproblemorconflictisfoundbyanapplicationprogram,theoperating
system,orboth.Fortheexplanationofthesemessages,refertotheinformationsuppliedwiththatsoftware
package.
BeforereplacingaFRU,ensurethatthelatestlevelofBIOSisinstalledonthesystem.Adown-levelBIOS
mightcausefalseerrorsandunnecessaryreplacementofthesystemboard.Formoreinformationonhowto
determineandobtainthelatestlevelBIOS,see“BIOSlevels”onpage129.
Usethefollowingproceduretohelpdeterminethecauseofaproblem:
1.Power-offthecomputerandallexternaldevices.
2.Checkallcablesandpowercords.
3.Setalldisplaycontrolstothemiddleposition.
4.Power-onallexternaldevices.
5.Power-onthecomputer.
•Lookfordisplayederrorcodes
•Listenforbeepcodes
•Lookforreadableinstructionsoramainmenuonthedisplay.
Ifyoudidnotreceivethecorrectresponse,proceedtostep6.
Ifyoudoreceivethecorrectresponse,proceedtostep7.
6.Lookatthefollowingconditionsandfollowtheinstructions:
•IfyouhearbeepcodesduringPOST,goto“Beepsymptoms”onpage61.
•IfthecomputerdisplaysaPOSTerror,goto“POSTerrorcodes”onpage62.
•Ifthecomputerhangsandnoerrorisdisplayed,turnoffthecomputerandthepower.Then,turnthe
powerandthecomputerbackon,continueatstep7.
7.RuntheDiagnosticprograms.See“Diagnostics”onpage53.
•Ifyoureceiveanerror,replacethepartthatthediagnosticprogramcallsout.
•Iftheteststopsandyoucannotcontinue,replacethelastdevicetested.
Problemdeterminationtips
Duetothevarietyofhardwareandsoftwarecombinationsthatcanbeencountered,usethefollowing
informationtoassistyouinproblemdetermination.Ifpossible,havethisinformationavailablewhen
requestingassistancefromServiceSupportandEngineeringfunctions.
•Machinetypeandmodel
•Processororharddiskdriveupgrades
•Failuresymptom
–Dodiagnosticsindicateafailure?
–What,when,where,single,ormultiplesystems?
–Isthefailurerepeatable?
©CopyrightLenovo2013,201433
–Hasthisconfigurationeverworked?
–Ifithasbeenworking,whatchangesweremadepriortoitfailing?
–Isthistheoriginalreportedfailure?
•Diagnosticsversion
–Typeandversionlevel
•Hardwareconfiguration
–Print(printscreen)configurationcurrentlyinuse
–BIOSlevel
•Operatingsystemsoftware
–Typeandversionlevel
Notes:Toeliminateconfusion,identicalsystemsareconsideredidenticalonlyifthey:
1.Aretheexactmachinetypeandmodels
2.HavethesameBIOSlevel
3.Havethesameadapters/attachmentsinthesamelocations
4.Havethesameaddressjumpers/terminators/cabling
5.Havethesamesoftwareversionsandlevels
6.HavethesameDiagnosticDiskettes(version)
7.Havethesameconfigurationoptionssetinthesystem
8.Havethesamesetupfortheoperatingsystemcontrolfiles
Comparingtheconfigurationandsoftwareset-upbetween“workingandnon-working”systemswilloften
leadtoproblemresolution.
34ThinkCentreM93zHardwareMaintenanceManual
Chapter5.Troubleshootinganddiagnostics
Thischapterdescribessomebasictroubleshootinganddiagnosticprograms.Ifyourcomputerproblemis
notdescribedhere,see“LenovoSupportWebsite”onpage31foradditionaltroubleshootingresources.
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.
Thekeyboarddoesnotwork.Verifythat:
•Thecomputeristurnedon.
•ThekeyboardissecurelyconnectedtoaUSBconnectororaPS2connector
onthecomputer.
•Nokeysarestuck.
Themousedoesnotwork.Verifythat:
•Thecomputeristurnedon.
•ThemouseissecurelyconnectedtoaUSBconnectororaPS2connectoron
thecomputer.
•Themouseisclean.
Theoperatingsystemdoesnot
start.
Verifythat:
•Thestartupsequenceincludesthedevicewheretheoperatingsystemresides.
Usually,theoperatingsystemisontheharddiskdrive.Formoreinformation,
see“Selectingastartupdevice”onpage58.
Thecomputerbeepsmultiple
timesbeforetheoperating
systemstarts.
Verifythatnokeysarestuck.
AccessingControlPanelontheWindows8operatingsystem
OntheWindowsoperatingsystem,youcanviewandchangecomputersettingsthroughControlPanel.To
accessControlPanelontheWindows8operatingsystem,dooneofthefollowing:
•Fromthedesktop
1.Movethecursortothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.
©CopyrightLenovo2013,201435
2.ClickSettings.
3.ClickControlPanel.
•FromtheStartscreen
1.Movethecursortothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.
2.ClickSearch.
3.OntheAppsscreen,scrolltotherightside,andclickControlPanelintheWindowsSystemsection.
Troubleshootingprocedure
Usethefollowingprocedureasastartingpointfordiagnosingproblemsyouareexperiencingwithyour
computer:
1.Verifythatthecablesforallattacheddevicesareconnectedcorrectlyandsecurely.
2.Verifythatallattacheddevicesthatrequireacpowerareconnectedtoproperlygrounded,functioning
electricaloutlets.
3.VerifythatallattacheddevicesareenabledintheBIOSsettingsofyourcomputer.Formoreinformation
aboutaccessingandchangingtheBIOSsettings,refertoyourChapter6“UsingtheSetupUtility
program”onpage55.
4.Gotothe“Troubleshooting”onpage36andfollowtheinstructionsforthetypeofproblemyouare
experiencing.IftheTroubleshootinginformationdoesnothelpyouresolveaproblem,continuewiththe
nextstep.
5.Tryusingapreviouslycapturedconfigurationtoseeifarecentchangetohardwareorsoftwaresettings
hascausedaproblem.Beforerestoringapreviousconfiguration,captureyourcurrentconfigurationin
casetheolderconfigurationsettingsdonotsolvetheproblemorhaveadverseaffects.Torestorea
capturedconfiguration,dothefollowing:
•ForWindows7:ClickStart➙ControlPanel➙SystemandSecurity➙System➙System
Protection➙SystemRestore.
•ForWindows8:OpenControlPanel,andthenclickSystemandSecurity➙System➙System
Protection➙SystemRestore.
Ifthisdoesnotcorrecttheproblem,continuewiththenextstep.
6.Runthediagnosticprogram.See“LenovoSolutionCenter”onpage53formoreinformation.
•Ifthediagnosticprogramdetectsahardwarefailure,contacttheLenovoCustomerSupportCenter.
See“LenovoSupportWebsite”onpage31formoreinformation.
•Ifyouareunabletorunthediagnosticprogram,contacttheLenovoCustomerSupportCenter.See
“LenovoSupportWebsite”onpage31formoreinformation.
•Ifthediagnosticprogramdoesnotdetectahardwarefailure,continuewiththenextstep.
7.Useanantivirusprogramtoseeifyourcomputerhasbeeninfectedbyavirus.Iftheprogramdetectsa
virus,removethevirus.
8.Ifnoneoftheseactionssolvetheproblem,seektechnicalassistance.See“LenovoSupportWeb
site”onpage31formoreinformation.
Troubleshooting
Usethetroubleshootinginformationtofindsolutionstoproblemsthathavedefinitesymptoms.
Ifthesymptomyourcomputerisexperiencingoccurredimmediatelyafteryouinstalledanewhardware
optionornewsoftware,dothefollowingbeforereferringtothetroubleshootinginformation:
1.Removethenewhardwareoptionorsoftware.Ifyoumustremovethecomputercovertoremovea
hardwareoption,makesureyoureviewandfollowtheelectricalsafetyinformationprovidedwithyour
computer.Foryoursafety,donotoperatethecomputerwiththecoverremoved.
36ThinkCentreM93zHardwareMaintenanceManual
2.Runthediagnosticprogramstoensureyourcomputerisoperatingcorrectly.
3.Reinstallthenewhardwareoptionorsoftwarefollowingthemanufacturer'sinstructions.
Selecttheproblemyourcomputerisexperiencingfromthefollowinglist:
•“Audioproblems”onpage37
•“CDproblems”onpage38
•“DVDproblems”onpage39
•“Intermittentproblems”onpage40
•“Harddiskdriveproblems”onpage41
•“Keyboard,mouse,orpointingdeviceproblems”onpage41
•“Networkingproblems”onpage45
•“Optionproblems”onpage48
•“Performanceandlockupproblems”onpage49
•“Printerproblems”onpage51
•“Serialportproblems”onpage51
•“Softwareproblems”onpage52
•“USBproblems”onpage53
Audioproblems
Selectyoursymptomfromthefollowinglist:
•“NoaudioinWindows”onpage37
•“AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoadrive”
onpage38
•“Soundcomesfromoneexternalspeakeronly”onpage38
•“NoaudioinDOSapplicationsorgames”onpage38
NoaudioinWindows
Symptom:NoaudioinWindows
Actions:
•IfyouareusingpoweredexternalspeakersthathaveanOn/Offcontrol,verifythattheOn/Offcontrolis
settotheOnpositionandthespeakerpowercableisconnectedtoaproperlygrounded,functionalac
electricaloutlet.
•Ifyourexternalspeakershaveavolumecontrol,verifythatthevolumecontrolisnotsettoolow.
•Double-clickthespeakericonintheWindowsnotificationarea.Amastervolume-controlwindowopens.
VerifythattheMutesettingsarenotcheckedandnoneofthevolumesettingsissettoolow.
•Verifythatyourexternalspeakers(andheadphones,ifused)areconnectedtothecorrectaudioconnector
onthecomputer.Mostspeakercablesarecolor-codedtomatchtheconnector.
Note:Whenexternal-speakerorheadphonecablesareattachedtotheaudioconnector,theinternal
speaker,ifpresent,isdisabled.Inmostcases,ifanaudioadapterisinstalledinoneoftheexpansionslots,
theaudiofunctionbuiltintothesystemboardisdisabled;usetheaudiojacksontheadapter.
•MakesurethattheprogramyouarerunningisdesignedforuseintheWindowsoperatingsystem.If
theprogramisdesignedtoruninDOS,theprogramdoesnotusetheWindowssoundfeatureandmust
beconfiguredtouseSoundBlasterProorSoundBlasteremulation.
Chapter5.Troubleshootinganddiagnostics37
•Verifythattheaudiodevicedriversarecorrectlyinstalled.SeeWindowshelpsystemformoreinformation.
Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on
page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage31.
AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitis
insertedintoadrive
Symptom:AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoadrive
Action:See“CDproblems”onpage38.
Soundcomesfromoneexternalspeakeronly
Symptom:Soundcomesfromoneexternalspeakeronly.
Actions:
•Ensurethatthespeakercableisinsertedcompletelyintotheconnectoronthecomputer.
•Makesurethecablethatattachestheleftspeakertotherightspeakerissecurelyconnected.
•Double-clickthespeakericonintheWindowsnotificationarea.Amastervolume-controlwindowopens.
VerifythattheBalancesettingsaresetcorrectly.
Iftheseactionsdonotcorrecttheproblem,youmighthaveafailingspeaker.Havethespeakerserviced.If
youneedtechnicalassistance,see“LenovoSupportWebsite”onpage31.
NoaudioinDOSapplicationsorgames
Symptom:NoaudioinDOSapplicationsorgames
Actions:
•MakesuretheDOSapplicationorgameisconfiguredtouseSoundBlasterProorSoundBlaster
emulation.Refertothedocumentationthatcomeswiththeapplicationorgameforinstructionson
settingsound-cardsettings.
•Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on
page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage31.
CDproblems
Selectyoursymptomfromthefollowinglist:
•“AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoaCD
drive”onpage38
•“ACDorDVDdoesnotwork”onpage39
•“Unabletouseastartable(bootable)recoverymedium,suchastheProductRecoveryCD,tostart
yourcomputer”onpage39
AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitis
insertedintoaCDdrive
Symptom:AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedinto
aCDdrive.
Actions:
•IfyouhavemultipleCDorDVDdrivesinstalled(oracombinationofCDandDVDdrives),tryinsertingthe
discintotheotherdrive.Insomecases,onlyoneofthedrivesisconnectedtotheaudiosubsystem.
38ThinkCentreM93zHardwareMaintenanceManual
•IfyouareusingtheWindows7operatingsystem,followtheactionfor“ACDorDVDdoesnotwork”
onpage39.
Ifthisdoesnotcorrecttheproblem,followtheactionfor“ACDorDVDdoesnotwork”onpage39.
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”onpage58forinformationonviewingand
changingthestartupsequence.Notethatonsomemodelsthestartupsequenceispermanentlysetand
cannotbechanged.
Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on
page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage31.
DVDproblems
Selectyoursymptomfromthefollowinglist:
•“BlackscreeninsteadofDVDvideo”onpage39
•“DVDmoviewillnotplay”onpage40
•“NoaudioorintermittentaudiowhileplayingDVDmovie”onpage40
•“Playbackisverysloworchoppy”onpage40
•“Invaliddiscornodiscfoundmessage”onpage40
BlackscreeninsteadofDVDvideo
Symptom:BlackscreeninsteadofDVDvideo
Actions:
•RestarttheDVDplayerprogram.
•Closeanyopenfiles,turnoffthecomputer,andthenrestartthecomputer.
•Tryalowerscreenresolutionorcolordepth.
Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on
page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage31.
Chapter5.Troubleshootinganddiagnostics39
DVDmoviewillnotplay
Symptom:DVDmoviewillnotplay.
Actions:
•Makesurethatthediscsurfaceiscleanandnotscratched.
•Checkthediscorpackageforregionalcoding.Youmightneedtopurchaseadiscwithcodingfor
theregionwhereyouareusingyourcomputer.
Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on
page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage31.
NoaudioorintermittentaudiowhileplayingDVDmovie
Symptom:NoaudioorintermittentaudiowhileplayingDVDmovie.
Actions:
•Checkthevolumecontrolsettingsonyourcomputerandonyourspeakers.
•Makesurethatthediscsurfaceiscleanandnotscratched.
•Checkallcableconnectionstoandfromthespeakers.
•UsetheDVDmenuforthevideotoselectadifferentaudiotrack.
Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on
page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage31.
Playbackisverysloworchoppy
Symptom:Playbackisverysloworchoppy.
Actions:
•Disableanybackgroundprograms,suchasAntiVirusorDesktopThemes.
•Ensurethatvideoresolutionissettolessthan1152x864.
Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on
page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage31.
Invaliddiscornodiscfoundmessage
Symptom:Invaliddiscornodiscfoundmessage
Actions:
•EnsurethataDVDdiscisinthedrivewiththeshinysideofthediscfacingdown.
•Ensurethatvideoresolutionissettolessthan1152x864.
•OncomputersthathaveaCD-ROMorCD-RWdriveinadditiontoaDVD-ROMdrive,makesurethatthe
DVDdiscisinthedrivelabeled“DVD”.
Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on
page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage31.
Intermittentproblems
Symptom:Aproblemoccursonlyoccasionallyandisdifficulttorepeat.
40ThinkCentreM93zHardwareMaintenanceManual
Actions:
•Verifythatallcablesandcordsaresecurelyconnectedtothecomputerandattacheddevices.
•Verifythatwhenthecomputerison,thefangrillisnotblocked(thereisairflowaroundthegrill),andthe
fansareworking.Ifairflowisblockedorthefansarenotworking,thecomputermightoverheat.
Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on
page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage31.
Harddiskdriveproblems
Selectyoursymptomfromthefollowinglist:
•“SomeorallharddiskdrivesmissingfromtheSetupUtilityprogram”onpage41
•“"NoOperatingSystemFound"messageorthesystemnotstartingfromthecorrectharddiskdrive”
onpage41
SomeorallharddiskdrivesmissingfromtheSetupUtilityprogram
Symptom:SomeorallharddiskdrivesmissingfromtheSetupUtilityprogram
Actions:
•Ensurethatallharddiskdrivesignalcablesandpowercablesareconnectedcorrectly.
•Ensurethatyourcomputerisconfiguredcorrectlytosupporttheharddiskdrives.
–IfyourcomputerisinstalledwithfiveSATAharddiskdrives,ensurethattheSATAharddiskdrive
enablementmodule(onetofiveharddiskdrives)isinstalled.
–IfyourcomputerisinstalledwithSASharddiskdrives,ensurethattheSASharddiskdriveenablement
module(onetofiveharddiskdrives)ortheLSIMegaRAIDSASadapterisinstalled.
Iftheseactionsdonotcorrecttheproblem,runthediagnosticprogramLenovoSolutionCenter.See“Lenovo
SolutionCenter”onpage53.Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage31.
"NoOperatingSystemFound"messageorthesystemnotstartingfromthecorrect
harddiskdrive
Symptom:"NoOperatingSystemFound"messageorthesystemnotstartingfromthecorrectharddiskdrive
Actions:
•Ensurethatallharddiskdrivesignalcablesandpowercablesareconnectedcorrectly.
•EnsurethattheharddiskdriveyourcomputerstartsfromislistedasthefirststartupdeviceintheSetup
Utilityprogram.Referto“Selectingastartupdevice”onpage58.
Note:Inrarecases,theharddiskdrivewiththeoperatingsystemmightgetcorruptedordamaged.Insuch
cases,youmightneedtoreplacetheharddiskdrive.
Iftheseactionsdonotcorrecttheproblem,runthediagnosticprogramLenovoSolutionCenter.See“Lenovo
SolutionCenter”onpage53.Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage31.
Keyboard,mouse,orpointingdeviceproblems
Selectyoursymptomfromthefollowinglist:
•“Allorsomekeysonthekeyboarddonotwork”onpage42
•“Themouseorpointingdevicedoesnotwork”onpage42
Chapter5.Troubleshootinganddiagnostics41
•“Thepointeronthescreendoesnotmovesmoothlywiththemouse”onpage43
•“Thefingerprintreaderdoesnotwork”onpage43
•“Thewirelesskeyboarddoesnotwork”onpage43
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.
–OntheWindows8operatingsystem,dothefollowing:
1.OpenControlPanel.
2.ClickHardwareandSound.
3.ClickDevicesandPrinters.
4.Double-clickUSBEnhancedPerformanceKeyboard.TheUSBEnhancedPerformance
KeyboardCustomizationprogramstarts.
Iftheseactionsdonotcorrecttheproblem,havethecomputerandkeyboardserviced.See“Lenovo
SupportWebsite”onpage31fordetails.
Themouseorpointingdevicedoesnotwork
Symptom:Themouseorpointingdevicedoesnotwork.
Actions:
•Verifythatthemouseorpointing-devicecableissecurelyattachedtothecorrectconnectoronthe
computer.Dependingonthetypeofmouseyouhave,themousecablewillconnecttoeitherthe
mouse,serial,orUSBconnector.SomekeyboardshaveintegratedUSBconnectorsthatcanbeused
foraUSBmouseorpointingdevice.
•Verifythatthedevicedriversforthemouseorpointingdeviceareinstalledcorrectly.
•IfyouareusingaUSBkeyboardormouse,verifythattheUSBconnectorsareenabledintheBIOS
settings.See“Enablingordisablingadevice”onpage57.
Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on
page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage31.
Opticalmouse
Thissectionprovidesinstructionsonhowtocleananopticalmouse.
42ThinkCentreM93zHardwareMaintenanceManual
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.
Thepointeronthescreendoesnotmovesmoothlywiththemouse
Symptom:Thepointeronthescreendoesnotmovesmoothlywiththemouse.
Action:Erraticmovementofthemousepointerisgenerallycausedbyabuildupofdirt,oils,andother
contaminantsontheballinsidethemouse.Cleanthemouse.
Thefingerprintreaderdoesnotwork
Symptom:Thefingerprintreaderdoesnotwork.
Action:Thefollowingcouldcausethefingerprintreadernottooperateproperly:
•Notenrollingyourfingerprintcorrectly.
•Scratchingthesurfaceofthereaderwithahard,pointedobject.
•Scrapingthesurfaceofthereaderwithyournailoranythinghard.
•Usingortouchingthereaderwithadirtyfinger.
•Thesurfaceofyourfingerisverydifferentfromwhenyouenrolledyourfingerprint.
Thewirelesskeyboarddoesnotwork
Symptom:Thewirelesskeyboarddoesnotwork.
Action:IftheTransceiverCommunicationsLEDisonandthewirelessKeyboarddoesnotwork,restartyour
computer.Ifrestartingyourcomputerdoesnotsolvetheproblem,verifythatthefollowingconditionsaremet:
•Thebatteriesareproperlyinstalled.
•Thebatteriesstillretaintheircurrent.
•ThewirelessKeyboardislocatedlessthantenmetersawayfromthetransceiver.
•Thetransceiverisfullyinstalled.
Action:IftheTransceiverCommunicationsLEDisnoton,reconnectthetransceiverandthekeyboard.
Monitorproblems
Note:Manymonitorshavestatus-indicatorlightsandbuilt-incontrolsforadjustingbrightness,contrast,
width,height,andotherpictureadjustments.However,thecontrolsvaryfrommonitortypetomonitortype.
Chapter5.Troubleshootinganddiagnostics43
Forinformationaboutthestatuslightsandusingthecontrols,refertothedocumentationthatcomes
withyourmonitor.
Selectyoursymptomfromthefollowinglist:
•“Wrongcharactersappearonthescreen”onpage44
•“Themonitorworkswhenyouturnonthecomputer,butgoesblankaftersomeperiodofcomputer
inactivity”onpage44
•“Themonitorworkswhenyouturnonthecomputer,butgoesblankwhenyoustartsomeapplication
programs”onpage44
•“Theimageappearstobeflickering”onpage44
•“Theimageisdiscolored”onpage45
Wrongcharactersappearonthescreen
Symptom:Wrongcharactersappearonthescreen.
Action:Havethecomputerserviced.Fordetails,see“LenovoSupportWebsite”onpage31.
Themonitorworkswhenyouturnonthecomputer,butgoesblankaftersomeperiod
ofcomputerinactivity
Symptom:Themonitorworkswhenyouturnonthecomputer,butgoesblankaftersomeperiodofcomputer
inactivity.
Action:Thecomputerisprobablysetforenergysavingswiththepower-managementfeature.Ifthe
power-managementfeatureisenabled,disablingitorchangingthesettingsmightsolvetheproblem.
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,see“LenovoSupportWebsite”onpage31.
Themonitorworkswhenyouturnonthecomputer,butgoesblankwhenyoustart
someapplicationprograms
Symptom:Themonitorworkswhenyouturnonthecomputer,butgoesblankwhenyoustartsome
applicationprograms.
Actions:
•Ensurethatthemonitorsignalcableissecurelyconnectedtothemonitorandthemonitorconnectoron
thecomputer.Aloosecablecancauseintermittentproblems.
•Verifythatthenecessarydevicedriversfortheapplicationprogramsareinstalled.Refertothe
documentationfortheaffectedapplicationprogramtoseeifdevicedriversarerequired.
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,see“LenovoSupportWebsite”onpage31.
Theimageappearstobeflickering
Symptom:Theimageappearstobeflickering.
Actions:
•Themonitormightbeoperatinginalow-refreshratedisplaymode.Setthemonitortothehighest,
noninterlacedrefreshratesupportedbyyourmonitorandthevideocontrollerinyourcomputer.
44ThinkCentreM93zHardwareMaintenanceManual
Attention:Usingaresolutionorrefreshratethatisnotsupportedbyyourmonitormightdamageit.
Checkthedocumentationthatcomeswithyourmonitortoverifythesupportedrefreshrates.
•Themonitormightbeaffectedbyinterferencefromnearbyequipment.Magneticfieldsaroundother
devices,suchastransformers,appliances,fluorescentlights,andothermonitorsmightbecausingthe
problem.Movefluorescentdesklightingoranyequipmentthatproducesmagneticfieldsfartheraway
fromthemonitor.Ifthisdoesnotcorrecttheproblem,dothefollowing:
1.Turnoffthemonitor.(Movingacolormonitorwhileitisturnedonmightcausescreendiscoloration.)
2.Adjusttheplacementofthemonitorandotherdevicessothattheyareatleast305mm(12inches)
apart.
3.Turnonthemonitor.
•YoucanresettherefreshratethroughyouroperatingsystemControlPanel:
OntheWindows7operatingsystem,clickStart➙ControlPanel➙HardwareandSound➙Adjust
screenresolution➙AdvancedSettings.ThenclicktheMonitortabandselectanewrefreshrate.
OntheWindows8operatingsystem,openControlPanelandclickHardwareandSound➙Adjust
screenresolution➙AdvancedSettings.ThenclicktheMonitortabandselectanewrefreshrate.
•Seeyouroperatingsystemdocumentationorhelpforfurtherinformationonmonitorsettings.
Iftheseactionsdonotcorrecttheproblem,yourmonitormightneedservice.See“LenovoSupportWeb
site”onpage31fordetails.
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.See“LenovoSupportWeb
site”onpage31fordetails.
Networkingproblems
Thefollowingarethemostcommonnetworkingproblems.Selectyournetworkingproblemfromthe
followinglist:
•“Ethernetproblems”onpage45
•“AwirelessLANproblem”onpage47
•“AwirelessWANproblem”onpage47
•“Bluetoothproblems”onpage48
Ethernetproblems
ForEthernetproblems,selectyoursymptomfromthefollowinglist:
•“Yourcomputercannotconnecttothenetwork”onpage46
•“Theadapterstopsworkingfornoapparentreason”onpage46
Chapter5.Troubleshootinganddiagnostics45
•“IfyourcomputerisaGigabitEthernetmodelandyouuseaspeedof1000Mbps,theconnectionfails
orerrorsoccur”onpage47
•“IfyourcomputerisaGigabitEthernetmodel,itcannotconnecttothenetworkat1000Mbps.Instead,
itconnectsat100Mbps”onpage47
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.
OntheWindows8operatingsystem,dothefollowing:
1.OpenControlPanel.
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.
Action:Thenetworkdriverfilesmaybecorruptormissing.Updatethedriverbyreferringtothe“Solution”
descriptionfortheproceduretomakesurethatthecorrectdevicedriverisinstalled.
46ThinkCentreM93zHardwareMaintenanceManual
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:
•MakesurethatyourwirelessLANdriveristhelatestversion.ChecktheWebsiteandverifythedriver
versionsupportedbyAccessConnectionsisthelatestdocumentedinthereadmefile.
•Makesurethatyourcomputeriswithinrangeofawirelessaccesspoint.
•Makesurethatthewirelessradioisenabledbydouble-clickingtheAccessConnectionsiconinthe
Windowsnotificationarea.
Note:OntheWindows7operatingsystem,clickShowhiddeniconsintheWindowsnotification
area.TheAccessConnectionsiconisdisplayed.Formoreinformationabouttheicon,seetheHelpin
AccessConnections.
•CheckNetworkName(SSID),andyourencryptioninformation.UseAccessConnectionstoverifythis
case-sensitiveinformation.
AwirelessWANproblem
Message:UnauthorizedWANcardispluggedin-PoweroffandremovetheWANcard.
Action:Thewide-area-networkcard(WANcard)isnotsupportedonthiscomputer.Removeit.
Note:SomecomputermodelsdonothaveawirelessWAN.
Chapter5.Troubleshootinganddiagnostics47
Bluetoothproblems
ForBluetoothproblems,selectyoursymptomfromthefollowinglist:
•“SounddoesnotcomefromtheBluetoothheadphone”onpage48
•“PIMitemssentfromtheWindows7operatingsystemcannotbereceivedcorrectly”onpage48
SounddoesnotcomefromtheBluetoothheadphone
Symptom:SounddoesnotcomefromtheBluetoothheadset/headphonebutcomesfromthelocalspeaker
eventhoughtheheadset/headphoneisconnectedusingHeadsetprofileorAVprofile.
Action:Dothefollowing:
1.Exittheapplicationthatusesthesounddevice(forexample,WindowsMediaPlayer).
2.OpentheControlPanelbyclickingStart➙ControlPanel.
3.ClickHardwareandSound➙Sound.
4.SelectthePlaybacktab.
5.IfyouareusingHeadsetprofile,selectBluetoothHands-freeAudioandclicktheSetDefaultbutton.If
youareusingAVprofile,selectStereoAudioandclicktheSetDefaultbutton.
6.ClickOKtoclosetheSoundwindow.
Note:Bluetoothissupportedonlyonsomecomputermodels.
PIMitemssentfromtheWindows7operatingsystemcannotbereceivedcorrectly
Symptom:PersonalInformationManager(PIM)itemssentfromtheWindows7operatingsystemcannotbe
receivedcorrectlyintotheaddressbookofanyotherBluetooth-enableddevice.
Action:TheWindows7operatingsystemsendsPIMitemsinXMLformat,butmostBluetooth-enabled
deviceshandlePIMitemsinvCardformat.IfanotherBluetooth-enableddevicecanreceiveafilethrough
Bluetooth,aPIMitemsentfromtheWindows7operatingsystemmightbesavedasafilewiththeextension
.contact.
Optionproblems
UsethisinformationtodiagnoseproblemswithLenovohardwareoptionsthatdonothavetheirown
troubleshootinginformation.
Selectyoursymptomfromthefollowinglist:
•“Anoptionthatwasjustinstalleddoesnotwork”onpage48
•“Anoptionthatpreviouslyworkeddoesnotworknow”onpage49
Anoptionthatwasjustinstalleddoesnotwork
Symptom:Anoptionthatwasjustinstalleddoesnotwork.
Action:Verifythat:
•Theoptionisdesignedforyourcomputer.
•Youfollowedtheinstallationinstructionssuppliedwiththeoptionandtheinstallationinstructionsprovided
withyourcomputer,andalloptionfiles(suchasdevicedrivers,ifrequired)areinstalledcorrectly.
•Youhavenotloosenedotherinstalledoptionsorcables.
•Iftheoptionisanadapter,youhaveprovidedenoughhardwareresourcesfortheadaptertofunction
correctly.Seethedocumentationsuppliedwiththeadapter(aswellasthedocumentationforanyother
installedadapters)todeterminetheresourcesrequiredforeachadapter.
48ThinkCentreM93zHardwareMaintenanceManual
Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on
page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage31.
Anoptionthatpreviouslyworkeddoesnotworknow
Symptom:Anoptionthatpreviouslyworkeddoesnotworknow.
Actions:
•Verifythatalloptionhardwareandcableconnectionsaresecure.
•Iftheoptioncomeswithitsowntestinstructions,usethoseinstructionstotesttheoption.
•IfthefailingoptionisaSCSIoption,verifythat:
–ThecablesforallexternalSCSIoptionsareconnectedcorrectly.
–ThelastoptionineachSCSIchain,ortheendoftheSCSIcable,isterminatedcorrectly.
–AllexternalSCSIoptionsareturnedon.ExternalSCSIoptionsmustbeturnedonbeforethecomputer
isturnedon.Formoreinformation,seeyourSCSIdocumentation.
•Verifythattheoptionandanyrequireddevicedriversareinstalledcorrectly.
Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on
page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage31.
Performanceandlockupproblems
Poorperformanceandlockupproblemscanbearesultofanyofthefollowing:
•“Insufficientfreeharddiskdrivespace”onpage49
•“Excessivenumberoffragmentedfiles”onpage50
•“Insufficientmemory”onpage51
Makeaselectionfromtheabovelisttofindoutmoreaboutthecorrectiveactionsyoucantake.
Insufficientfreeharddiskdrivespace
Symptom:Insufficientfreeharddiskdrivespace
TheWindowsoperatingsystemwillslowdownandmightproduceerrorsiftheharddiskdrivegetstoofull.
TochecktheamountoffreespaceontheWindows7operatingsystem,dothefollowing:
1.ClickStart➙Computer.
2.Right-clickyourCdriveentryandthenclickProperties.Theamountoffreediskspaceisdisplayed.
TochecktheamountoffreespaceontheWindows8operatingsystem,dothefollowing:
1.OpentheWindowsExplorerandclickComputer.
2.Right-clickyourCdriveentryandthenclickProperties.Theamountoffreediskspaceisdisplayed.
Tofreeupdiskspace,doanyofthefollowing:
•Procedure1
1.OntheWindows7operatingsystem,clickStart➙Computer.OntheWindows8operatingsystem,
opentheWindowsExplorerandclickComputer.
2.Right-clickyourCdriveentryandthenclickProperties.
3.ClickDiskCleanup.
Chapter5.Troubleshootinganddiagnostics49
4.Alistofunnecessaryfilecategoriesisdisplayed.Selecteachfilecategoryyouwanttodelete,
andthenclickOK.
•Procedure2
1.OpenControlPanel.
2.ClickPrograms.
3.ClickTurnWindowsfeaturesonoroff.
4.AlistofoptionalWindowscomponentsisdisplayed.Followtheinstructionsonthescreen.
•Procedure3
1.OntheWindows7operatingsystem,clickStart➙Computer.OntheWindows8operatingsystem,
opentheWindowsExplorerandclickComputer.
2.Right-clickyourCdriveentryandthenclickProperties.
3.ClickDiskCleanup.
4.ClickCleanupsystemfiles.
5.ClicktheMoreOptionstab.
6.IntheProgramsandFeaturesarea,clicktheCleanupbutton.
7.Alistofinstalledprogramsisdisplayed.Selecttheprogramthatyouwanttoremove.Click
Uninstall/Change.
•CleanoutyourInbox,SentItems,andDeletedItemsfoldersfromyoure-mailapplication.Thefolder
namesandproceduresvarydependingonyoure-mailapplication.Ifyouneedassistance,seethe
helpsystemforyoure-mailapplication.
Excessivenumberoffragmentedfiles
Symptom:Excessivenumberoffragmentedfiles
Action:RuntheWindowsDiskDefragmenterprogram.
Note:Dependingonthesizeoftheharddiskdriveandamountofdatacurrentlystoredontheharddisk
drive,thedisk-defragmentationprocessmighttakeuptoseveralhourstocomplete.
OntheWindows7operatingsystem,dothefollowing:
1.Closeanyprogramsthatarecurrentlyrunningandcloseanyopenwindows.
2.ClickStart➙Computer.
3.Right-clickyourCdriveentryandthenclickProperties.
4.ClicktheToolstab.
5.ClickDefragmentNow,thenclickContinue.
6.ClickDefragmentNowagaintostartadisk-defragmentationprocess.
OntheWindows8operatingsystem,dothefollowing:
1.Closeanyprogramsthatarecurrentlyrunningandcloseanyopenwindows.
2.OpentheWindowsExplorerandclickComputer.
3.Right-clickyourCdriveentryandthenclickProperties.
4.ClicktheToolstab.
5.ClickOptimize.
6.ClickOptimizeagaintostartadisk-defragmentationprocess.
50ThinkCentreM93zHardwareMaintenanceManual
Insufficientmemory
Symptom:Insufficientmemory
Ingeneral,themorememorythatisinstalled,thebettertheWindowsoperatingsystemruns.
Action:Installadditionalmemory.Forinformationaboutpurchasingmemory,see“LenovoSupportWeb
site”onpage31.Forstep-by-stepinstructionsoninstallingmemory,see“Installingorreplacingamemory
module”onpage87.
Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on
page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage31.
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,seeChapter6“UsingtheSetupUtilityprogram”
onpage55.
Iftheproblempersists,runthetestsdescribedinthedocumentationthatcomeswithyourprinter.Ifyou
cannotcorrecttheproblem,havethecomputerserviced.See“LenovoSupportWebsite”onpage31.
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,runthediagnosticprograms(see“LenovoSolutionCenter”on
page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage31.
Chapter5.Troubleshootinganddiagnostics51
Softwareproblems
Selectyoursymptomfromthefollowinglist:
•“Whenusingasortfeature,datesdonotsortinthecorrectorder”onpage52
•“Softwaredoesnotworkasexpected”onpage52
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.
•IfyouarehavingdifficultywiththeWindowsoperatingsystemoroneofitscomponents,refertothe
Windowshelpsystem.ItisaccessiblefromtheWindowsStartmenu.
•Todetermineifproblemsarecausedbynewlyinstalledsoftware,verifythat:
–Yourcomputerhastheminimummemoryrequirementsneededtousethesoftware.Seethe
informationsuppliedwiththesoftwaretoverifymemoryrequirements.(Ifyoujustinstalledanadapter
ormemory,youmighthaveamemory-addressconflict.)
–Thesoftwareisdesignedtooperateonyourcomputer.
–Othersoftwareworksonyourcomputer.
–Thesoftwareyouareusingworkscorrectlyonanothercomputer.
•Ifyoureceivedanyerrormessageswhileusingthesoftwareprogram,seetheprinteddocumentation
suppliedwiththesoftwareorthehelpsystemforthatsoftwareforadescriptionofthemessagesand
solutionstotheproblem.
•Checkwithyoursoftwaremanufacturertoseeifanyupdatesareavailable.Manysoftwaremanufacturers
makeupdatesavailablefromtheWorldWideWeb.
•Ifthesoftwareprogramusedtoworkcorrectly,butdoesnotworkcorrectlynow,dothefollowing:
–OntheWindows7operatingsystem,clickStart➙ControlPanel➙SystemandSecurity➙System
➙SystemProtection➙SystemRestore.Then,followtheinstructionsonthescreen.
–OntheWindows8operatingsystem,openControlPanelandclickSystemandSecurity➙System➙
SystemProtection➙SystemRestore.Then,followtheinstructionsonthescreen.
•Ifyouareunabletoresolvetheproblemthroughothermethods,uninstallthesoftwareprogramand
reinstallit.
Iftheseactionsdonotcorrecttheproblem,youmightneedtechnicalassistance.Contactyoursoftware
manufacturerorsee“LenovoSupportWebsite”onpage31fordetails.
52ThinkCentreM93zHardwareMaintenanceManual
USBproblems
Symptom:TheUSBconnectorscannotbeaccessed.
Actions:
•MakesuretheUSBcableissecurelyconnectedtotheUSBconnectorandtotheUSBdevice.IftheUSB
devicehasitsownpowercord,makesureitisattachedtoaproperlygroundedelectricaloutlet.
•IftheUSBdevicehasitsownOn/Offswitch,makesureitisintheOnposition.
•IftheUSBdevicehasanOnlineswitch,makesureitisintheOnlineposition.
•IftheUSBdeviceisaprinter,makesurepaperisloadedcorrectly.
•MakesureanydevicedriversorothersoftwaresuppliedwiththeUSBdeviceiscorrectlyinstalled.
RefertothedocumentationfortheUSBdevice.
•ResetthedevicebydetachingandreattachingtheUSBconnector.
Iftheseactionsdonotcorrecttheproblem,runthediagnosticprogramstotesttheUSBconnector(see
“LenovoSolutionCenter”onpage53forinstructions).IftheUSBdevicecamewithitsowndiagnostics,
runthosediagnosticsagainsttheUSBdevice.Ifyouneedtechnicalassistance,see“LenovoSupport
Website”onpage31.
Diagnostics
Thediagnosticprogramisusedtotesthardwarecomponentsofyourcomputer.Thediagnosticprogramcan
alsoreportoperating-system-controlledsettingsthatinterferewiththecorrectoperationofyourcomputer.
Youcanusethepreinstalleddiagnosticprogramtodiagnosecomputerproblems,ifyourcomputeris
runningtheWindowsoperatingsystem.
Notes:
1.YourcomputerispreinstalledwiththeLenovoSolutionCenterprogramfordiagnosticpurposes.For
moreinformationabouttheLenovoSolutionCenterprogram,see“LenovoSolutionCenter”onpage53.
2.Ifyouareunabletoisolateandrepairtheproblemyourselfafterrunningthediagnosticprogram,save
andprintthelogfilescreatedbythediagnosticprogram.Youwillneedthelogfileswhenyouspeaktoa
Lenovotechnicalsupportrepresentative.
LenovoSolutionCenter
TheLenovoSolutionCenterprogramenablesyoutotroubleshootandresolvecomputerproblems.It
combinesdiagnostictests,systeminformationcollection,securitystatus,andsupportinformation,along
withhintsandtipsformaximumsystemperformance.
Notes:
•TheLenovoSolutionCenterprogramcanbedownloadedfromhttp://www.lenovo.com/diags.
•IfyouareusingotherWindowsoperatingsystemratherthanWindows7andWindows8,goto
http://www.lenovo.com/diagsforthelatestinformationondiagnosticsforyourcomputer.
ToruntheLenovoSolutionCenterprogram,see“Lenovoprograms”onpage30.
Foradditionalinformation,refertotheLenovoSolutionCenterhelpsystem.
Note:Ifyouareunabletoisolateandrepairtheproblemyourselfafterrunningtheprogram,saveandprint
thelogfiles.YouwillneedthelogfileswhenyouspeaktoaLenovotechnicalsupportrepresentative.
Chapter5.Troubleshootinganddiagnostics53
UEFIdiagnosticprogram
AUEFIdiagnosticprogramispreinstalledonthecomputer.Itenablesyoutotestmemorymodulesand
internalstoragedevices,viewsysteminformation,andcheckandrecoverbadsectorsoninternalstorage
devices.
ToruntheUEFIdiagnosticprogram,dothefollowing:
1.Turnonthecomputer.Ifthecomputercannotbeturnedon,goto“Basictroubleshooting”onpage
35.Ifanerrorcodeisdisplayed,gotoChapter7“Symptom-to-FRUindex”onpage61forerrorcode
descriptionsandtroubleshootinghints.
2.RepeatedlypressandreleasetheF10keywhenturningonthecomputer.Themainscreenofthe
UEFIdiagnosticprogramisdisplayed.
3.Followtheinstructionsonthescreentousethediagnosticprogram.
Theoptionsonthemainscreenareasfollows:
Table2.ItemsonthemainscreenoftheUEFIdiagnosticprogram
DIAGNOSTICSTOOLS
•LCDtest
•Memory-Quicktest
•Memory-Extendedtest
•Motherboardtest
•PCI-etest
•Storage-Quicktest
•Systeminformation
•Recoverbadsectorstool
•Generateconfigurationfile
•Executefromconfigurationfile
•Exitapplication
54ThinkCentreM93zHardwareMaintenanceManual
Chapter6.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
passwords”onpage55.
WhenthePOSTdetectsthattheharddiskdrivehasbeenremovedfromyourcomputerorthememory
modulesizehasdecreased,anerrormessagewillbedisplayedwhenyoustartthecomputerandyouwillbe
promptedtodooneofthefollowing:
•PressF1toentertheSetupUtilityprogram.
Note:AfteryouentertheSetupUtilityprogram,pressF10tosavechangesandexittheSetupUtility
program.PressEnterwhenpromptedtoconfirmtheexit.Theerrormessagewillnotbedisplayedagain.
•PressF2tobypasstheerrormessageandlogintotheoperatingsystem.
Note:YouhavetoenabletheconfigurationchangedetectionfeatureforthePOSTtodetecttheremovalof
theharddiskdrive.Toenabletheconfigurationchangedetectionfeature,dothefollowing:
1.StarttheSetupUtilityprogram.
2.FromtheSetupUtilityprogrammainmenu,selectSecurity➙ConfigurationChangeDetection,
andpressEnter.
3.SelectEnabledandpressEnter.
4.PressF10tosavechangesandexittheSetupUtilityprogram.PressEnterwhenpromptedtoconfirm
theexit.
Viewingandchangingsettings
TheSetupUtilityprogrammenulistsvariousitemsaboutthesystemconfiguration.Tovieworchange
settings,starttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage55.Then,follow
theinstructionsonthescreen.
YoucanuseeitherthekeyboardorthemousetonavigatethroughBIOSmenuchoices.Thekeysusedto
performvarioustasksaredisplayedatthebottomofeachscreen.
Usingpasswords
ByusingtheSetupUtilityprogram,youcansetpasswordstopreventunauthorizedaccesstoyourcomputer
anddata.Thefollowingtypesofpasswordsareavailable:
•Power-OnPassword
©CopyrightLenovo2013,201455
•AdministratorPassword
•HardDiskPassword
Youdonothavetosetanypasswordstouseyourcomputer.However,usingpasswordsimproves
computingsecurity.Ifyoudecidetosetanypasswords,readthefollowingsections.
Passwordconsiderations
Apasswordcanbeanycombinationofupto64alphabeticandnumericcharacters.Forsecurityreasons,it
isrecommendedtouseastrongpasswordthatcannotbeeasilycompromised.Tosetastrongpassword,
usethefollowingguidelines:
•Haveatleasteightcharactersinlength
•Containatleastonealphabeticcharacterandonenumericcharacter
•SetupUtilityprogramandharddiskdrivepasswordsarenotcasesensitive
•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”onpage55.
56ThinkCentreM93zHardwareMaintenanceManual
2.FromtheSetupUtilityprogrammainmenu,selectSecurity.
3.Dependingonthepasswordtype,selectSetPower-OnPassword,SetAdministratorPassword,or
HardDiskPassword.
4.Followtheinstructionsontherightsideofthescreentoset,change,ordeleteapassword.
Note:Apasswordcanbeanycombinationofupto64alphabeticandnumericcharacters.Formore
information,see“Passwordconsiderations”onpage56.
Erasinglostorforgottenpasswords(clearingCMOS)
Thissectionprovidesinstructionsonhowtoeraselostorforgottenpasswords,suchasauserpassword.
Toerasealostorforgottenpassword,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Removethecomputercover.See“Removingthecomputercover”onpage84.
3.LocatetheClearCMOS/Recoveryjumperonthesystemboard.See“Locatingpartsonthesystem
board”onpage74.
4.Movethejumperfromthestandardposition(pin1andpin2)tothemaintenanceposition(pin2and
pin3).
5.Reinstallthecomputercoverandconnectthepowercord.See“Completingthepartsreplacement”on
page126.
6.Turnonthecomputerandleaveitonforapproximately10seconds.Then,turnoffthecomputerby
holdingthepowerswitchforapproximatelyfiveseconds.
7.Repeatstep1throughstep2.
8.MovetheClearCMOS/Recoveryjumperbacktothestandardposition(pin1andpin2).
9.Reinstallthecomputercoverandconnectthepowercord.See“Completingthepartsreplacement”on
page126.
Enablingordisablingadevice
Thissectionprovidesinformationonhowtoenableordisableuseraccesstothefollowingdevices:
USBSetupUsethisoptiontoenableordisableaUSBconnector.WhenaUSBconnectoris
disabled,thedeviceconnectedtotheUSBconnectorcannotbeused.
SATAControllerWhenthisfeatureissettoDisable,alldevicesconnectedtotheSATAconnectors
(suchasharddiskdrivesortheopticaldrive)aredisabledandcannotbeaccessed.
Toenableordisableadevice,dothefollowing:
1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage55.
2.FromtheSetupUtilityprogrammainmenu,selectDevices.
3.Dependingonthedeviceyouwanttoenableordisable,dooneofthefollowing:
•SelectUSBSetuptoenableordisableaUSBdevice.
•SelectATADriveSetuptoenableordisableaSATAdevice.
4.SelectthedesiredsettingsandpressEnter.
5.PressF10tosavechangesandexittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”
onpage60.
Chapter6.UsingtheSetupUtilityprogram57
Selectingastartupdevice
Ifyourcomputerdoesnotstartupfromadevicesuchasthediscorharddiskdriveasexpected,dooneof
thefollowingtoselectthestartupdeviceyouwant.
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”onpage55.
2.FromtheSetupUtilityprogrammainmenu,selectStartup.
3.SelectthedevicesforthePrimaryStartupSequence,theAutomaticStartupSequence,andtheError
StartupSequence.Readtheinformationdisplayedontherightsideofthescreen.
4.PressF10tosavechangesandexittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”
onpage60.
EnablingErPLPScompliancemode
Lenovocomputersmeettheeco-designrequirementsoftheErPLot3regulation.Formoreinformation,go
to:
http://www.lenovo.com/ecodeclaration
Youcanenabletheenergy-relatedproductsdirective(ErP)lowestpowerstate(LPS)compliancemodeinthe
SetupUtilityprogramtoreducetheconsumptionofelectricitywhenyourcomputerisinsleeporoffmode.
ToenableErPLPScompliancemodeintheSetupUtilityprogram,dothefollowing:
1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage55.
2.FromtheSetupUtilityprogrammainmenu,selectPower➙EnhancedPowerSavingMode,and
pressEnter.
3.SelectEnabledandpressEnter.
4.FromthePowermenu,selectAutomaticPowerOnandpressEnter.
5.SelectWakeonLanandpressEnter.
6.SelectDisabledandpressEnter.
7.PressF10tosavechangesandexittheSetupUtilityprogram.PressEnterwhenpromptedtoconfirm
theexit.
Note:WhenErPLPScompliancemodeisenabled,youcanwakeupyourcomputerbydoingoneof
thefollowing:
58ThinkCentreM93zHardwareMaintenanceManual
•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”onpage55.
2.FromtheSetupUtilityprogrammainmenu,selectPower.
3.SelectIntelligentCoolingEngine(ICE).TheIntelligentCoolingEngine(ICE)windowisdisplayed.
4.SelectICEPerformanceMode.TheICEPerformanceModewindowisdisplayed.
5.SelectBetterAcousticPerformanceorBetterThermalPerformanceasdesired.
6.PressF10tosavechangesandexittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”
onpage60.
ICEthermalalert
YoucanmonitorthethermalfunctionofyourcomputerundercriticalthermalsituationsthroughtheICE
ThermalAlertmenu.Twochoicesareavailable:
•Enabled(defaultsetting)
•Disabled
Chapter6.UsingtheSetupUtilityprogram59
AfterenablingtheICEthermalalertfunction,whencriticalthermalsituationsoccur,suchasmalfunctioning
fans,abnormallyhightemperature,andpoorcoolingperformances,analertlogwillbewrittenintothe
Windowssystemlog.Thealertlogcanhelpyouidentifythethermalproblems.
ToconfiguretheICEthermalalertfunction,dothefollowing:
1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage55.
2.FromtheSetupUtilityprogrammainmenu,selectPower.
3.SelectIntelligentCoolingEngine(ICE).TheIntelligentCoolingEngine(ICE)windowisdisplayed.
4.SelectICEThermalAlert.TheICEThermalAlertwindowisdisplayed.
5.SelectEnabledorDisabledasdesired.
6.PressF10tosavechangesandexittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”
onpage60.
ChangingtheBIOSsettingsbeforeinstallinganewoperatingsystem
BIOSsettingsvarybyoperatingsystem.ChangetheBIOSsettingsbeforeinstallinganewoperatingsystem.
TochangetheBIOSsettings,dothefollowing:
1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage55.
2.FromtheSetupUtilityprogrammainmenu,selectExit➙OSOptimizedDefault.
3.Dependingontheoperatingsystemtobeinstalled,dooneofthefollowing:
•ToinstalltheWindows8(64-bit)operatingsystem,selectEnabled.
•ToinstallanoperatingsystemotherthanWindows8(64-bit),selectDisabled.
4.SelectYesinthewindowdisplayedandpressEntertoconfirmyourselection.
5.PressF10tosavechangesandexittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”
onpage60.
ExitingtheSetupUtilityprogram
Afteryoufinishviewingorchangingsettings,pressEsctoreturntotheSetupUtilityprogrammainmenu.
YoumighthavetopressEscseveraltimes.Dooneofthefollowing:
•Ifyouwanttosavethenewsettings,pressF10tosavechangesandexittheSetupUtilityprogram.
•Ifyoudonotwanttosavethesettings,selectExit➙DiscardChangesandExit,andthenpressEnter.
WhentheResetWithoutSavingwindowshows,selectYes,andthenpressEntertoexittheSetup
Utilityprogram.
•Ifyouwanttoreturntothedefaultsettings,pressF9toloadthedefaultsettings,andthenpressF10to
saveandexittheSetupUtilityprogram.
60ThinkCentreM93zHardwareMaintenanceManual
Chapter7.Symptom-to-FRUindex
TheSymptom-to-FRUindexlistserrorsymptomsandpossiblecauses.Themostlikelycauseislistedfirst.
AlwaysbeginwiththeChapter4“Generalcheckout”onpage33.Youcanusethisindextohelpyoudecide
whichFRUsareneededwhenservicingacomputer.Ifyouareunabletocorrecttheproblemusingthis
index,goto“Undeterminedproblems”onpage65.
Notes:
1.Ifyouhavebothanerrormessageandanincorrectaudioresponse,diagnosetheerrormessagefirst.
2.Ifyoucannotrunthediagnostictestsoryougetadiagnosticerrormessagewhenrunningatest,butdidreceivea
POSTerrormessage,diagnosethePOSTerrormessagefirst.
3.Ifyoudidnotreceiveanyerrormessage,lookforadescriptionofyourerrorsymptomsinthefirstpartofthisindex.
Harddiskdrivebooterror
Aharddiskdrivebooterrorcanhavethefollowingcauses.
ErrorFRU/Action
Thestart-updriveisnotinthebootsequencein
configuration.
Checktheconfigurationandensurethestart-updriveis
inthebootsequence.
Nooperatingsysteminstalledonthebootdrive.Installanoperatingsystemonthebootdrive.
Thebootsectoronthestartupdriveiscorrupted.Thedrivemustbeformatted.Dothefollowing:
1.Attempttobackupthedataonthefailingharddisk
drive.
2.Usingtheoperatingsystemprograms,formatthe
harddiskdrive.
Thedriveisdefective.Replacetheharddiskdrive.
PowerSupplyProblems
Ifyoususpectapowerproblem,usethefollowingprocedures.
Check/VerifyFRU/Action
Checkthefollowingforproperinstallation.
•Powercord
•On/Offswitchconnector
•On/Offswitchpowersupplyconnector
•Systemboardpowersupplyconnectors
•Microprocessor(s)connection
Reseatconnectors
Checkthepowercordforcontinuity.Powercord
Checkthepower-onswitchforcontinuity.Power-onswitch
Beepsymptoms
Beepsymptomsaretonesoraseriesoftonesseparatedbypauses(intervalswithoutsound)duringPOST.
©CopyrightLenovo2013,201461
Thefollowingtablesdescribesbeepsymptoms.
BeepSymptomFRU/Action
2shortbeepsCMOSsettingerrorCommonerrorcode,seethedetailfailureinformationin
“POSTerrorcodes”onpage62.
3shortand1longbeepsDRAMmemoryerrorPerformthefollowingactionsinorder.
1.Makesurethememorymodule(s)areproperlyseated
intheconnector(s).
2.Replacethememorymodule(s).
3.Replacethesystemboard.
POSTerrorcodes
Eachtimeyoupower-onthesystem,itperformsaseriesofteststhatchecktheoperationofthesystem
andsomeoptions.ThisseriesoftestsiscalledthePower-OnSelf-Test,orPOST.POSTdoesthefollowing
operations.
•Checkssomebasicsystem-boardoperations
•Checksthememoryoperation
•Startsthevideooperation
•Verifiesthatthebootdriveisworking
IfthePOSTdetectsaproblem,anerrormessageappearsonthescreen.Asingleproblemcancauseseveral
errormessagestoappear.Whenyoucorrectthecauseofthefirsterrormessage,theothererrormessages
probablywillnotappearonthescreenthenexttimeyouturnonthesystem.
ErrorcodePOSTErrorMessageDescription/Action
0135FanfailureThesystemmightbeoverheating.
PressF10toexit.
Note:Iftheproblemiscausedbythe
microprocessorfan,pressF10will
notsolvetheproblem.
0211KeyboardnotfoundWhenthereisnokeyboarddetected,
theerrormessagewillbedisplayed.
0164MemorysizedecreasedPressF10toexit.
1762ConfigurationchangehasoccurredThiserrormessageisdisplayedwhen
aharddiskdriveoropticaldrive
changehasbeenmade.
PressF10toexit.
62ThinkCentreM93zHardwareMaintenanceManual
ErrorcodePOSTErrorMessageDescription/Action
1820Morethanoneexternalfingerprint
readerareattached.Poweroffand
removeallbutthereaderthatyouset
upwithinyourmainoperatingsystem.
Ifmorethanoneexternalfingerprint
readerareconnectedtoacomputer,
thiserrormessagewillbedisplayed
toinformyoutoremoveallofthe
fingerprintkeyboardsexceptthe
onecompatiblewiththefingerprint
applicationonyourcomputer.
1962Nooperatingsystemfound.Press
anykeytorepeatbootsequence.
ThiserroroccursonlyafterthePOST
iscompleted.
Pressanykeytorepeatboot
sequence.
Miscellaneouserrorconditions
Message/SymptomFRU/Action
ChangingdisplaycolorsDisplay/Monitor
Computerwillnotpower-off.See“Harddiskdriveboot
error”onpage61.
1.PowerSwitch
2.SystemBoard
3.Risercard,ifinstalled.
ComputerwillnotRPLfromserver1.Ensurethatnetworkisinstartupsequenceasfirst
deviceorfirstdeviceafterdiskette.
2.EnsurethatnetworkadapterisenabledforRPL.
3.Networkadapter(Advisenetworkadministratorof
newMACaddress)
ComputerwillnotperformaWakeOnLAN(ifapplicable)1.Checkpowersupplyandsignalcableconnections
tonetworkadapter.
2.Ensurethattheoperatingsystemsettingsaresetto
enableWakeonLAN.
3.EnsureWakeOnLANfeatureisenabledin
Setup/Configuration(see“StartingtheSetupUtility
program”onpage55)
4.EnsurenetworkadministratorisusingcorrectMAC
address.
5.EnsurenointerruptorI/Oaddressconflicts.
6.Networkadapter(advisenetworkadministratorof
newMACaddress)
Deadcomputer.See“Harddiskdrivebooterror”onpage
61.
1.PowerSupply
2.SystemBoard
Diskettedrivein-uselightremainsonordoesnotlight
whendriveisactive.
1.DisketteDrive
2.SystemBoard
3.DisketteDriveCable
Note:EnsurethattheLEDswitchunderOSDmenuis
enabled.ToenabletheLEDswitch,selectOSDmenu➙
AdvancedSettings➙LEDSwitch.
Blankscreenexceptforflashingcursor.1.SystemBoard
2.PrimaryHardDiskDrive
3.HardDiskDriveCable
Chapter7.Symptom-to-FRUindex63
Message/SymptomFRU/Action
IncorrectmemorysizeduringPOST1.RuntheMemorytests.
2.MemoryModule
3.SystemBoard
"InsertaDiskette"iconappearswithaknown-good
diagnosticsdisketteinthefirst3.5-inchdiskettedrive.
1.SystemBoard
2.DisketteDriveCable
3.NetworkAdapter
Intensityorcolorvariesfromlefttorightofcharacters
andcolorbars
1.Display
2.Videoadapter(ifpresent)
3.SystemBoard
Nopowerorfannotrunning1.See“Harddiskdrivebooterror”onpage61.
Non-systemdiskordiskerror-typemessagewitha
known-gooddiagnosticdiskette.
1.DisketteDrive
2.SystemBoard
3.DisketteDriveCable
Otherdisplaysymptomsnotlistedabove(includingblank
orillegibledisplay)
1.Display
2.SystemBoard
Power-onindicatororharddiskdrivein-uselightnoton,
butcomputerworkscorrectly
1.Powerswitch/LEDassembly
2.SystemBoard
Note:EnsurethattheLEDswitchunderOSDmenuis
enabled.ToenabletheLEDswitch,selectOSDmenu➙
AdvancedSettings➙LEDSwitch.
Programloadsfromtheharddiskwithaknown-good
diagnosticsdisketteinthefirst3.5-inchdiskettedrive
1.RuntheSetupUtilityprogramandcheckStartup
sequence.
2.DisketteDrive
3.DisketteDriveCable
4.SystemBoard
5.PowerSupply
RPLcomputercannotaccessprogramsfromitsownhard
disk.
1.IfnetworkadministratorisusingLCCMHybridRPL,
checkstartupsequence:
a.Firstdevice-network
b.Seconddevice-harddisk
2.Harddiskdrive
RPLcomputerdoesnotRPLfromserver1.Checkstartupsequence.
2.CheckthenetworkadapterLEDstatus.
Serialportdevicefailure(adapterport)1.ExternalDeviceSelf-TestOK?
2.ExternalDevice
3.Cable
4.AlternateAdapter
5.SystemBoard
Someorallkeysonthekeyboarddonotwork1.Keyboard
2.KeyboardCable
3.SystemBoard
64ThinkCentreM93zHardwareMaintenanceManual
Undeterminedproblems
Thissectionprovidesinstructionsonhowtofindoutthefailingdevicesoradapters.
1.Power-offthecomputer.
2.Removeordisconnectthefollowingcomponents(ifinstalled)oneatatime.
a.Anyadapters
b.Diskettedrive
c.ExternalCache
d.ExternalCacheRAM
e.Externaldevices(modem,printer,ormouse)
f.Harddiskdrive
g.Internaldevices(cardreader,Wi-Ficard,ExpressCard,camera,touchpanelcontrolboard,rear
I/Oboardorcables)
h.Memorymodules
3.Power-onthecomputertore-testthesystem.
4.Repeatsteps1through3untilyoufindthefailingdeviceoradapter.
Ifalldevicesandadaptershavebeenremoved,andtheproblemcontinues,replacethesystemboard.
Chapter7.Symptom-to-FRUindex65
66ThinkCentreM93zHardwareMaintenanceManual
Chapter8.Locations
Thischapterintroducesthelocationsofthecomputerhardwarecomponents.
Locatingconnectors,controls,andindicatorsonthefrontofyour
computer
Figure1“Frontconnector,control,andindicatorlocations”onpage67showsthelocationsofthe
connectors,controls,andindicatorsonthefrontofyourcomputer.
Figure1.Frontconnector,control,andindicatorlocations
Table3.Incomputermodeandmonitormode
1Integratedmicrophones(optional)8Volume-downcontrol(computermode)
2Ambientlightsensor(optional)9Monitormode/computermodeswitch
3Integratedcameraactivityindicator(optional)10Powerbutton
4Integratedcamerashieldcontrolslider(optional)11Power-onindicator
5Integratedcamera(optional)12Harddiskdriveactivityindicator
©CopyrightLenovo2013,201467
Table3.Incomputermodeandmonitormode(continued)
6Microphonemute/unmutecontrol(computermode)13Microphonemute/unmuteindicator
7Volume-upcontrol(computermode)
Note:Indicators3,11,12,and13arevisibleonlywhentheyarelit.
Table4.InOnScreenDisplay(OSD)
6OSDexitbutton8OSDrightorbrightness-downcontrol
7OSDleftorbrightness-upcontrol9OSDenterbutton
Note:TodisplaytheOSDmenu,pressandholdthebutton9forthreeseconds.Youcandisplayanduse
theOSDmenuinbothcomputermodeandmonitormode.
Usingyourcomputerinmonitormode
Yourcomputercanworkineither:computermodeormonitormode.Thissectionprovidesinstructions
onhowtouseyourcomputerinmonitormode.
Touseyourcomputerinmonitormode,youneedtohaveasecondcomputer.Connectoneendofthe
VGAcabletotheVGA-inconnectorontherearofyourcomputer,andconnecttheotherendtotheVGA
connectoronthesecondcomputer.Usethemonitormode/computermodeswitchontherightsideofyour
computertoswitchyourcomputerbetweencomputermodeandmonitormode.
Thefollowingtableintroducesthebuttonsthatyoucanusewhenyourcomputerisworkinginmonitormode.
IconnameFunctiondescription
OSDmenu
Pressandholdthisbuttonforthreesecondstodisplay
theOSDmenu.
Cancel/Exit
CancelanoperationorexittheOSDmenu.
Monitormode/computermodeswitch
Switchyourcomputerbetweencomputermodeand
monitormode.
AccessingtheOnScreenDisplay(OSD)
YoucanaccesstheOSDinbothcomputermodeandmonitormode.ToaccesstheOSD,pressandhold
theOSDenterbuttonforthreeseconds.
ThefollowingtableshowseachiconontheOSDmainmenu.
Layer1iconLayer1iconname
Brightness/Contrast
ImagePosition
ImageSetup
ImageProperties
68ThinkCentreM93zHardwareMaintenanceManual
Layer1iconLayer1iconname
Options
AdvancedSettings
Exit
UsingtheOSDmenu
ThefollowingsectionintroducestheiconsthatyoucanuseinOSD.
•Brightness/Contrast
–Brightness:Adjuststheoverallscreenbrightness.
–Contrast:Adjuststhedifferencebetweenlightanddarkareas.
•ImagePosition
–HorizontalPosition:Movestheimageleftorright.
–VerticalPosition:Movestheimageupordown.
•ImageSetup
–Automatic:Optimizestheimage(size,position,phase,andclock).
–Manual:Manuallyoptimizestheimage(phaseandclock).
•ImageProperties
–Color:Adjuststheintensityofred,green,andblue.
–Scaling:Expandstheimagetofullscreen.
•Options
–Information:Displaystheresolution,refreshrate,andproductdetails.
–MenuLanguage:Changesthelanguageofthemenu.
–MenuPosition:Adjuststhelocationofthemenu.
–FactoryDefault:Resetsthemonitortooriginalsettings.
–Accessibility:Changesthemenutime-outsettings.
•AdvancedSettings
–Ctrl+Alt+Del:Displaysthesystemrestartmenu.
–DebugMode:Displaysthedebuginformationafterthecomputerrestarts(onlyforLenovotrained
servicepersonnel).
Note:Bydefault,thisfunctionisdisabledtoensurethatyourcomputercanworkproperly.
–LEDSwitch:TurnsonorturnsofftheLEDs.
•Exit:ExitstheOSDmenu.
Chapter8.Locations69
Locatingconnectorsontherearofyourcomputer
Figure2“Rearconnectorlocations”onpage70showsthelocationsoftheconnectorsontherearofyour
computer.Someconnectorsontherearofyourcomputerarecolor-codedtohelpyoudeterminewhereto
connectthecablesonyourcomputer.
Figure2.Rearconnectorlocations
1Opticaldrive(optional)9VGA-inconnector
2PS/2mouseconnector(optional)10USB3.0connectors(USBports3to6)
3PS/2keyboardconnector(optional)11ExpressCardslot(optional)
4Serialconnector(optional)12Cardreaderslot(optional)
5Powercordconnector13USB3.0connector(USBport2)(supportingUSB
charging)
6Security-lockslot14Headsetconnector(alsoknownascomboaudio
connector)
70ThinkCentreM93zHardwareMaintenanceManual
7Ethernetconnector15Microphoneconnector
8DisplayPort®-outconnector16USB3.0connector(USBport1)
Notes:
•Theheadsetconnector14supportsamicrophone-integratedheadsetanddoesnotsupporta
conventionalmicrophone.
•Bydefault,theUSB3.0connector13enablesyoutochargesomemobiledigitaldevicesand
smartphoneswhenyourcomputerisinsleepmode,inhibernationmode,orturnedoff.
Thecardreaderslot12isfor11-in-1cardreaders,supportingthefollowingcards:
•ExtremeDigital(x-D)PictureCard(typeH)
•ExtremeDigital(x-D)PictureCard(typeM)
•MemoryStick(MS)
•MSPRO
•MultiMediaCard(MMC)
•MultiMediaCard-mobile(MMC-mobile)
•MultiMediaCard-plus(MMC-plus)
•Reduced-SizeMultiMediaCard(RS-MMC)
•SecureDigital(SD)card
•SecureDigitaleXtended-Capacity(SDXC)card
•SecureDigitalHigh-Capacity(SDHC)card
LocatingmajorFRUsandCRUs
Figure3“LocatingmajorFRUsandCRUsformodelswiththe23-inchdisplay”onpage72showsthe
locationsofthemajorFRUsandCRUsinthecomputer.Toremovethecomputercover,see“Removingthe
computercover”onpage84.
Chapter8.Locations71
3
4
5
6
33
31
32
Figure3.LocatingmajorFRUsandCRUsformodelswiththe23-inchdisplay
72ThinkCentreM93zHardwareMaintenanceManual
ThefollowingtableliststhemajorFRUsshowninFigure3“LocatingmajorFRUsandCRUsformodelswith
the23-inchdisplay”onpage72andidentifieswhichFRUsarealsoself-serviceCRUsoroptional-service
CRUs.
Notes:
•Self-serviceCRUs:TheseCRUsunplugoraresecuredbynomorethantwoscrews.Examplesof
thesetypesofCRUsincludethekeyboard,themouse,anyUSBdevice,andthepowercord.Other
self-serviceCRUsdependingonproductdesignmightincludememorymodules,adaptercards,hard
diskdrives,andopticaldrives.
•Optional-serviceCRUs:TheseCRUsareisolatedpartswithinthecomputerandareconcealedbyan
accesspanelthatistypicallysecuredbymorethantwoscrews.Oncetheaccesspanelisremoved,the
specificCRUisvisible.
NumberFRUdescriptionSelf-serviceCRUOptional-serviceCRU
1Framestandormonitorstand(optional)YesNo
2ThermalsensorNoYes
3HeatsinkYesNo
4BatteryNoNo
5Wi-Ficardmodule(optional)NoNo
6MicroprocessorNoYes
7MemorymodulesYesNo
8Heatsinkandfanassemblyforgraphics
processingunit(GPU)(optional)
NoYes
9Cardreader(optional)YesNo
10ExpressCard(optional)NoYes
11mSATAsolid-statedrive(alsocansupportmini
PCIExpressx1cardfunctionwithlimitation)
YesNo
12SystemboardNoNo
13RearI/OassemblyNoYes
14PowersupplyassemblyNoNo
15RearPS/2connectorsandserialportassembly
(optional)
NoYes
16WiFiantennasNoNo
17FrontbezelNoNo
18Touchpanelcontrolboard(optional)YesNo
19Internalspeaker
20Framefoot(optional)NoYes
21Touchpanelcontrolboard(optional)YesNo
22InternalspeakerYesNo
23PowerswitchandcontrolbuttonboardNoNo
24LCDpanelNoNo
25HarddiskdriveYesNo
26Opticaldrive(optional)YesNo
27ConverterboardNoYes
Chapter8.Locations73
NumberFRUdescriptionSelf-serviceCRUOptional-serviceCRU
28MicroprocessorfanNoNo
29VideoElectronicsStandardsAssociation(VESA®)
mountbracket
NoNo
30Integratedcamerawithmicrophone(optional)NoYes
31Lightsensor(optional)NoNo
32KeyboardYesNo
33MouseYesNo
LookingupFRUinformation
FordetailedFRUinformation,suchastheFRUpartnumbersandsupportedcomputermodels,goto:
http:/www.lenovo.com/serviceparts-lookup
Locatingpartsonthesystemboard
Figure4“Systemboardpartlocations”onpage74showsthelocationsofthepartsonthesystemboard.
Figure4.Systemboardpartlocations
1Microprocessor15RearI/Oassemblyslot
2ClearComplementaryMetalOxide
Semiconductor(CMOS)/Recoveryjumper
16FrontLEDconnector
74ThinkCentreM93zHardwareMaintenanceManual
3Battery17Touchpanelcontrolboardconnector*
4MiniPCIExpressx1cardslot18Frontcontrolpanelconnector
5Integratedcameraconnector19Serialconnector
6Lightsensorconnector*20Keyboardandmousecableconnector
7Memoryslots(2)21SATApowerconnector
8ManagementEngine(ME)disabledjumper22SATA3.0connector(forconnectingtheharddiskdrive)
9Thermalsensorconnector23Converterboardpowerconnector
10Cardreaderconnector24SATA3.0connector(forconnectingtheopticaldrive,the
secondaryharddiskdrive,orthesecondarysolid-statedrive)
11Internalspeakerconnector25GPUfanconnector*
12ExpressCardconnector*2614-pinpowerconnector
13Displayconnector27Microprocessorfanconnector
14mSATAsolid-statedriveslot(alsocansupport
miniPCIExpressx1cardfunctionwithlimitation)
Note:*denotesthatthecomponentsconnectingto6,12,17,and25areonlyavailableinsomemodels.
Chapter8.Locations75
Adjustingtheframestand
Yourcomputermightcomewithaframestandthatyoucanusetoadjustthecomputertoyourcomfortable
position.Pullthestandopenandadjustthepositionofthecomputeratananglebetween10°and45°
asshowninthefollowingillustration.
Note:Theframestandisavailableonlyinsomemodels.
CAUTION:
Ensurethattheangleisatleast10°fromthevertical;otherwise,thecomputermightbeunstable
andfallover.
Figure5.Adjustingtheframestand
76ThinkCentreM93zHardwareMaintenanceManual
Adjustingthemonitorstand
Yourcomputermightcomewithamonitorstandthatyoucanusetoadjustthecomputertoyourcomfortable
position.
Thefollowingillustrationshowsthatyoucanadjustthepositionofthecomputeratanangleof5°tothe
frontand45°totherear.
Figure6.Adjustingtheverticalpositionofthecomputertothefrontortotherear
Chapter8.Locations77
Thefollowingillustrationshowsthatyoucanadjusttheheightofthemonitorstandwithinalengthof110.00
mm(4.33inches).
Note:Computerheightwiththemonitorstand:between283.50mm(11.16inches)and293.50mm(11.56
inches)
Figure7.Adjustingtheheightofthemonitorstand
Thefollowingillustrationshowsthatyoucanturnthecomputeratanangelof45°totheleftand45°tothe
right.
Figure8.Turningthecomputertotheleftortotheright
78ThinkCentreM93zHardwareMaintenanceManual
Machinetypeandmodellabel
Themachinetypeandmodellabelidentifiesyourcomputer.WhenyoucontactLenovoforhelp,themachine
typeandmodelinformationhelpssupporttechnicianstoidentifyyourcomputerandprovidefasterservice.
Thefollowingisasampleofthemachinetypeandmodellabel.
Figure9.Machinetypeandmodellabel
Chapter8.Locations79
80ThinkCentreM93zHardwareMaintenanceManual
Chapter9.ReplacingFRUs
ThischapterprovidesinstructionsaboutremovingorreplacingmajorFRUs.NotallFRUsaredocumented.
Important
BeforeyoureplaceanyFRU,readChapter2“Safetyinformation”onpage3.Theseprecautionsand
guidelineswillhelpyouworksafely.
FRUreplacementsaretobedonebytrainedservicetechniciansonly.
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:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
Notes:
1.UseonlycomputerpartsprovidedbyLenovo.
2.Wheninstallingorreplacinganoption,usetheappropriateinstructionsinthissectionalongwiththe
instructionsthatcomewiththeoption.
Installingexternaloptions
Youcanconnectexternaloptionstoyourcomputer,suchasexternalspeakers,aprinter,orascanner.For
someexternaloptions,youmustinstalladditionalsoftwareinadditiontomakingthephysicalconnection.
Wheninstallinganexternaloption,see“Locatingconnectors,controls,andindicatorsonthefrontofyour
computer”onpage67and“Locatingconnectorsontherearofyourcomputer”onpage70toidentifythe
©CopyrightLenovo2013,201481
requiredconnector.Then,usetheinstructionsthatcomewiththeoptiontohelpyoumaketheconnection
andinstallanysoftwareordevicedriversthatarerequiredfortheoption.
Installingthemonitorstand
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
Thissectionprovidesinstructionsonhowtoinstallthemonitorstand.
Notes:
•Themonitorstandisavailableonlyinsomemodels.Ifyourcomputercomeswiththemonitorstand,the
instructionsonhowtoremovetheframestandalsoapplytotheremovalofthemonitorstand.
•Theframefootillustratedinthefollowinginstructionsisavailableonlyoncomputersthatcomewiththe
framestand.Ifyouremovetheframestandandinstallthemonitorstand,donotremovetheframefoot.
Toinstallthemonitorstand,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Ifyourcomputerisinstalledwithaframestand,pressthereleasebuttontowardthetopofthecomputer
andlifttheframestandoffthecomputer.
Figure10.Removingtheframestand
4.Toinstallthemonitorstand,alignthetwoclipsonthetopofthemonitorstandwiththetwoholesin
thechassis,andthenpressthereleasebuttontowardthetopofthecomputeruntilthemonitorstand
issecuredinposition.
82ThinkCentreM93zHardwareMaintenanceManual
Figure12.Removingthemonitorstandlock
6.Ifneeded,openthecablemanagerandroutethecablesconnectedtothecomputerthroughthecable
managertokeepyourworkspaceneat.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
Removingthecomputercover
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
Thissectionprovidesinstructionsonhowtoremovethecomputercover.
CAUTION:
Beforeyouopenthecomputercover,turnoffthecomputerandwaitseveralminutesuntilthe
computeriscool.
Toremovethecomputercover,dothefollowing:
1.Removeanymediafromthedrivesandturnoffallattacheddevicesandthecomputer.
2.Disconnectallpowercordsfromelectricaloutlets.
3.Disconnectthepowercords,Input/Outputcables,andanyothercablesthatareconnectedtothe
computer.See“Locatingconnectors,controls,andindicatorsonthefrontofyourcomputer”onpage
67and“Locatingconnectorsontherearofyourcomputer”onpage70.
4.Removeanylockingdevicethatsecuresthecomputercover,suchasanaKensington-stylecablelock.
84ThinkCentreM93zHardwareMaintenanceManual
5.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
6.Removetheframestand.See“Installingthemonitorstand”onpage82.
7.Pressthetwocover-releasebuttonsonthecomputercoverasshown,slidethecomputercovertoward
thetopofthecomputer,andthenliftthecomputercoveruptoremoveitfromthechassis.
Figure13.Removingthecomputercover
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
Removingandreinstallingtheframefoot
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
Thissectionprovidesinstructionsonhowtoremoveandreinstalltheframefoot.
Note:Theframefootisavailableonlyinsomemodels.
Toremoveandreinstalltheframefoot,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removetheframestand.See“Installingthemonitorstand”onpage82.
4.Removethecomputercover.See“Removingthecomputercover”onpage84.
5.Locatetheframefoot.See“LocatingmajorFRUsandCRUs”onpage71.
6.Removethefourscrewsthatsecuretheframefoottothechassis,andthenslidetheframefootoutof
thechassis.
Chapter9.ReplacingFRUs85
Figure14.Removingtheframefoot
7.Toreinstalltheframefoot,alignthefourscrewholesintheframefootwiththoseinthechassis,andthen
installthescrewstosecuretheframefoottothechassis.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
RemovingandreinstallingtherearI/Oassembly
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
ThissectionprovidesinstructionsonhowtoremoveandreinstalltherearI/Oassembly.
ToremoveandreinstalltherearI/Oassembly,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage84.
4.LocatetherearI/Oassembly.See“LocatingmajorFRUsandCRUs”onpage71.
5.Removethescrews1thatsecuretherearI/Oassemblytothechassis.Then,lifttherearI/Oassembly
upwardtoremoveitfromtherearI/Oassemblyslot.
86ThinkCentreM93zHardwareMaintenanceManual
Figure15.RemovingtherearI/Oassembly
6.ToreinstalltherearI/Oassembly,alignthescrewholesintherearI/Oassemblywiththoseinthe
chassis.Then,pressthetopoftherearI/Oassemblydownwarduntilitsnapsintoplace.
7.InstallthescrewstosecuretherearI/Oassemblytothechassis.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
Installingorreplacingamemorymodule
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
Thissectionprovidesinstructionsonhowtoinstallorreplaceamemorymodule.
Yourcomputerhastwoslotsforinstallingorreplacingdoubledatarate3smalloutlinedualinlinememory
modules(DDR3SODIMMs)thatprovideuptoamaximumof16GBsystemmemory.Wheninstalling
orreplacingamemorymodule,use2GB,4GBor8GBDDR3SODIMMsinanycombinationupto
amaximumof16GB.
Toinstallorreplaceamemorymodule,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removetheframestand.See“Installingthemonitorstand”onpage82.
4.Removethecomputercover.See“Removingthecomputercover”onpage84.
Chapter9.ReplacingFRUs87
5.Locatethememorymodules.See“LocatingmajorFRUsandCRUs”onpage71.
6.Opentheretainingclips.Ifyouarereplacinganoldmemorymodule,opentheretainingclipsand
removethememorymodulebeingreplacedasshown.
Figure16.Removingthememorymodule
7.Insertthenotchedend2ofthenewmemorymoduleintotheslot1.Pressthememorymodule
firmlyandpivotthememorymoduleuntilitsnapsintoplace.Makesurethatthememorymoduleis
securedintheslotanddoesnotmoveeasily.
Figure17.Installingamemorymodule
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
Replacingtheharddiskdrive
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
Thissectionprovidesinstructionsonhowtoreplacetheharddiskdrive.
Toreplacetheharddiskdrive,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
88ThinkCentreM93zHardwareMaintenanceManual
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage84.
4.Locatetheharddiskdriveinthecomputer.See“LocatingmajorFRUsandCRUs”onpage71.
5.Presstheclipsoftheharddiskdrivebracketinwardandthenslidetheharddiskdrivetotheleftto
removeitfromthechassis.
Figure18.Removingtheharddiskdrive
6.Flexthesidesoftheharddiskdrivebracketproperlytoremovetheharddiskdriveoutofthebracket.
7.Toinstallthenewharddiskdriveintothebracket,flexthebracketandalignpin1,pin2,pin3,andpin
4onthebracketwiththecorrespondingholesintheharddiskdrive.
Figure19.Installingtheharddiskdriveintothebracket
8.Alignthefourpinsontheharddiskdrivebracketwiththecorrespondingclipsinthechassisandslide
theharddiskdrivebrackettotherightuntilitsnapsintoposition.
Chapter9.ReplacingFRUs89
Figure20.Installingtheharddiskdrive
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
Replacingtheopticaldrive
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
Thissectionprovidesinstructionsonhowtoreplacetheopticaldrive.
Note:Theopticaldriveisavailableonlyinsomemodels.
Toreplacetheopticaldrive,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage84.
4.Locatetheopticaldrive.See“LocatingmajorFRUsandCRUs”onpage71.
5.Presstheopticaldrivereleasebutton1towardthetopofthecomputerandthenslidetheopticaldrive
outoftheopticaldrivebay.
90ThinkCentreM93zHardwareMaintenanceManual
Figure21.Removingtheopticaldrive
6.Toinstallanewopticaldrive,slidethenewopticaldriveintotheopticaldrivebayuntilitsnapsinto
position.
Figure22.Installingtheopticaldrive
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
Replacingtheconverterboard
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
Thissectionprovidesinstructionsonhowtoreplacetheconverterboard.
Toreplacetheconverterboard,dothefollowing:
Chapter9.ReplacingFRUs91
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage84.
4.Removetheopticaldrive.See“Replacingtheopticaldrive”onpage90.
5.Locatetheconverterboard.See“LocatingmajorFRUsandCRUs”onpage71.
6.Removethethreescrews1thatsecuretheconverterboardtothechassisanddisconnectthecables.
Then,lifttheconverterboardoffthechassis.
Figure23.Removingtheconverterboard
7.Connectthecablestothenewconverterboardandalignthethreescrewholesinthenewconverter
boardwiththoseinthechassis.
8.Installthethreescrewstosecurethenewconverterboardtothechassis.
9.Reinstalltheopticaldrive.See“Replacingtheopticaldrive”onpage90.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
Replacingtheheatsink
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
Thissectionprovidesinstructionsonhowtoreplacetheheatsink.
CAUTION:
Theheatsinkmightbeveryhot.Beforeyouopenthecomputercover,turnoffthecomputerand
waitseveralminutesuntilthecomputeriscool.
Toreplacetheheatsink,dothefollowing:
92ThinkCentreM93zHardwareMaintenanceManual
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage84.
4.Locatetheheatsink.See“LocatingmajorFRUsandCRUs”onpage71.
5.Followthissequencetoremovethefourscrewsthatsecuretheheatsinktothesystemboard:
a.Partiallyremovescrew1,thenfullyremovescrew2,andthenfullyremovescrew1.
b.Partiallyremovescrew3,thenfullyremovescrew4,andthenfullyremovescrew3.
Note:Carefullyremovethefourscrewsfromthesystemboardtoavoidanypossibledamagetothe
systemboard.Thefourscrewscannotberemovedfromtheheatsink.
Figure24.Removingtheheatsink
6.Removethefailingheatsinkoffthesystemboard.
Notes:
a.Youmighthavetogentlytwisttheheatsinktofreeitfromthemicroprocessor.
b.Donottouchthethermalgreasewhilehandlingtheheatsink.
7.Positionthenewheatsinkonthesystemboardsothatthefourscrewsarealignedwiththe
correspondingholesinthesystemboard.
8.Followthissequencetoinstallthefourscrewstosecuretheheatsink,asshowninFigure24“Removing
theheatsink”onpage93.
a.Partiallytightenscrew1,thenfullytightenscrew2,andthenfullytightenscrew1.
b.Partiallytightenscrew3,thenfullytightenscrew4,andthenfullytightenscrew3.
Chapter9.ReplacingFRUs93
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
Replacingthemicroprocessor
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
Thissectionprovidesinstructionsonhowtoreplacethemicroprocessor.
CAUTION:
Theheatsinkandmicroprocessormightbeveryhot.Beforeyouopenthecomputercover,turnoff
thecomputerandwaitseveralminutesuntilthecomputeriscool.
Toreplacethemicroprocessor,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage84.
4.Locatethesystemboardanddisconnectallcablesconnectedtothesystemboard.See“Locating
partsonthesystemboard”onpage74.
5.Removetheheatsinktogainaccesstothemicroprocessor.See“Replacingtheheatsink”onpage92.
Note:Placetheheatsinkonitssidesothatthethermalgreaseonthebottomofitdoesnotgetin
contactwithanything.
94ThinkCentreM93zHardwareMaintenanceManual
6.Liftthesmallhandle1andopentheretainer2toaccessthemicroprocessor3.
Figure25.Accessingthemicroprocessor
7.Liftthemicroprocessorstraightupandoutofthemicroprocessorsocket.
Figure26.Removingthemicroprocessor
Notes:
a.Yourmicroprocessorandsocketmightlookdifferentfromtheoneillustrated.
Chapter9.ReplacingFRUs95
b.Notetheorientationofthemicroprocessorinthesocket.Youcaneitherlookforthesmalltriangle1
ononecornerofthemicroprocessorornotetheorientationofthenotches2onthemicroprocessor.
Thisisimportantwheninstallingthenewmicroprocessoronthesystemboard.
c.Touchonlytheedgesofthemicroprocessor.Donottouchthegoldcontactsonthebottom.
d.Donotdropanythingontothemicroprocessorsocketwhileitisexposed.Thesocketpinsmustbe
keptascleanaspossible.
8.Makesurethatthesmallhandleisintheraisedpositionandthemicroprocessorretainerisfullyopen.
9.Removetheprotectivecoverthatprotectsthegoldcontactsofthenewmicroprocessor.
10.Holdthenewmicroprocessorbyitssidesandalignthesmalltriangleononecornerofthenew
microprocessorwiththecorrespondingsmalltriangleononecornerofthemicroprocessorsocket.
11.Lowerthenewmicroprocessorstraightdownintothemicroprocessorsocketonthesystemboard.
Figure27.Installingthemicroprocessor
12.Closethemicroprocessorretainerandlockitintopositionwiththesmallhandletosecurethenew
microprocessorinthesocket.
13.Reinstalltheheatsink.See“Replacingtheheatsink”onpage92.
14.Reconnectallcablesthatweredisconnectedfromthesystemboard.
96ThinkCentreM93zHardwareMaintenanceManual
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletethereplacement,goto“Completingthepartsreplacement”onpage126.
Replacingtheinternalspeakers
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
Thissectionprovidesinstructionsonhowtoreplacetheinternalspeakers.
Toreplacetheinternalspeakers,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage84.
4.Locatetheinternalspeakers.See“LocatingmajorFRUsandCRUs”onpage71.
5.Notethelocationoftheinternalspeakercableconnection.Notetheroutingoftheinternalspeaker
cables.Disconnecttheinternalspeakercablesfromthesystemboard.
6.Removethetwoscrewsthatsecureeachinternalspeakertothefrontbezel,andthenremovethe
internalspeakersfromthecomputer.
Figure28.Removingtheinternalspeakers
7.Routethenewinternalspeakercablesandthenpositionthenewinternalspeakersonthefrontbezelso
thatthetwoscrewholesineachinternalspeakeralignwiththoseinthefrontbezel.
8.Reinstallthetwoscrewstosecureeachoftheinternalspeakerstothefrontbezel.
9.Reconnecttheinternalspeakercablestothesystemboard.See“Locatingpartsonthesystemboard”
onpage74.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
Chapter9.ReplacingFRUs97
Replacingthethermalsensor
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
Thissectionprovidesinstructionsonhowtoreplacethethermalsensor.
Toreplacethethermalsensor,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage84.
4.Locatethethermalsensor.See“LocatingmajorFRUsandCRUs”onpage71.
5.Notetheroutingofthethermalsensorcable,andthendisconnectthethermalsensorcablefrom
thesystemboard.
6.Removethescrews1thatsecuretheVESAmountbracket,andthenlifttheVESAmountbracket
offthechassis.
Figure29.RemovingtheVESAmountbracket
7.PressthethermalsensorclipsinwardtodisengagethethermalsensorfromtheVESAmountbracket.
Note:Thelocationofthethermalsensorinyourcomputermightbeslightlydifferentfromtheillustration.
98ThinkCentreM93zHardwareMaintenanceManual
Figure30.Removingthethermalsensor
8.Toinstallanewthermalsensor,insertthenewthermalsensorintothecorrespondingholeintheVESA
mountbracket,andthenpressthethermalsensortowardstheVESAmountbracketuntilitsnaps
intoposition.
Note:Thelocationofthethermalsensorinyourcomputermightbeslightlydifferentfromtheillustration.
Chapter9.ReplacingFRUs99
Figure31.Removingthethermalsensor
9.Connectthethermalsensorcabletothesystemboard.See“Locatingpartsonthesystemboard”
onpage74.
10.AlignthescrewholesintheVESAmountbracketwiththoseinthechassis,andtheninstallthescrews
tosecuretheVESAmountbrackettothechassis.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
Replacingthecoverpresenceswitch(alsocalledintrusionswitch)
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
Thissectionprovidesinstructionsonhowtoreplacethecoverpresenceswitch.
Toreplacethecoverpresenceswitch,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
100ThinkCentreM93zHardwareMaintenanceManual
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage84.
4.Locatethecoverpresenceswitch.See“LocatingmajorFRUsandCRUs”onpage71.
5.Notetheroutingofthecoverpresenceswitchcable,andthendisconnectthecoverpresenceswitch
cablefromthesystemboard.
6.Removethescrews1thatsecuretheVESAmountbracket,andthenlifttheVESAmountbracket
offthechassis.
Figure32.RemovingtheVESAmountbracket
7.PressthecoverpresenceswitchclipsinwardtodisengagethecoverpresenceswitchfromtheVESA
mountbracket.
Note:Thelocationofthecoverpresenceswitchinyourcomputermightbeslightlydifferentfromthe
illustration.
Chapter9.ReplacingFRUs101
Figure33.Removingthecoverpresenceswitch
8.Toinstallanewcoverpresenceswitch,insertthenewcoverpresenceswitchintothecorresponding
holeintheVESAmountbracket,andthenpressthecoverpresenceswitchtowardstheVESAmount
bracketuntilitsnapsintoposition.
Note:Thelocationofthecoverpresenceswitchinyourcomputermightbeslightlydifferentfromthe
illustration.
102ThinkCentreM93zHardwareMaintenanceManual
Figure34.Removingthecoverpresenceswitch
9.Connectthecoverpresenceswitchcabletothesystemboard.See“Locatingpartsonthesystem
board”onpage74.
10.AlignthescrewholesintheVESAmountbracketwiththoseinthechassis,andtheninstallthescrews
tosecuretheVESAmountbrackettothechassis.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
Replacingtheintegratedcamera
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
Thissectionprovidesinstructionsonhowtoreplacetheintegratedcamera.
Chapter9.ReplacingFRUs103
Note:Theintegratedcameraisavailableonlyinsomemodels.
Toreplacetheintegratedcamera,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage84.
4.Locatetheintegratedcamera.See“LocatingmajorFRUsandCRUs”onpage71.
5.Notetheroutingoftheintegratedcameracableandthendisconnecttheintegratedcameracablefrom
thesystemboard.See“Locatingpartsonthesystemboard”onpage74.
6.Removethetwoscrews1thatsecuretheintegratedcameratothefrontbezel,andthenremovethe
integratedcamerafromthecomputer.
Figure35.Removingtheintegratedcamera
7.Routethenewintegratedcameracableandthenpositionthenewintegratedcamerainplace.Alignthe
twoscrewholesinthenewintegratedcamerawiththoseinthefrontbezel.
8.Reinstallthetwoscrewstosecurethenewintegratedcameratothefrontbezel.
9.Connecttheintegratedcameracabletothesystemboard.See“Locatingpartsonthesystemboard”
onpage74.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
ReplacingtheWiFicard
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
ThissectionprovidesinstructionsonhowtoreplacetheWiFicard.
104ThinkCentreM93zHardwareMaintenanceManual
Note:TheWiFicardisavailableonlyinsomemodels.
ToreplacetheWI-FIcard,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage84.
4.LocatetheWI-FIcardonthesystemboard.See“Locatingpartsonthesystemboard”onpage74.
5.DisconnectthetwocablesfromtheWI-FIcard,andthenremovethescrewthatsecurestheWI-FIcard
tothesystemboard.
Figure36.RemovingthecablesfromtheWI-FIcard
Chapter9.ReplacingFRUs105
6.CarefullypivottheWI-FIcardupwardandlifttheWI-FIcardtoremoveitfromthecardslot.
Figure37.RemovingtheWI-FIcard
7.InsertthenotchedendofthenewWI-FIcardintothecardslot.PressthenewWI-FIcardfirmly,and
thenpivottheWI-FIcardtoalignthescrewholeinthenewWI-FIcardwiththeoneinthesystemboard.
8.InstallthescrewtosecurethenewWI-FIcardtothesystemboard.
9.ConnectthetwocablestothenewWI-FIcard.
Note:Inmostareasoftheworld,LenovorequiresthereturnofthedefectiveFieldReplacementUnits(FRUs).
InformationaboutthiswillcomewiththenewFRUsorwillcomeafewdaysafteryoureceivethenewFRUs.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
Replacingtheambientlightsensor
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
Thissectionprovidesinstructionsonhowtoreplacetheambientlightsensor.
Note:Theambientlightsensorisavailableonlyinsomemodels.
Toreplacetheambientlightsensor,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
106ThinkCentreM93zHardwareMaintenanceManual
3.Removethecomputercover.See“Removingthecomputercover”onpage84.
4.Locatetheambientlightsensor.See“LocatingmajorFRUsandCRUs”onpage71.
5.Carefullyremovethetwoscrews1thatsecuretheambientlightsensor,andthenlifttheambientlight
sensoroutofthecomputer.
Figure38.Removingtheambientlightsensor
6.Disconnecttheambientlightsensorcablefromthesystemboard.
7.Alignthescrewholesinthenewambientlightsensorwiththecorrespondingholesinthefrontbezel,
andtheninstallthetwoscrewstosecuretheambientlightsensor.
8.Connectthenewambientlightsensorcabletothesystemboard.See“Locatingpartsonthesystem
board”onpage74.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
Replacingthecardreader
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
Thissectionprovidesinstructionsonhowtoreplacethecardreader.
Note:Thecardreaderisavailableonlyinsomemodels.
Toreplacethecardreader,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage84.
Chapter9.ReplacingFRUs107
4.Locatethecardreader.See“LocatingmajorFRUsandCRUs”onpage71.
5.Disconnectthecardreadercablefromthecardreader.
6.Removethetwoscrews1thatsecurethecardreader,andthenliftthecardreaderoutofthecomputer.
Figure39.Removingthecardreader
7.Alignthescrewholesinthenewcardreaderwiththoseonthesystemboard,andtheninstallthe
twoscrewstosecurethecardreader.
8.Connectthecardreadercabletothenewcardreader.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
ReplacingthemSATAsolid-statedriveorminiPCIExpressx1card
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
ThissectionprovidesinstructionsonhowtoreplacethemSATAsolid-statedriveortheminiPCIExpressx1
card.
Notes:
•ThemSATAsolid-statedriveorminiPCIExpressx1cardisavailableonlyinsomemodels.
•YourcomputercansupportminiPCIExpressx1cardfunctionwithlimitation.
ToreplacethemSATAsolid-statedriveorminiPCIExpressx1card,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
108ThinkCentreM93zHardwareMaintenanceManual
2.Removethecomputercover.See“Removingthecomputercover”onpage84.
3.RemovetherearI/Oassembly.See“RemovingandreinstallingtherearI/Oassembly”onpage86.
4.Removethescrew1thatsecuresthemSATAsolid-statedriveorminiPCIExpressx1card.Then,
removethemSATAsolid-statedriveorminiPCIExpressx1cardfromthechassis.
Figure40.RemovingthescrewthatsecuresthemSATAsolid-statedriveorminiPCIExpressx1card
5.CarefullypivotthemSATAsolid-statedriveorminiPCIExpressx1cardupwardandliftthemSATA
solid-statedriveorminiPCIExpressx1cardtoremoveitfromthecardslot.
Figure41.RemovingthemSATAsolid-statedriveorminiPCIExpressx1card
6.InsertthenotchedendofthenewmSATAsolid-statedriveorminiPCIExpressx1cardintothecard
slot.PressthenewmSATAsolid-statedriveorminiPCIExpressx1cardfirmly,andthenpivotthe
Chapter9.ReplacingFRUs109
mSATAsolid-statedriveorminiPCIExpressx1cardtoalignthescrewinthenewmSATAsolid-state
driveorminiPCIExpressx1cardwiththeoneinthesystemboard.
7.InstallthescrewtosecurethenewmSATAsolid-statedriveorminiPCIExpressx1cardinplace.
8.ReinstalltherearI/Oassembly.See“RemovingandreinstallingtherearI/Oassembly”onpage86.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
ReplacingtheExpressCard
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
ThissectionprovidesinstructionsonhowtoreplacetheExpressCard.
Note:TheExpressCardisavailableonlyinsomemodels.
ToreplacetheExpressCard,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage84.
4.LocatetheExpressCard.See“LocatingmajorFRUsandCRUs”onpage71.
5.Carefullyremovethefourscrews1thatsecuretheExpressCardtothesystemboard,andthenliftit
offthesystemboard.
Figure42.RemovingtheExpressCard
110ThinkCentreM93zHardwareMaintenanceManual
6.ConnectthenewExpressCardtotheExpressCardconnectoronthesystemboard.Alignthescrew
holesinthenewExpressCardwiththecorrespondingholesinthesystemboard,andtheninstallthe
fourscrewstosecurethenewExpressCardtothesystemboard.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
ReplacingtheheatsinkandfanassemblyforGPU
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
ThissectionprovidesinstructionsonhowtoreplacetheheatsinkandfanassemblyforGPU.
Note:TheheatsinkandfanassemblyforGPUisavailableonlyinmodelsinstalledwiththeGPU.
CAUTION:
TheheatsinkandfanassemblyforGPUmightbeveryhot.Turnoffthecomputerandwaitthreeto
fiveminutestoletthecomputercoolbeforeremovingthecomputercover.
ToreplacetheheatsinkandfanassemblyforGPU,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage84.
4.LocatetheheatsinkandfanassemblyforGPU.See“LocatingmajorFRUsandCRUs”onpage71.
5.NotetheroutingoftheGPUfancable,andthendisconnecttheGPUfancablefromthesystemboard.
6.FollowthissequencetoremovethefourscrewsthatsecuretheheatsinkandfanassemblyforGPU
tothesystemboard:
a.Partiallyremovescrew1,thenfullyremovescrew2,andthenfullyremovescrew1.
b.Partiallyremovescrew3,thenfullyremovescrew4,andthenfullyremovescrew3.
Note:Carefullyremovethefourscrewsfromthesystemboardtoavoidanypossibledamagetothe
systemboard.ThefourscrewscannotberemovedfromtheheatsinkandfanassemblyforGPU.
Chapter9.ReplacingFRUs111
Figure43.RemovingtheheatsinkandfanassemblyforGPU
7.LiftthefailingheatsinkandfanassemblyforGPUoffthesystemboard.
Notes:
a.YoumighthavetogentlytwisttheheatsinkandfanassemblyforGPUtofreeitfromthe
microprocessor.
b.DonottouchthethermalgreasewhilehandlingtheheatsinkandfanassemblyforGPU.
8.PositionthenewheatsinkandfanassemblyforGPUonthesystemboardsothatthefourscrewsare
alignedwiththecorrespondingholesinthesystemboard.
9.FollowthissequencetoinstallthefourscrewstosecuretheheatsinkandfanassemblyforGPU,as
showninFigure43“RemovingtheheatsinkandfanassemblyforGPU”onpage112.
a.Partiallytightenscrew1,thenfullytightenscrew2,andthenfullytightenscrew1.
b.Partiallytightenscrew3,thenfullytightenscrew4,andthenfullytightenscrew3.
10.ConnecttheGPUfancabletothesystemboard.See“Locatingpartsonthesystemboard”onpage74.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
ReplacingtherearPS/2connectorsandserialportassembly
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
ThissectionprovidesinstructionsonhowtoreplacetherearPS/2connectorsandserialportassembly.
Note:TherearPS/2connectorsandserialportassemblyisavailableonlyinsomemodels.
112ThinkCentreM93zHardwareMaintenanceManual
ToreplacetherearPS/2connectorsandserialportassembly,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage84.
4.LocatetherearPS/2connectorsandserialportassembly.See“LocatingmajorFRUsandCRUs”
onpage71.
5.RemovetherearI/OassemblyanddisconnectthecablesoftherearPS/2connectorsandserialport
assemblyfromthesystemboard.See“RemovingandreinstallingtherearI/Oassembly”onpage86.
6.Removethescrews1todisengagetherearPS/2connectorsandserialportassemblyfromthechassis.
Note:YoumighthavetoremovetwoscrewstodisengagetherearPS/2connectorsandserialport
assemblyfromthechassis.
Figure44.RemovingtherearPS/2connectorsandserialportassembly
7.AlignthescrewholesinthenewrearPS/2connectorsandserialportassemblywiththecorresponding
screwholeinthechassis.Then,installthescrewstosecurethenewrearPS/2connectorsandserial
portassemblytothechassis.
8.ConnectthecablesofthenewrearPS/2connectorsandserialportassemblytothesystemboard.See
“Locatingpartsonthesystemboard”onpage74.
9.ReinstalltherearI/Oassembly.See“RemovingandreinstallingtherearI/Oassembly”onpage86.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
Chapter9.ReplacingFRUs113
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
Replacingthebattery
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
Yourcomputerhasaspecialtypeofmemorythatmaintainsthedate,time,andsettingsforbuilt-infeatures,
suchasparallel-portassignments(configuration).Abatterykeepsthisinformationactivewhenyouturn
offthecomputer.
Thebatterynormallyrequiresnochargingormaintenancethroughoutitslife;however,nobatterylasts
forever.Ifthebatteryfails,thedate,time,andconfigurationinformation(includingpasswords)arelost.An
errormessageisdisplayedwhenyouturnonthecomputer.
Refertothe“Lithiumcoincellbatterynotice”intheThinkCentreSafety,Warranty,andSetupGuidefor
informationaboutreplacinganddisposingofthebattery.
Toreplacethebattery,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage84.
4.Locatethebattery.See“Locatingpartsonthesystemboard”onpage74.
5.Pressthetabonthebatterysocketoutwardtoremovetheoldbattery.
Figure45.Removingtheoldbattery
6.Installanewbattery.
Figure46.Installinganewbattery
114ThinkCentreM93zHardwareMaintenanceManual
7.Reinstallthecomputercoverandconnectthecables.See“Completingthepartsreplacement”on
page126.
Note:Whenthecomputeristurnedonforthefirsttimeafterreplacingthebattery,anerrormessage
mightbedisplayed.Thisisnormalafterreplacingthebattery.
8.Turnonthecomputerandallattacheddevices.
9.UsetheSetupUtilityprogramtosetthedate,time,andanypasswords.SeeChapter6“UsingtheSetup
Utilityprogram”onpage55.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
Replacingthepowersupplyassembly
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
Thissectionprovidesinstructionsonhowtoreplacethepowersupplyassembly.
Toreplacethepowersupplyassembly,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage84.
4.Locatethepowersupplyassembly.See“LocatingmajorFRUsandCRUs”onpage71.
5.RemovetheVESAmountbracketanddisconnectthecablesofthepowersupplyassemblyfromthe
systemboard.See“Replacingthethermalsensor”onpage98.
Chapter9.ReplacingFRUs115
6.Removethescrews1and2todisengagethepowercordconnectorandthepowersupplyassembly
fromthechassis.
Figure47.Removingthepowersupplyassembly
7.Alignthescrewholesinthenewpowercordconnectorwiththecorrespondingonesinthechassis.
Then,installthescrewstosecurethenewpowercordconnectortothechassis.
8.Alignthescrewholesinthenewpowersupplyassemblywiththecorrespondingonesinthechassis.
Then,installthescrewstosecurethenewpowersupplyassemblytothechassis.
9.Connectthecablesofthenewpowersupplyassemblytothesystemboard.See“Locatingpartsonthe
systemboard”onpage74.
10.ReinstalltheVESAmountbracket.See“Replacingthethermalsensor”onpage98.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
Replacingthemicroprocessorfan
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
Thissectionprovidesinstructionsonhowtoreplacethemicroprocessorfan.
116ThinkCentreM93zHardwareMaintenanceManual
Toreplacethemicroprocessorfan,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage84.
4.Locatethemicroprocessorfan.See“LocatingmajorFRUsandCRUs”onpage71.
5.RemovetheVESAmountbracketanddisconnectthecablesofthemicroprocessorfanfromthesystem
board.See“Replacingthethermalsensor”onpage98.
6.Removethescrews1todisengagethemicroprocessorfanfromthechassis.
Figure48.Removingthemicroprocessorfan
7.Alignthescrewholesinthenewmicroprocessorfanwiththecorrespondingonesinthechassis.Then,
installthescrewstosecurethenewmicroprocessorfantothechassis.
8.Connectthecablesofthenewmicroprocessorfantothesystemboard.See“Locatingpartsonthe
systemboard”onpage74.
9.ReinstalltheVESAmountbracket.See“Replacingthethermalsensor”onpage98.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
Chapter9.ReplacingFRUs117
ReplacingtheLCDpanel
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
ThissectionprovidesinstructionsonhowtoreplacetheLCDpanel.
ToreplacetheLCDpanel,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage84.
4.LocatetheLCDpanel.See“LocatingmajorFRUsandCRUs”onpage71.
5.Removetheframefoot.SeeRemovingandreinstallingtheframefoot
6.RemovethescrewsthatsecuretheLCDbrackettothefrontbezel.
Figure49.RemovingtheLCDbracket
7.Disconnectthecablesofthecomponentssecuredtothefrontbezelfromthesystemboard.Then,lift
theLCDbracketoffthefrontbezel.
8.DisconnecttheLCDcablesfromthedisplayconnectorsonthesystemboardandtheconverterboard.
See“Locatingpartsonthesystemboard”onpage74.
9.ConnectthenewLCDcablestothedisplayconnectorsonthesystemboardandtheconverterboard.
See“Locatingpartsonthesystemboard”onpage74.
10.PositiontheLCDbracketoverthefrontbezel,ensurethatthescrewholesintheLCDbracketalignwith
themountingstandsinthefrontbezel.
118ThinkCentreM93zHardwareMaintenanceManual
11.ReinstallallthescrewstosecuretheLCDbrackettothefrontbezel.
Figure50.ReinstallingtheLCDbracket
Attention:Donotovertightenthescrews.OvertighteningthescrewsmightdamagetheLCDpanel.
12.Reconnectthecablesofthecomponentssecuredtothefrontbezeltothesystemboard.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
Replacingthesystemboard
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
CAUTION:
Theheatsinkandmicroprocessormightbeveryhot.Beforeyouopenthecomputercover,turnoff
thecomputerandwaitseveralminutesuntilthecomputeriscool.
Thissectionprovidesinstructionsonhowtoreplacethesystemboard.
Toreplacethesystemboard,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage84.
Chapter9.ReplacingFRUs119
4.Locatethesystemboard.See“LocatingmajorFRUsandCRUs”onpage71.
5.RemovetherearI/Oassemblytogainaccesstothesystemboard.See“Removingandreinstalling
therearI/Oassembly”onpage86.
6.Removetheheatsink.See“Replacingtheheatsink”onpage92.
Note:Placetheheatsinkonitssidesothatthethermalgreaseonthebottomofitdoesnotgetin
contactwithanything.
7.Removethemicroprocessor.See“Replacingthemicroprocessor”onpage94.
8.Removethememorymodules.See“Installingorreplacingamemorymodule”onpage87.
9.RemovetheheatsinkandfanassemblyforGPUifyourcomputerhasone.See“Replacingtheheat
sinkandfanassemblyforGPU”onpage111.
10.Removethecardreaderifyourcomputerhasone.See“Replacingthecardreader”onpage107.
11.RemovetheExpressCardifyourcomputerhasone.See“ReplacingtheExpressCard”onpage110.
12.RemovetheWiFicardifyourcomputerhasone.See“ReplacingtheWiFicard”onpage104.
13.Notethelocationsofallcablesconnectedtothesystemboardanddisconnectallcables.See“Locating
partsonthesystemboard”onpage74.
14.Followthesequencetoremovethescrews1to7thatsecurethesystemboardtothechassis.Then,
carefullyliftthesystemboardoutofthechassis.
Figure51.Removingthesystemboard
15.Placethenewsystemboardintothechassisandalignthescrewholeswiththemountingstandsin
thechassis.
16.Followthesequencetoreinstallthescrews1to7tosecurethesystemboardtothechassis.
120ThinkCentreM93zHardwareMaintenanceManual
Figure52.Reinstallingthesystemboard
17.ReinstalltheheatsinkandfanassemblyforGPUifyourcomputerhasone.See“Replacingtheheat
sinkandfanassemblyforGPU”onpage111.
18.Reinstallthecardreaderifyourcomputerhasone.See“Replacingthecardreader”onpage107.
19.ReinstalltheExpressCardifyourcomputerhasone.See“ReplacingtheExpressCard”onpage110.
20.ReinstalltheWiFicardifyourcomputerhasone.See“ReplacingtheWiFicard”onpage104.
21.Reinstallthememorymodules.See“Installingorreplacingamemorymodule”onpage87.
22.Reinstallthemicroprocessor.See“Replacingthemicroprocessor”onpage94.
23.Reinstalltheheatsink.See“Replacingtheheatsink”onpage92.
24.ReinstalltherearI/Oassembly.See“RemovingandreinstallingtherearI/Oassembly”onpage86.
25.Reconnectallcablesthatweredisconnectedfromthesystemboard.See“Locatingpartsonthe
systemboard”onpage74.
26.Goto“Completingthepartsreplacement”onpage126.
Thefailingsystemboardmustbereturnedwithamicroprocessorsocketcovertoprotectthepinsduring
shippingandhandling.
Toinstallthemicroprocessorsocketcover,dothefollowing:
1.Releasetheleversecuringthemicroprocessorretainerandopentheretainertoaccessthe
microprocessor.
2.Graspthemicroprocessoronthesidesandliftitstraightupandoutofthesocket.Donottouchthe
contactsonthemicroprocessorsocket.
3.Closethemicroprocessorretainer,andthenlowerthelevertosecuretheretainer.Ensurethatthe
leverislockedintoposition.
Chapter9.ReplacingFRUs121
4.Notetheorientationofthesocketcover,andinstallonesideofthesocketcoverintothemicroprocessor
socket.
Figure53.Installingonesideofthesocketcoverintothemicroprocessorsocket
Note:Yourmicroprocessorsocketandcovermightlookslightlydifferentfromtheillustration.
5.Carefullypresstheothersideofthesocketcoverdownwarduntilthesocketcoversnapsintoposition.
6.Carefullycheckthefourcornersofthesocketcovertomakesurethatthecoverissecuredinthe
microprocessorsocket.
7.Followanyadditionalinstructionsincludedwiththereplacementpartyoureceived.
Replacingthetouchpanelcontrolboards
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
Thissectionprovidesinstructionsonhowtoreplacethetouchpanelcontrolboards.
Note:Themulti-touchboardsareavailableonlyinsomemodels.
Toreplacethetouchpanelcontrolboards,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage84.
4.Locatethetouchpanelcontrolboards.See“LocatingmajorFRUsandCRUs”onpage71.
5.RemovetheLCDpanel.See“ReplacingtheLCDpanel”onpage118.
122ThinkCentreM93zHardwareMaintenanceManual
6.Removethescrews1anddisconnectthetouchpanelcontrolboardcablesfromthetouchpanel
controlboardstodisengagethetouchpanelcontrolboardsfromthechassis.
Figure54.Removingthetouchpanelcontrolboards
7.Connectthetouchpanelcontrolboardcablestothenewtouchpanelcontrolboards.
8.ReinstalltheLCDpanel.See“ReplacingtheLCDpanel”onpage118.
9.Alignthescrewholesinthenewtouchpanelcontrolboardswiththecorrespondingonesinthechassis.
Then,installthescrewstosecurethenewtouchpanelcontrolboardstothechassis.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
Replacingthepowerswitchandcontrolbuttonboard
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
Thissectionprovidesinstructionsonhowtoreplacethepowerswitchandcontrolbuttonboard.
Toreplacethepowerswitchandcontrolbuttonboard,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage84.
4.Locatethepowerswitchandcontrolbuttonboard.See“LocatingmajorFRUsandCRUs”onpage71.
5.Notethepowerswitchandcontrolbuttonboardcableroutinganddisconnectthecablefromthesystem
board.See“Locatingpartsonthesystemboard”onpage74.
Chapter9.ReplacingFRUs123
6.RemovetheLCDbracket.See“ReplacingtheLCDpanel”onpage118.
7.Removethescrews1todisengagethepowerswitchandcontrolbuttonboardfromthefrontbezel.
Figure55.Removingthepowerswitchandcontrolbuttonboard
8.Alignthescrewholesinthenewpowerswitchandcontrolbuttonboardwiththecorrespondingonesin
thefrontbezel.Then,installthescrewstosecurethenewpowerswitchandcontrolbuttonboardto
thefrontbezel.
9.Connectthenewpowerswitchandcontrolbuttonboardcabletothesystemboard.See“Locating
partsonthesystemboard”onpage74.
10.ReinstalltheLCDbracket.See“ReplacingtheLCDpanel”onpage118.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
ReplacingtheWiFiantennas
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Important
SafetyInformation”onpage1.
ThissectionprovidesinstructionsonhowtoreplacetheWiFiantennas.
Note:TheWiFiantennasareavailableonlyinsomemodels.
ToreplacetheWiFiantennas,dothefollowing:
124ThinkCentreM93zHardwareMaintenanceManual
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage84.
4.RemovetherearI/Oassembly.See“RemovingandreinstallingtherearI/Oassembly”onpage86.
5.LocatetheWiFiantennasandtheWiFicard.See“LocatingmajorFRUsandCRUs”onpage71.
6.NotethecableroutingoftheWiFiantennasanddisconnecttheWiFiantennascablesfromtheWiFi
card.Then,removetheWiFiantennasfromthechassis.
7.PeeloffthepaperthatprotectsthestickersonthenewWiFiantennas.
Figure56.Peelingoffthepaperthatprotectsthestickers
8.NotethelengthofthenewWiFiantennascablesandstickthenewWiFiantennastothechassisas
shown.Then,connectthetwocablesofthenewWiFiantennastotheWiFicard.
Chapter9.ReplacingFRUs125
Figure57.InstallingtheWiFiantennas
Notes:
•TheblackcableshouldbeconnectedtothelowerWiFicardconnectorMAIN.Thegreycableshould
beconnectedtotheupperWiFicardconnectorAUX.
•EnsurethattheWiFicablesareroutedcorrectly.KeeptheWiFicablesclearofthehingesandsides
ofthecomputerchassistoavoidinterferencewithreinstallingthecomputercover.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage126.
Completingthepartsreplacement
Aftercompletingtheinstallationorreplacementforallparts,youneedtoreinstallthecomputercoverand
reconnectcables.Dependingonthepartsyouinstalledorreplaced,youmightneedtoconfirmtheupdated
informationintheSetupUtilityprogram.RefertoChapter6“UsingtheSetupUtilityprogram”onpage55.
Toreinstallthecomputercoverandreconnectcablestoyourcomputer,dothefollowing:
1.Ensurethatallcomponentshavebeenreassembledcorrectlyandthatnotoolsorloosescrewsareleft
insideyourcomputer.See“LocatingmajorFRUsandCRUs”onpage71forthelocationsofvarious
componentsinyourcomputer.
2.Ensurethatthecablesareroutedcorrectlybeforereinstallingthecomputercover.Keepcablesclearof
thehingesandsidesofthecomputerchassistoavoidinterferencewithreinstallingthecomputercover.
126ThinkCentreM93zHardwareMaintenanceManual
3.Alignthefourplastictabsonthetopofthecomputercoverwiththecorrespondingtabsinthefront
bezel.Then,pivotthecomputercoverdownwarduntilitsnapsintoposition.
Figure58.Installingthecomputercover
4.Ifthereisanintegratedcablelockavailable,lockthecomputer.
5.Ifthereisaframestand,reinstallit.See“Installingthemonitorstand”onpage82.
6.Reconnecttheexternalcablesandpowercordstothecomputer.See“Locatingconnectorsonthe
rearofyourcomputer”onpage70.
7.Toupdateyourconfiguration,refertoChapter6“UsingtheSetupUtilityprogram”onpage55.
Note:Inmostareasoftheworld,LenovorequiresthereturnofthedefectiveFieldReplacementUnits(FRUs).
InformationaboutthiswillcomewiththenewFRUsorwillcomeafewdaysafteryoureceivethenewFRUs.
Chapter9.ReplacingFRUs127
128ThinkCentreM93zHardwareMaintenanceManual
Chapter10.AdditionalServiceInformation
Thischapterprovidesadditionalinformationthattheservicerepresentativemightfindhelpful.
Securityfeatures
Securityfeaturesinthissectionincludethefollowing:
•Passwords
•VitalProductData
•ManagementInformationFormat(MIF)
HardwarecontrolledPasswords
HardwarecontrolledpasswordsaresetusingtheSetupUtilityprogram.Formoreinformationabout
passwords,see“Usingpasswords”onpage55.
Operatingsystempassword
Anoperatingsystempasswordisverysimilartoapower-onpasswordanddeniesaccesstothecomputer
byanunauthorizeduserwhenthepasswordisactivated.Thecomputerisunusableuntilthepasswordis
enteredandrecognizedbythecomputer.
Vitalproductdata
EachcomputerhasauniqueVitalProductData(VPD)codestoredinthenonvolatilememoryonthesystem
board.Afteryoureplacethesystemboard,theVPDmustbeupdated.ToupdatetheVPD,see“Flash
updateprocedures”onpage129.
BIOSlevels
AnincorrectlevelofBIOScancausefalseerrorsandunnecessaryFRUreplacement.Usethefollowing
informationtodeterminethecurrentlevelofBIOSinstalledinthecomputer,thelatestBIOSavailableforthe
computer,andwheretoobtainthelatestlevelofBIOS.
•TodeterminethecurrentLevelofBIOS:
–StarttheSetupUtility.
–SelectMain➙BIOSRevisionLevel
•SourcesforobtainingthelatestlevelBIOSavailable
1.Lenovosupportwebsite:http://www.lenovo.com/support/
2.LenovoCustomerSupportCenter
3.Levels1and2Support
Toupdate(flash)theBIOS,see“Flashupdateprocedures”onpage129.
Note:BIOSsettingsvarybyoperatingsystem.ChangetheBIOSsettingsbeforeinstallinganewoperating
system.See“ChangingtheBIOSsettingsbeforeinstallinganewoperatingsystem”onpage60.
Flashupdateprocedures
Thissectiondetailshowtoflash(update)theBIOS.
©CopyrightLenovo2013,2014129
Updating(flashing)theBIOSfromadisc
Thissectionprovidesinstructionsonhowtoupdate(flash)theBIOSfromadiscontheWindows8(64-bit)
operatingsystemandonotheroperatingsystems.
Note:Youcandownloadaself-startingbootablediscimage(knownasanISOimage)withthesystem
programupdatestocreateasystem-program-updatedisc.Gotohttp://www.lenovo.com/support.
Toupdate(flash)theBIOSfromadiscontheWindows8(64-bit)operatingsystem,dothefollowing:
1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage55.
2.FromtheSetupUtilityprogrammainmenu,selectExit➙OSOptimizedDefault➙Disabled.
3.SelectYesinthewindowdisplayedandpressEntertoconfirmyourselection.
4.PressF10tosavechangesandexittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”
onpage60.
5.RepeatedlypressandreleaseF12whenturningonthecomputer.WhentheStartupDeviceMenu
windowopens,releaseF12.
6.FromtheStartupDeviceMenuwindow,selectthedesiredopticaldriveasthestartupdevice.Then,
insertthediscintothisopticaldriveandpressEnter.Theupdatebegins.
7.Whenpromptedtochangetheserialnumber,itissuggestedthatyoudonotmakethischangeby
pressingN.However,ifyoudowanttochangetheserialnumber,pressY,andthentypeintheserial
numberandpressEnter.
8.Whenpromptedtochangethemachinetypeandmodel,itissuggestedthatyoudonotmakethis
changebypressingN.However,ifyoudowanttochangethemachinetypeandmodel,pressY,and
thentypeinthemachinetypeandmodelandpressEnter.
9.Followtheinstructionsonthescreentocompletetheupdate.Aftertheupdateiscompleted,removethe
discfromtheopticaldrive.
10.RestartyourcomputerandstarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”
onpage55.
11.FromtheSetupUtilityprogrammainmenu,selectExit➙OSOptimizedDefault➙Enabled.
12.SelectYesinthewindowdisplayedandpressEntertoconfirmyourselection.
13.PressF10tosavechangesandexittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”
onpage60.
Toupdate(flash)theBIOSfromadisconotheroperatingsystems,dothefollowing:
1.Turnoffyourcomputer.
2.RepeatedlypressandreleaseF12whenturningonthecomputer.WhentheStartupDeviceMenu
windowopens,releaseF12.
3.FromtheStartupDeviceMenuwindow,selectthedesiredopticaldriveasthestartupdevice.Then,
insertthediscintothisopticaldriveandpressEnter.Theupdatebegins.
4.Whenpromptedtochangetheserialnumber,itissuggestedthatyoudonotmakethischangeby
pressingN.However,ifyoudowanttochangetheserialnumber,pressY,andthentypeintheserial
numberandpressEnter.
5.Whenpromptedtochangethemachinetypeandmodel,itissuggestedthatyoudonotmakethis
changebypressingN.However,ifyoudowanttochangethemachinetypeandmodel,pressY,and
thentypeinthemachinetypeandmodelandpressEnter.
6.Followtheinstructionsonthescreentocompletetheupdate.Aftertheupdateiscompleted,removethe
discfromtheopticaldrive.
130ThinkCentreM93zHardwareMaintenanceManual
Updating(flashing)theBIOSfromyouroperatingsystem
Note:BecauseLenovomakesconstantimprovementstoitsWebsites,theWebpagecontentsaresubject
tochangewithoutnotice,includingthecontentsreferencedinthefollowingprocedure.
Toupdate(flash)theBIOSfromyouroperatingsystem,dothefollowing:
1.Gotohttp://www.lenovo.com/support.
2.ClickDownloadDrivers&Software.
3.ClickUseQuickPath.
4.Typethe4-digitmachinetypeforyourcomputerintheQuickPathfieldandthenclickFindMyProduct.
5.ClickBIOS.
6.LocatetheBIOSversionthatyouwanttodownload.
7.ClickClickforfiles.Allavailablefileswillbedisplayed.
8.Clickthelinkforthereadmefilethatcontainstheinstructionsforupdating(flashing)theBIOSfrom
youroperatingsystem.
9.Printtheseinstructions.Thisisveryimportantbecausetheseinstructionswillnotbedisplayedon
thescreenafterthedownloadbegins.
10.Followtheprintedinstructionstodownload,extract,andinstalltheupdate.
RecoveringfromaPOST/BIOSupdatefailure
IfthepowertoyourcomputerisinterruptedwhilethePOSTandBIOSisbeingupdated,yourcomputer
mightnotrestartcorrectly.Ifthishappens,performthefollowingproceduretorecoverfromthePOSTand
BIOSupdatefailure.ThisprocedureiscommonlycalledBoot-blockRecovery.
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Removethecomputercover.See“Removingthecomputercover”onpage84.
3.LocatetheClearCMOS/Recoveryjumperonthesystemboard.See“Locatingpartsonthesystem
board”onpage74.
4.RemoveanycablesthatimpedeaccesstotheClearCMOS/Recoveryjumper.
5.Movethejumperfromthestandardposition(pin1andpin2)tothemaintenanceposition(pin2and
pin3).
6.Reconnectanycablesthatweredisconnected.
7.Reinstallthecomputercoverandconnectthepowercord.See“Completingthepartsreplacement”on
page126.
8.TurnonthecomputerandtheninsertthePOSTandBIOSupdate(flashupdate)discintotheoptical
drive.Waitafewminutes.Then,therecoverysessionbegins.Therecoverysessionwilltaketwoto
threeminutes.Duringthistime,awarningmessagewillbedisplayedandnoactionisneededfromyou.
9.Aftertherecoverysessioniscompleted,therewillbenovideo,andyourcomputerwillautomatically
turnoff.
10.Repeatstep1throughstep4.
11.MovetheClearCMOS/Recoveryjumperbacktothestandardposition(pin1andpin2).
12.Reconnectanycablesthatweredisconnected.
13.Reinstallthecomputercoverandreconnectanycablesthatweredisconnected.
14.Turnonthecomputertorestarttheoperatingsystem.
Chapter10.AdditionalServiceInformation131
Powermanagement
Powermanagementreducesthepowerconsumptionofcertaincomponentsofthecomputersuchasthe
systempowersupply,processor,harddiskdrives,anddisplay.
Advancedconfigurationandpowerinterface(ACPI)BIOS
BeinganACPIBIOSsystem,theoperatingsystemisallowedtocontrolthepowermanagementfeatures
ofthecomputerandthesettingforAdvancedPowerManagement(APM)BIOSmodeisignored.Not
alloperatingsystemssupportACPIBIOSmode.
AutomaticPower-onfeatures
TheAutomaticPower-OnfeatureswithinthePowerManagementmenuallowyoutoenableanddisable
featuresthatturnonthecomputerautomatically.
•WakeUponAlarm:Youcanspecifyadateandtimeatwhichthecomputerwillbeturnedon
automatically.Thiscanbeeitherasingleeventoradailyevent.
•WakeonLAN:Ifthecomputerhasaproperlyconfiguredtoken-ringorEthernetLANadaptercardthatis
WakeonLAN-enabledandthereisremotenetworkmanagementsoftware,youcanusetheWakeonLAN
feature.WhenyousetWakeonLANtoEnabled,thecomputerwillturnonwhenitreceivesaspecific
signalfromanothercomputeronthelocalareanetwork(LAN).
ToenabletheWakeonLANfunctionortheWakeUponAlarmfunctionontheWindows8operatingsystem,
dothefollowing:
1.OpenControlPanel.
2.ClickHardwareandSound➙PowerOptions.
3.Intheleftpanel,clickChoosewhatthepowerbuttonsdo.
4.IntheShutdownsettingsection,clearTurnonfaststartup.
Note:Ifthesettingsareunavailable,clickChangesettingsthatarecurrentlyunavailable.
5.ClickSavechanges.
132ThinkCentreM93zHardwareMaintenanceManual
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.
©CopyrightLenovo2013,2014133
Televisionoutputnotice
Thefollowingnoticeappliestomodelsthathavethefactory-installedtelevision-outputfeature.
ThisproductincorporatescopyrightprotectiontechnologythatisprotectedbymethodclaimsofcertainU.S.
patentsandotherintellectualpropertyrightsownedbyMacrovisionCorporationandotherrightsowners.
UseofthiscopyrightprotectiontechnologymustbeauthorizedbyMacrovisionCorporation,andisintended
forhomeandotherlimitedviewingusesonlyunlessotherwiseauthorizedbyMacrovisionCorporation.
Reverseengineeringordisassemblyisprohibited.
EuropeanconformanceCEmark
Trademarks
ThefollowingtermsaretrademarksofLenovointheUnitedStates,othercountries,orboth:
Lenovo
TheLenovologo
RescueandRecovery
ThinkCentre
ThinkVantage
Microsoft,Windows,andWindowsMediaaretrademarksoftheMicrosoftgroupofcompanies.
DisplayPortandVESAareTrademarksoftheVideoElectronicsStandardsAssociation.
Othercompany,product,orservicenamesmaybetrademarksorservicemarksofothers.
134ThinkCentreM93zHardwareMaintenanceManual
Index
A
Administrator,password56
ambientlightsensor,replacing106
B
basictroubleshooting35
battery,replacing114
BIOSsettings,changing60
boot-blockrecovery131
C
cardreader,replacing107
changing
password56
startupdevicesequence58
cleaninganopticalmouse42
CMOS,clearing57
components,internal71
computercover
removing84
computercover,reinstalling126
connectors
rear70
connectors,controls,indicators
front67
considerations,passwords56
converterboard,replacing91
coverpresenceswitch,replacing100
CRUs(CustomerReplacableUnits),returningdefective71
D
deletingapassword56
devices,handlingstatic-sensitive81
diagnostics,troubleshooting35
E
environment,operating30
exiting,SetupUtility60
ExpressCard,replacing110
externaloptions,installing81
F
failure,recoveringfromPOST/BIOS131
flashingtheBIOS130
framefoot
removing85
front
connectors,controls,indicators67
FRU
completingtheinstallation126
FRUlocations71
FRUpartnumbers1,67,74
FRUs,replacing81
G
GPUheatsinandfan,replacing111
H
harddiskdrive,replacing88
heatsink,replacing92
I
IdentifyingFRUs71
installing
operatingsystem60
installingoptions
memorymodule87
integratedcamera,replacing103
internalspeakers,replacing97
L
LenovoSolutionCenter53
locatingcomponents71
lookinguppartnumbers1,67,74
M
memorymodule
installing,replacing87
systemboard87
microprocessor
replacing94
monitorstand
removing82
mSATAsolid-statedrive,miniPCIExpressx1card,
replacing108
N
notice,televisionoutput134
notices133
O
opticaldrive,replacing90
opticalmouse
cleaning42
Optional-serviceCRUs71
©CopyrightLenovo2013,2014135
P
partnumbers1,67,74
partsreplacement,completing126
password
Administrator56
considerations56
Power-OnPassword56
setting,changing,deleting56
passwords
erasing57
lostorforgotten57
passwords,using55
physicalspecifications29
Power-On,Password56
R
rearconnectors70
rearI/Oassembly
removing86
rearPS/2connectorsandserialportassembly
removing112
recovering
fromaPOST/BIOSupdatefailure131
recovery
boot-block131
removingcomputercover84
removingframefoot85
removingmonitorstand82
removingrearI/Oassembly86
removingrearPS/2connectorsandserialportassembly112
replacing
ambientlightsensor106
battery114
cardreader107
converterboard91
coverpresenceswitch100
ExpressCard110
GPUheatsinkandfan111
harddiskdrive88
heatsink92
integratedcamera103
internalspeakers97
microprocessor94
mSATAsolid-statedrive,miniPCIExpressx1card108
systemboard119
thermalsensor98
WiFiantenna124
WiFicard104
replacingtheLCDpanel118
replacingthemicroprocessorfan116
replacingthepowersupplyassembly115
replacingthepowerswitchandcontrolbuttonboard123
replacingthetouchpanelcontrolboards122
S
security
enablingordisabling57
selecting
startupdevice58
temporarystartupdevice58
Self-serviceCRUs71
setting
password56
settings
changing55
viewing55
SetupUtility55
SetupUtilityprogram,starting55
SetupUtility,exiting60
startingtheSetupUtilityprogram55
startupdevice58
sequence,changing58
temporary,selecting58
static-sensitivedevices,handling81
supportwebsite
support31
support,website31
systemboard
connectors74
locatingparts74
locations74
memorymodule87
systemboard,replacing119
T
televisionoutputnotice134
temporarystartupdevice58
theBIOS,updating(flashing)130–131
theLCDpanel
replacing118
themicroprocessorfan
replacing116
thepowersupplyassembly
replacing115
thepowerswitchandcontrolbuttonboard
replacing123
thetouchpanelcontrolboards
replacing122
thermalsensor,replacing98
trademarks134
troubleshooting,basic35
troubleshooting,diagnostics35
U
updating
(flashing)theBIOS130
updating(flashing)theBIOS131
using
passwords55
SetupUtility55
V
viewingandchangingsettings55
136ThinkCentreM93zHardwareMaintenanceManual
138ThinkCentreM93zHardwareMaintenanceManual
