Lenovo B490 Hmm En User Manual Hardware Maintenance Laptop (Lenovo) Type 20205

2013-06-03

User Manual: Lenovo B490 Hmm En Hardware Maintenance Manual - Lenovo B490 B490 Laptop (Lenovo) - Type 20205

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About this manual
Chapter 1. Safety information
Chapter 2. Important service information
- Strategy for replacing FRUs
  - Strategy for replacing a hard disk drive
  - Important notice for replacing a system board
- Important information about replacing RoHS compliant FRUs
Chapter 3. General checkout
- What to do first
- Power system checkout
Chapter 4. Related service information
Chapter 5. Lenovo product information
Chapter 6. FRU replacement notices
- Screw notices
Chapter 7. Removing and replacing a FRU
Chapter 8. Locations
Chapter 9. Parts list
Appendix A. Notices
- Electronic emissions notices
- Trademarks

HardwareMaintenanceManual

LenovoB490,B4301,B4302,B4303,B4305,B4306,B4307,B4308,

B4309,B4310,B4311,B4312,B4315,B4316,B4317,B4318,B4319,

B4320,B4321,B4322,B4323,B4325,B4326,B4327,B4328,B4329,

B4330,B4331,B4332,B4333,B4335,B4336,B4337,B4338,B4339,

B4360,B4361,B4362,B4363,B4365,B4366,B4367,B4368,B4369,

B4370,B4371,B4372,B4375,B4376,B4377,andB4378

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformation

underAppendixA“Notices”onpage95.

FourthEdition(April2013)

©CopyrightLenovo2012,2013.

LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministration

“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.GS-35F-05925.

Contents

Aboutthismanual...........iii

Chapter1.Safetyinformation......1

Generalsafety................1

Electricalsafety...............2

Safetyinspectionguide............3

Handlingdevicesthataresensitivetoelectrostatic

discharge..................3

Groundingrequirements............4

Safetynotices(multilingualtranslations)......4

Lasercompliancestatement(multilingual

translations)................19

Chapter2.Importantservice

information..............27

StrategyforreplacingFRUs.........27

Strategyforreplacingaharddiskdrive...28

Importantnoticeforreplacingasystem

board................28

ImportantinformationaboutreplacingRoHS

compliantFRUs..............28

Chapter3.Generalcheckout.....29

Whattodorst..............29

Powersystemcheckout...........30

Checkingtheacpoweradapter......30

Checkingoperationalcharging......31

Checkingthebatterypack........31

Chapter4.Relatedservice

information..............33

Recoveringthecomputersettings.......33

Passwords................33

Power-onpassword...........34

Supervisorpassword..........34

Powermanagement............34

Screenblankmode...........34

Sleepmode..............34

Hibernationmode...........35

Chapter5.Lenovoproduct

information..............37

Specications...............37

Statusindicators..............38

Fnkeycombinations............39

Chapter6.FRUreplacement

notices................41

Screwnotices...............41

Chapter7.Removingandreplacinga

FRU..................43

Generalguidelines.............43

1010Batterypack.............44

1020Bottomslotcover...........44

1030Opticaldrive.............45

1040Memorymodules...........46

1050Harddiskdriveassembly........47

1060PCIExpressMiniCardforwirelessLAN..49

1070mSATAsolid-statedrive.........50

1080Backupbattery............51

1090Keyboard..............51

1100Keyboardbezel............54

1110LEDboard..............56

1120Powerboard.............57

1130Microphoneassembly.........58

1140Mediacardreaderslotboard.......59

1150SystemboardassemblyandUSBboard..60

1160Thermalmodule............62

1170Microprocessor............65

1180LCDunit...............66

1190Speakerassembly...........68

1200DC-inconnectorandbasecover.....69

2010LCDfrontbezel............71

2020Camera...............72

2030LCDpanel,LCDcable,andhinges....73

2040AntennaassemblyandLCDrearcover...75

Chapter8.Locations.........77

Frontview................77

Right-sideview..............78

Bottomandleft-sideview..........78

Chapter9.Partslist..........79

Overall..................80

LCDFRUs................84

Keyboard.................86

Miscellaneousparts............89

acpoweradapters.............89

Powercords...............91

AppendixA.Notices..........95

Electronicemissionsnotices.........96

Trademarks................96

©CopyrightLenovo2012,2013i

iiHardwareMaintenanceManual

Aboutthismanual

ThismanualprovidesserviceandreferenceinformationforthefollowingLenovo®products.

MachineMachinetype(MT)

LenovoB490,B4301,B4302,B4303,B4305,B4306,

B4307,B4308,B4309,B4310,B4311,B4312,B4315,

B4316,B4317,B4318,B4319,B4320,B4321,B4322,

B4323,B4325,B4326,B4327,B4328,B4329,B4330,

B4331,B4332,B4333,B4335,B4336,B4337,B4338,

B4339,B4360,B4361,B4362,B4363,B4365,B4366,

B4367,B4368,B4369,B4370,B4371,B4372,B4375,

B4376,B4377,andB4378

3756,3772,20205,20207

Usethismanualtotroubleshootproblems.

Themanualisdividedintothefollowingsections:

•Thecommonsectionsprovidegeneralinformation,guidelines,andsafetyinformationrequiredfor

servicingcomputers.

•Theproduct-specicsectionincludesservice,reference,andproduct-specicpartsinformation.

Important:

•ThismanualisintendedonlyfortrainedservicetechnicianswhoarefamiliarwithLenovoproducts.Use

thismanualtotroubleshootproblemseffectively.

•BeforeservicingaLenovoproduct,besuretoreadalltheinformationunderChapter1“Safety

information”onpage1andChapter2“Importantserviceinformation”onpage27.

©CopyrightLenovo2012,2013iii

ivHardwareMaintenanceManual

Chapter1.Safetyinformation

Thischapterpresentsfollowingsafetyinformationthatyouneedtobefamiliarwithbeforeyouservicea

LenovoNotebook.

•“Generalsafety”onpage1

•“Electricalsafety”onpage2

•“Safetyinspectionguide”onpage3

•“Handlingdevicesthataresensitivetoelectrostaticdischarge”onpage3

•“Groundingrequirements”onpage4

•“Safetynotices(multilingualtranslations)”onpage4

•“Lasercompliancestatement(multilingualtranslations)”onpage19

Generalsafety

Followtheserulestoensuregeneralsafety:

•Observegoodhousekeepingintheareaofthemachinesduringandaftermaintenance.

•Whenliftinganyheavyobject:

1.Makesurethatyoucanstandsafelywithoutslipping.

2.Distributetheweightoftheobjectequallybetweenyourfeet.

3.Useaslowliftingforce.Nevermovesuddenlyortwistwhenyouattempttolift.

4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthe

musclesinyourback.Donotattempttoliftanyobjectthatweighsmorethan16kg(35lb)orthatyou

thinkistooheavyforyou.

•Donotperformanyactionthatcauseshazardstothecustomer,orthatmakestheequipmentunsafe.

•Beforeyoustartthemachine,makesurethatotherservicetechniciansandthecustomer'spersonnelare

notinahazardousposition.

•Placeremovedcoversandotherpartsinasafeplace,awayfromallpersonnel,whileyouareservicing

themachine.

•Keepyourtoolcaseawayfromwalkareassothatotherpeoplewillnottripoverit.

•Donotwearlooseclothingthatcanbetrappedinthemovingpartsofamachine.Makesurethatyour

sleevesarefastenedorrolledupaboveyourelbows.Ifyourhairislong,fastenit.

•Inserttheendsofyournecktieorscarfinsideclothingorfastenitwithanonconductiveclip,about8

centimeters(3inches)fromtheend.

•Donotwearjewelry,chains,metal-frameeyeglasses,ormetalfastenersforyourclothing,becausemetal

objectsaregoodelectricalconductors.

•Wearsafetyglasseswhenyouarehammering,drilling,soldering,cuttingwire,attachingsprings,using

solvents,orworkinginanyotherconditionsthatmightbehazardoustoyoureyes.

•Afterservice,reinstallallsafetyshields,guards,labels,andgroundwires.Replaceanysafetydevice

thatiswornordefective.

•Reinstallallcoverscorrectlybeforereturningthemachinetothecustomer.

•Fanlouversonthemachinehelptopreventoverheatingofinternalcomponents.Donotobstructfan

louversorcoverthemwithlabelsorstickers.

©CopyrightLenovo2012,20131

Electricalsafety

Observethefollowingruleswhenworkingonelectricalequipment.

Important:

Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoftmaterial

thatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.

Manycustomershave,neartheirequipment,rubberoormatsthatcontainsmallconductivebersto

decreaseelectrostaticdischarges.Donotusethistypeofmattoprotectyourselffromelectricalshock.

•Findtheroomemergencypower-off(EPO)switch,disconnectingswitch,orelectricaloutlet.Ifanelectrical

accidentoccurs,youcanthenoperatetheswitchorunplugthepowercordquickly.

•Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.

•Disconnectallpowerbefore:

–Performingamechanicalinspection

–Workingnearpowersupplies

–Removingorinstallingmainunits

•Beforeyoustarttoworkonthemachine,unplugthepowercord.Ifyoucannotunplugit,askthecustomer

topower-offthewallboxthatsuppliespowertothemachine,andtolockthewallboxintheoffposition.

•Ifyouneedtoworkonamachinethathasexposedelectricalcircuits,observethefollowingprecautions:

–Ensurethatanotherperson,familiarwiththepower-offcontrols,isnearyou.

Attention:Anotherpersonmustbetheretoswitchoffthepower,ifnecessary.

–Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour

pocketorbehindyourback.

Attention:Anelectricalshockcanoccuronlywhenthereisacompletecircuit.Byobservingtheabove

rule,youmaypreventacurrentfrompassingthroughyourbody.

–Whenusingtesters,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor

thattester.

–Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchas

metaloorstripsandmachineframes.

Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;Instructionsforthese

precautionsareinthesafetysectionsofmaintenanceinformation.Useextremecarewhenmeasuring

highvoltages.

•Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperationalcondition.

•Donotusewornorbrokentoolsandtesters.

•Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpoweredoff.

•Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsaremoistoors,

nongroundedpowerextensioncables,powersurges,andmissingsafetygrounds.

•Donottouchliveelectricalcircuitswiththereectivesurfaceofaplasticdentalmirror.Thesurfaceis

conductive;suchtouchingcancausepersonalinjuryandmachinedamage.

•Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperating

placesinamachine:

–Powersupplyunits

–Pumps

–Blowersandfans

–Motorgenerators

–Similarunitstolistedabove

Thispracticeensurescorrectgroundingoftheunits.

•Ifanelectricalaccidentoccurs:

2HardwareMaintenanceManual

–Usecaution;donotbecomeavictimyourself.

–Switchoffpower.

–Sendanotherpersontogetmedicalaid.

Safetyinspectionguide

Thepurposeofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditions.Aseach

machinewasdesignedandbuilt,requiredsafetyitemswereinstalledtoprotectusersandservicetechnicians

frominjury.Thisguideaddressesonlythoseitems.Youshouldusegoodjudgmenttoidentifypotential

safetyhazardsduetoattachmentofnon-Lenovofeaturesoroptionsnotcoveredbythisinspectionguide.

Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeand

whetheryoucancontinuewithoutrstcorrectingtheproblem.

Considertheseconditionsandthesafetyhazardstheypresent:

•Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatal

electricalshock)

•Explosivehazards,suchasadamagedCRTfaceorabulgingcapacitor

•Mechanicalhazards,suchaslooseormissinghardware

Todeterminewhetherthereareanypotentiallyunsafeconditions,usethefollowingchecklistatthebeginning

ofeveryservicetask.Beginthecheckswiththepoweroff,andthepowercorddisconnected.

Checklist:

1.Checkexteriorcoversfordamage(loose,broken,orsharpedges).

2.Poweroffthecomputer.Disconnectthepowercord.

3.Checkthepowercordfor:

a.Athird-wiregroundconnectoringoodcondition.Useametertomeasurethird-wireground

continuityfor0.1ohmorlessbetweentheexternalgroundpinandtheframeground.

b.Thepowercordshouldbethetypespeciedinthepartslist.

c.Insulationmustnotbefrayedorworn.

4.Checkforcrackedorbulgingbatteries.

5.Removethecover.

6.Checkforanyobviousnon-Lenovoalterations.Usegoodjudgmentastothesafetyofanynon-Lenovo

alterations.

7.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetallings,contamination,wateror

otherliquids,orsignsofreorsmokedamage.

8.Checkforworn,frayed,orpinchedcables.

9.Checkthatthepower-supplycoverfasteners(screwsorrivets)havenotbeenremovedortamperedwith.

Handlingdevicesthataresensitivetoelectrostaticdischarge

Anycomputerpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto

electrostaticdischarge(ESD.)ESDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects.

ProtectagainstESDdamagebyequalizingthechargesothatthemachine,thepart,theworkmat,andthe

personhandlingthepartareallatthesamecharge.

Notes:

1.Useproduct-specicESDprocedureswhentheyexceedtherequirementsnotedhere.

Chapter1.Safetyinformation3

2.MakesurethattheESDprotectivedevicesyouusehavebeencertied(ISO9000)asfullyeffective.

WhenhandlingESD-sensitiveparts:

•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.

•Avoidcontactwithotherpeople.

•Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.

•Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeevenwhen

youarewearingawriststrap.

•Useagroundedworkmattoprovideastatic-freeworksurface.Thematisespeciallyusefulwhen

handlingESD-sensitivedevices.

•Selectagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespecic

servicerequirement.

Note:TheuseofagroundingsystemtoguardagainstESDdamageisdesirablebutnotnecessary.

–AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen-wireground.

–Whenworkingonadouble-insulatedorbattery-operatedsystem,useanESDcommongroundor

referencepoint.Youcanusecoaxorconnector-outsideshellsonthesesystems.

–Usetheroundgroundprongoftheacplugonac-operatedcomputers.

Groundingrequirements

Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper

groundingoftheelectricaloutletcanbeveriedbyacertiedelectrician.

Safetynotices(multilingualtranslations)

Thesafetynoticesinthissectionareprovidedinthefollowinglanguages:

•English

•Arabic

•BrazilianPortuguese

•French

•German

•Hebrew

•Japanese

•Korean

•Spanish

•TraditionalChinese

DANGER

4HardwareMaintenanceManual

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Chapter1.Safetyinformation5

DANGER

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PERIGO

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DANGER

Chapter1.Safetyinformation9

DANGER

VORSICHT

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Chapter1.Safetyinformation11

VORSICHT

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Chapter1.Safetyinformation13

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Chapter1.Safetyinformation15

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Chapter1.Safetyinformation17

18HardwareMaintenanceManual

Lasercompliancestatement(multilingualtranslations)

Thelasercompliancestatementsinthissectionareprovidedinthefollowinglanguages:

•English

•Arabic

•BrazilianPortuguese

•French

•German

•Hebrew

•Japanese

•Korean

•Spanish

•TraditionalChinese

Chapter1.Safetyinformation19

20HardwareMaintenanceManual

Chapter1.Safetyinformation21

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Chapter1.Safetyinformation23

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Chapter1.Safetyinformation25

26HardwareMaintenanceManual

Chapter2.Importantserviceinformation

Thischapterpresentsthefollowingimportantserviceinformationthatappliestoallmachinetypessupported

bythismanual:

•“StrategyforreplacingFRUs”onpage27

–“Strategyforreplacingaharddiskdrive”onpage28

–“Importantnoticeforreplacingasystemboard”onpage28

•“ImportantinformationaboutreplacingRoHScompliantFRUs”onpage28

Important:BIOSanddevicedriverxesarecustomer-installable.TheBIOSanddevicedriversareavailable

athttp://www.lenovo.com/support.

StrategyforreplacingFRUs

Beforereplacingparts:

Makesurethatallsoftwarexes,drivers,andBIOSdownloadsareinstalledbeforereplacinganyFRUs

listedinthismanual.

Afterasystemboardisreplaced,ensurethatthelatestBIOSisinstalledtothesystemboardbefore

completingtheserviceaction.

Todownloadsoftwarexes,drivers,andBIOS,dothefollowing:

1.Gotohttp://www.lenovo.com/support.

2.ClickDownloadDrivers&Software.TheWebsiteoffersthreeoptionstobeginyoursearch:

•Searchbyproductnumber

•Searchthroughtheproductauto-detectfunction

•Searchbyproductcategory

3.Followthedirectionsonthescreenandinstallthenecessarysoftware.

Notes:Ifyouneedtoimprovethecomputerperformance,youalsocoulddownloadandinstallthelatest

BIOSutilityfromtheSupportWebsite.

•DonottrytoupdatetheBIOSsettingsforanycomputerunlessyouhavebeentrainedandcertied.An

untrainedpersonrunstheriskofdamagingthecomputer.

•Beforeinstallingthelatestutility,makesurethatthebatteryisfullychargedandanacpoweradapteris

connected.

•Donotturnofforputyourcomputerintosleeporhibernationuntiltheupdatehasbeencompleted.

Otherwise,thesystemboardmightbedamaged.

UsethefollowingstrategytopreventunnecessaryexpenseforreplacingandservicingFRUs:

•IfyouareinstructedtoreplaceaFRUbutthereplacementdoesnotcorrecttheproblem,reinstall

theoriginalFRUbeforeyoucontinue.

•Somecomputershavebothaprocessorboardandasystemboard.Ifyouareinstructedtoreplaceeither

theprocessorboardorthesystemboard,andreplacingoneofthemdoesnotcorrecttheproblem,

reinstallthatboard,andthenreplacetheotherone.

©CopyrightLenovo2012,201327

•IfanadapteroradeviceconsistsofmorethanoneFRU,anyoftheFRUsmaybethecauseoftheerror.

Beforereplacingtheadapterordevice,removetheFRUs,onebyone,toseeifthesymptomschange.

ReplaceonlytheFRUthatchangedthesymptoms.

Strategyforreplacingaharddiskdrive

Alwaystrytorunalow-levelformatbeforereplacingaharddiskdrive(HDD).Thiswillcauseallcustomerdata

ontheharddisktobelost.Besurethatthecustomerhasacurrentbackupofthedatabeforedoingthistask.

Attention:Thedrivestartupsequenceinthecomputeryouareservicingmayhavebeenchanged.Be

extremelycarefulduringwriteoperationssuchascopying,saving,orformatting.Ifyouselectanincorrect

drive,dataorprogramscanbeoverwritten.

Importantnoticeforreplacingasystemboard

Somecomponentsmountedonasystemboardareverysensitive.Improperhandlingofasystemboardcan

causedamagetothosecomponents,andmaycauseasystemmalfunction.

Attention:Whenhandlingasystemboard:

•Donotdropasystemboardorapplyanyexcessiveforcetoit.

•Avoidroughhandlingofanykind.

•AvoidbendingasystemboardandhardpushingtopreventcrackingateachBGA(BallGridArray)chipset.

ImportantinformationaboutreplacingRoHScompliantFRUs

RoHS,TheRestrictionofHazardousSubstancesinElectricalandElectronicEquipmentDirective

(2002/95/EC)isaEuropeanUnionlegalrequirementaffectingtheglobalelectronicsindustry.RoHS

requirementsmustbeimplementedonLenovoproductsplacedonthemarketafterJune2006.Products

onthemarketbeforeJune2006arenotrequiredtohaveRoHScompliantparts.IftheoriginalFRUparts

arenon-compliant,thereplacementpartsalsocanbenon-compliant.Thatis,iftheoriginalFRUpartsare

RoHScompliant,thereplacementpartalsomustbeRoHScompliant.

Note:RoHSandnon-RoHSFRUpartnumberswiththesametandfunctionareidentiedbytheunique

FRUpartnumbers.

LenovoplanstotransittoRoHScompliancebeforetheimplementationdateandexpectsitssupplierstobe

readytomeetLenovo’srequirementsandscheduleintheEuropeanUnion.Productssoldbetween2005

and2006mightcontainsomeRoHScompliantFRUs.Thefollowingstatementpertainstotheproducts

withRoHScompliantFRUs.

RoHScompliantFRUshaveuniqueFRUpartnumbers.BeforeoraftertheRoHSimplementationdate,the

failedRoHScompliantpartsmustbereplacedwithcompliantpartsandonlythefollowingFRUscanbe

used:identiedascompliantintheHardwareMaintenanceManualordirectsubstitutionscanbeused.

•CompliantFRUsidentiedinHardwareMaintenanceManual

•DirectsubstitutionswithdifferentFRUpartnumbersautomaticallyshippedbythedistributioncenterat

thetimeoforder

ForproductsshippedafterJune2006

CurrentororiginalpartReplacementFRU

MustbeRoHSMustbeRoHS

28HardwareMaintenanceManual

Chapter3.Generalcheckout

Thischapterpresentsfollowinginformation:

•“Whattodorst”onpage29

•“Powersystemcheckout”onpage30

Beforeyougotothecheckoutguide,besuretoreadthefollowingimportantnotes.

Importantnotes:

•Onlycertiedtrainedpersonnelshouldservicethecomputer.

•BeforereplacinganyFRU,readtheentirepageonremovingandreplacingFRUs.

•WhenyoureplaceFRUs,itisrecommendedtousenewnylon-coatedscrews.

•Beextremelycarefulduringsuchwriteoperationsascopying,saving,orformatting.Drivesinthecomputer

thatyouareservicingsequencemighthavebeenaltered.Ifyouselectanincorrectdrive,dataorprograms

mightbeoverwritten.

•ReplaceaFRUonlywithanotherFRUofthecorrectmodel.WhenyoureplaceaFRU,makesurethatthemodel

ofthemachineandtheFRUpartnumberarecorrectbyreferringtotheFRUpartslist.

•AFRUshouldnotbereplacedbecauseofasingle,unreproduciblefailure.Singlefailurescanoccurfora

varietyofreasonsthathavenothingtodowithahardwaredefect,suchascosmicradiation,electrostaticdischarge,

orsoftwareerrors.ConsiderreplacingaFRUonlywhenaproblemrecurs.IfyoususpectthataFRUisdefective,

cleartheerrorlogandrunthetestagain.Iftheerrordoesnotrecur,donotreplacetheFRU.

•BecarefulnottoreplaceanondefectiveFRU.

Whattodorst

WhenyoudoreturnaFRU,youmustincludethefollowinginformationinthepartsexchangeformor

partsreturnformthatyouattachtoit:

1.Nameandphonenumberofservicetechnician

2.Dateofservice

3.Dateonwhichthemachinefailed

4.Dateofpurchase

5.ProcedureindexandpagenumberinwhichthefailingFRUwasdetected

6.FailingFRUnameandpartnumber

7.Machinetype,modelnumber,andserialnumber

8.Customer'snameandaddress

Note:Duringthewarrantyperiod,thecustomermayberesponsibleforrepaircostsifthecomputerdamage

wascausedbymisuse,accident,modication,unsuitablephysicaloroperatingenvironment,orimproper

maintenancebythecustomer.Followingisalistofsomecommonitemsthatarenotcoveredunderwarranty

andsomesymptomsthatmightindicatethatthesystemwassubjectedtostressbeyondnormaluse.

Beforecheckingproblemswiththecomputer,determinewhetherthedamageiscoveredunderthewarranty

byreferringtothefollowinglist:

Thefollowingarenotcoveredunderwarranty:

•LCDpanelcrackedfromtheapplicationofexcessiveforceorfrombeingdropped

•Scratched(cosmetic)parts

•Distortion,deformation,ordiscolorationofthecosmeticparts

•Plasticparts,latches,pins,orconnectorsthathavebeencrackedorbrokenbyexcessiveforce

•Damagecausedbyliquidspilledintothesystem

•DamagecausedbytheimproperinsertionofaPCCardortheinstallationofanincompatiblecard

•Improperdiscinsertionoruseofanopticaldrive

©CopyrightLenovo2012,201329

•Diskettedrivedamagecausedbypressureonthediskettedrivecover,foreignmaterialinthedrive,

ortheinsertionofadiskettewithmultiplelabels

•Damagedorbentdisketteejectbutton

•Fusesblownbyattachmentofanonsupporteddevice

•Forgottencomputerpassword(makingthecomputerunusable)

•Stickykeyscausedbyspillingaliquidontothekeyboard

•Useofanincorrectacpoweradapteronlaptopproducts

Thefollowingsymptomsmightindicatedamagecausedbynonwarrantedactivities:

•Missingpartsmightbeasymptomofunauthorizedserviceormodication.

•Ifthespindleofaharddiskdrivebecomesnoisy,itmayhavebeensubjectedtoexcessiveforce,

ordropped.

Powersystemcheckout

Toverifyasymptom,dothefollowing:

1.Turnoffthecomputer.

2.Removethebatterypack.

3.Connecttheacpoweradapter.

4.Checkthatpowerissuppliedwhenyouturnonthecomputer.

5.Turnoffthecomputer.

6.Disconnecttheacpoweradapterandinstallthechargedbatterypack.

7.Checkthatthebatterypacksuppliespowerwhenyouturnonthecomputer.

Ifyoususpectapowerproblem,seetheappropriateoneofthefollowingpowersupplycheckouts:

•“Checkingtheacpoweradapter”onpage30

•“Checkingoperationalcharging”onpage31

•“Checkingthebatterypack”onpage31

Checkingtheacpoweradapter

Youareherebecausethecomputerfailsonlywhentheacpoweradapterisused.

•Ifthepower-onindicatordoesnotturnon,checkthepowercordoftheacpoweradapterforcorrect

continuityandinstallation.

•Ifthecomputerdoesnotchargeduringoperation,goto“Checkingoperationalcharging”onpage31

Tochecktheacpoweradapter,dothefollowing:

1.Unplugtheacpoweradaptercablefromthecomputer.

2.Measuretheoutputvoltageattheplugoftheacpoweradaptercable.Seethefollowinggure:

PinVoltage(Vdc)

1+20

(20V)

Note:Outputvoltageofpinno.2oftheacpoweradaptermaydifferentfromtheoneyouareservicing.

3.Ifthevoltageisnotcorrect,replacetheacpoweradapter.

4.Ifthevoltageisacceptable,dothefollowing:

•Replacethesystemboard.

•Iftheproblempersists,gotoChapter5“Lenovoproductinformation”onpage37.

30HardwareMaintenanceManual

Note:Noisefromtheacpoweradapterdoesnotalwaysindicateadefect.

Checkingoperationalcharging

Tocheckwhetherthebatterychargesproperlyduringoperation,useadischargedbatterypackorabattery

packthathaslessthan50%ofthetotalpowerremainingwheninstalledinthecomputer.

Performoperationalcharging.Ifthebatterystatusindicatororicondoesnotturnon,removethebattery

packandletitreturntoroomtemperature.Reinstallthebatterypack.Ifthechargeindicatororiconstilldoes

notturnon,replacethebatterypack.

Ifthechargeindicatorstilldoesnotturnon,replacethesystemboard.Thenreinstallthebatterypack.Ifitis

stillnotcharged,gotothenextsection.

Checkingthebatterypack

Batterychargingdoesnotstartuntilthepowermetershowsthatlessthan95%ofthetotalpowerremains;

underthisconditionthebatterypackcanchargeto100%ofitscapacity.Thisprotectsthebatterypackfrom

beingoverchargedorfromhavingashortenedlife.

Tocheckyourbattery,dependingontheoperatingsystemyouareusing,dothefollowing:

•Windows7:LaunchthePowerManagerprogramandclicktheBatterytab.

•Windows8:

–PresstherecoverybuttontolaunchtheLenovoSolutionCenterprogram,andthenclickSystem

➙Battery.

–OpentheLenovoSettingsprogramfromtheStartscreen,andthenclickPower.

Note:Ifthebatterypackbecomeshot,itmaynotbeabletobecharged.Removeitfromthecomputerand

leaveitatroomtemperatureforawhile.Afteritcoolsdown,reinstallandrechargeit.

Tocheckthebatterypack,dothefollowing:

1.Poweroffthecomputer.

2.Removethebatterypackandmeasurethevoltagebetweenbatteryterminals1(+)and7(-).Seethe

followinggure:

TerminalVoltage(Vdc)

1+0to+14

7Ground(-)

1(+) 2(+)

3456(-) 7(-)

3.Ifthevoltageislessthan+11.0Vdc,thebatterypackhasbeendischarged.

Note:Rechargingwilltakeatleast3hours,eveniftheindicatordoesnotturnon.

Ifthevoltageisstilllessthan+11.0Vdcafterrecharging,replacethebattery.

4.Ifthevoltageismorethan+11.0Vdc,measuretheresistancebetweenbatteryterminals5and7.

Theresistancemustbe4to30KΩ.

Chapter3.Generalcheckout31

Iftheresistanceisnotcorrect,replacethebatterypack.Iftheresistanceiscorrect,replacethesystem

board.

32HardwareMaintenanceManual

Chapter4.Relatedserviceinformation

Thischapterpresentsthefollowinginformation:

•“Recoveringthecomputersettings”onpage33

•“Passwords”onpage33

•“Powermanagement”onpage34

Recoveringthecomputersettings

Thistopicprovidesinformationabouttherecoveryprogramsthatareavailableforyoutorecoverthe

computersettings.

•Windows7:ThefollowingrecoveryprogramsareavailableoncomputerswithaWindows7operating

system:

–OneKey®RecoveryPro

TheOneKeyRecoveryProprogramenablesyoutobackupallyourharddiskdrivecontents,including

theoperatingsystem,datales,softwareprograms,andpersonalsettings.Youcandesignatewhere

theOneKeyRecoveryProprogramstoresthebackup.Afteryouhavebackedupthecontentsonthe

harddiskdrive,youcanrestorethecompletecontentsoftheharddiskdrive,restoreonlythedesired

les,orrestoreonlytheWindowsoperatingsystemandapplications.

–ProductRecovery

TheProductRecoveryprogramenablesyoutorestorethecomputersettingstothefactorydefault

settingsthroughrecoverymedia.

Attention:WhenyouusetheProductRecoveryprogramtorestorethecomputersettings,allthedata

youhavestoredontheharddiskdrivewillbedeletedandthecomputersettingswillberestoredtothe

factorydefaultsettings.Duringtherestoringprocess,youwillbegiventheoptiontosaveoneormore

lescurrentlyontheharddiskdrivetoothermediabeforethedataisdeleted.

•Windows8:ThepreinstalledWindowsrecoveryprogramenablesyoutodothefollowing:

–Refreshingthecomputerwithoutlosingpersonalles

–Restoringthecomputertothefactorydefaultsettings

Attention:WhenyouusetheWindowsrecoveryprogramtorestorethecomputersettings,allthedata

youhavestoredontheharddiskdrivewillbedeletedandthecomputerwillberestoredtothefactory

defaultsettings.Toavoiddataloss,backupyourdatainadvance.

–Conguringtheadvancedstartupoptions

Theadvancedstartupoptionsenableyoutodothefollowing:

–ChangingthestartupsettingsoftheWindowsoperatingsystem

–RestoringtheWindowsoperatingsystemfromasystemimage

–Startingupfromanexternaldevice

Formoreinformationabouttherecoverysolutions,refertothehelpinformationsystemoftheprograms.

Passwords

AsmanyastwopasswordsmightbeneededforaLenovonotebookcomputer:thepower-onpassword

andthesupervisorpassword.

©CopyrightLenovo2012,201333

Ifanyofthesepasswordshasbeenset,apromptforitwillbedisplayedonthescreenwheneverthe

computeristurnedon.Thecomputerdoesnotstartuntilthepasswordisentered.

Note:Ifonlyasupervisorpasswordisset,thepasswordpromptwillnotbedisplayedwhentheoperating

systemisstarted.

Power-onpassword

Apower-onpasswordprotectsthesystemfrombeingturnedonbyanunauthorizedperson.Thepassword

mustbeenteredbeforeanoperatingsystemcanbestarted.

Supervisorpassword

AsupervisorpasswordprotectsthesysteminformationstoredintheBIOS.Theusermustenterthe

supervisorpasswordtogetaccesstotheBIOSandchangethesystemconguration.

Attention:Ifyouforgetthepassword,thereisnoserviceproceduretoresetthepassword.Thesystem

boardmustbereplacedforascheduledfee.

Powermanagement

Note:PowermanagementmodesarenotsupportedforAPMoperatingsystem.

Toreducepowerconsumption,thecomputerhasthreepowermanagementmodes:screenblank,sleep,

andhibernation.

Screenblankmode

Ifthetimesetonthe“Turnoffmonitor”timerintheoperatingsystemexpires,theLCDbacklightturnsoff.

YoualsocanturnofftheLCDbacklightbypressingFn+F2.

Toendscreenblankmodeandresumenormaloperation,pressanykey.

Sleepmode

Whenthecomputerenterssleepmode,thefollowingeventsoccurinadditiontowhatoccursinscreen

blankmode:

•TheLCDispoweredoff.

•Theharddiskdriveispoweredoff.

•TheCPUstops.

Toentersleepmode,pressFn+F1.

Incertaincircumstances,thecomputergoesintosleepmodeautomatically:

•Ifa“suspendtime”hasbeensetonthetimer,andtheuserdoesnotdoanyoperationwiththekeyboard,

theharddiskdrive,theparallelconnector,orthediskettedrivewithinthattime.

•Ifthebatteryindicatorblinksorange,indicatingthatthebatterypowerislow.

Tocausethecomputertoreturnfromsleepmodeandresumetheoperation,dooneofthefollowing:

•PresstheFnkey.

•OpentheLCDcover.

•Turnonthepowerbutton.

Also,whenthetimesetontheresumetimerelapses,thecomputerautomaticallyreturnsfromsleepmode

andresumesoperation.

34HardwareMaintenanceManual

Note:Thecomputerdoesnotacceptanyinputimmediatelyafteritenterssleepmode.Waitafewseconds

beforetakinganyactiontoreenteroperationmode.

Hibernationmode

Inhibernationmode,thefollowingoccurs:

•Thesystemstatus,RAM,VRAM,andsetupdataarestoredontheharddiskdrive.

•Thesystemispoweredoff.

Ifyouhavedenedoneofthefollowingactionsastheeventthatcausesthesystemtogointohibernation

mode,performthataction.

•Closingthelid.

•Pressingthepowerbutton.

Also,thecomputergoesintohibernationmodeautomaticallyineitherofthefollowingconditions:

•Ifa“hibernationtime”hasbeensetonthetimer,andiftheuserdoesnotdoanyoperationwiththe

keyboard,theharddiskdrive,theparallelconnector,orthediskettedrivewithinthattime.

•Ifthetimerconditionsaresatisedinsuspendmode.

Whenthepoweristurnedon,thecomputerreturnsfromhibernationmodeandresumesoperation.The

hibernationleinthebootrecordontheharddiskdriveisread,andsystemstatusisrestoredfromthe

harddiskdrive.

Chapter4.Relatedserviceinformation35

36HardwareMaintenanceManual

Chapter5.Lenovoproductinformation

Thischapterpresentstheproduct-specicservicereferencesandpartsinformationforthecomputer.

•“Specications”onpage37

•“Statusindicators”onpage38

•“Fnkeycombinations”onpage39

Specications

Thistopicliststhephysicalfeaturesforthecomputer.

Processor

•Windows7:T oviewthesystempropertiesofyourcomputer,clickStart,right-clickComputer;then

clickProperties.

•Windows8:Fromthedesktop,movethecursortothetop-rightorbottom-rightcornerofthescreento

displaythecharms.ThenclickSettings➙PCinfo.

Memory

•Doubledatarate3(DDR3)synchronousdynamicrandomaccessmemory(SDRAM)

Storagedevice

•2.5-inch(7mmheightor9.5mmheight)harddiskdrive

•mSATAsolidstatedrive(onsomemodelsforcacheonly)

Display

•Size:14.0inches(356mm)

•Resolution:

–LCD:1366-by-768

–Externalmonitor:Maximum2048-by-1536

•Camera

Keyboard

•6-rowLenovokeyboard

•Recoverybutton

Interface

•Comboaudiojack(stereoheadphoneorheadset)

•TwoUSB2.0connectors

•TwoUSB3.0connectors

•RJ45Ethernetconnector

•HDMIport

•Externalmonitorconnector

•4-in-1digitalmediacardreaderslot

©CopyrightLenovo2012,201337

Opticaldrive

•12.7mmRamboopticaldrive

Wirelessfeatures

•IntegratedwirelessLAN

•100/1000MbpsEthernetcommunication

Statusindicators

Thischapterpresentsthesystemstatusindicatorsthatshowthestatusofthecomputer.

123

Table1.Statusindicators

IndicatorMeaning

1Capslockstatus

indicator

White:CapsLockmodeisenabled.Youcantypeallalphabeticcharacters(A-Z)in

uppercasedirectly.ToenableordisableCapsLockmode,presstheCapsLockkey.

2Numericlockstatus

indicator

White:Theseparatenumerickeypadonthekeyboardisenabled.Toenableordisable

thenumerickeypad,presstheNumericLockkey.

38HardwareMaintenanceManual

Table1.Statusindicators(continued)

IndicatorMeaning

3Deviceaccess

statusindicator

On:Theharddiskdriveoropticaldriveisreadingorwritingdata.

Attention:

•Whentheindicatorison,donotputthecomputerintosleepmodeorturnoffthe

computer.

•Whentheindicatorison,donotmovethecomputer.Suddenphysicalshockmight

causedriveerrors.

4Powerandbattery

statusindicator

•Solidgreen:Thebatterychargelevelisbetween80%and100%,orthebattery

dischargelevelisbetween20%and100%.

•Slowblinkinggreen:Thebatterychargelevelisbetween20%and80%,and

chargingiscontinuing.Whenthebatterychargelevelreaches80%,thebatterystatus

indicatorstopsblinking,butthechargingmightcontinueuntilthebatteryis100%

charged.

•Slowblinkingorange:Thebatterychargelevelisbetween5%and20%,andthe

chargingiscontinuing.Whenthebatterychargelevelreaches20%,theblinking

colorchangestogreen.

•Solidorange:Thebatterydischargelevelisbetween5%and20%.

•Fastblinkingorange:Thebatterychargeordischargelevelis5%orless.

•Off:Thebatteryisdetachedorthecomputerispoweredoff.

Fnkeycombinations

ThefollowingtabledescribesthefunctionsofFnkeycombinations.

Table2.Functionkeycombinations

KeycombinationDescription

Fn+Esc•Windows7:Changethecameraandaudiosettings

•Windows8:Turnsonoroffthecamera

Fn+F1Putsthecomputerintosleepmode.Toresumenormaloperation,press

theFnkeyonly.

Fn+F2Enablesthebacklightfeatureofthecomputerscreen.Todisablethefeature,

pressFn+F2.

Fn+F3Switchesbetweenthecomputerdisplayandanexternalmonitor.Note:You

alsocanusetheWindows+Pcombinationtoswitchbetweenthecomputer

displayandanexternalmonitor.

Fn+F5Enablesordisablesthebuilt-inwirelessnetworkingfeatures.

Fn+F6Enablesordisablesthetouchpad.

Fn+F8Enablesordisablesthenumerickeypad.

Fn+F9Multimediacontrol:Start/Pause

Fn+F10Multimediacontrol:Stop

Fn+F11Multimediacontrol:Skiptotheprevioustrack

Fn+F12Multimediacontrol:Skiptothenexttrack

Fn+PgUpHasthesamefunctionastheScrLkkeyonaconventionalkeyboard.

Fn+PrtScHasthesamefunctionastheSysRqkeyonaconventionalkeyboard.

Chapter5.Lenovoproductinformation39

Table2.Functionkeycombinations(continued)

KeycombinationDescription

Fn+HomeHasthesamefunctionasthePausekeyonaconventionalkeyboard.

Fn+EndHasthesamefunctionastheBreakkeyonaconventionalkeyboard.

Fn+PgDnHasthesamefunctionastheInsertkeyonaconventionalkeyboard.

Fn+up/downarrowIncreasesordecreasesthedisplaybrightnesslevel.

Fn+left/rightarrowDecreasesorincreasesthesoundvolume.

40HardwareMaintenanceManual

Chapter6.FRUreplacementnotices

Thischapterpresentsnoticesrelatedtoremovingandreplacingparts.Readthischaptercarefullybefore

replacinganyFRU.

CRUstatementforcustomers:

Youcanresolvesomeproblemswithyourproductwithareplacementpartyoucaninstallyourself,called

a“CustomerReplaceableUnit”or“CRU”.SomeCRUsaredesignatedasself-serviceCRUsandothers

aredesignatedasoptional-serviceCRUs.Installationofself-serviceCRUsisyourresponsibility.For

optional-serviceCRUs,youcaneitherinstalltheCRUyourselforyoucanrequestthataServiceProvider

installtheCRUaccordingtothewarrantyserviceforyourproduct.IfyouintendoninstallingtheCRU,

LenovowillshiptheCRUtoyou.CRUinformationandreplacementinstructionsareshippedwithyour

productandareavailablefromLenovoatanytimeuponrequest.Y oucanndalistofCRUsforyour

productinthisHardwareMaintenanceManual.Anelectronicversionofthismanualcanbefoundat

http://www.lenovo.com/UserManuals.Followtheon-screeninstructionstondthemanualforyourproduct.

YoumightberequiredtoreturnthedefectiveCRU.Whenreturnisrequired:(1)returninstructions,aprepaid

shippinglabel,andacontainerwillbeincludedwiththereplacementCRU;and(2)youmightbechargedfor

thereplacementCRUifLenovodoesnotreceivethedefectiveCRUwithinthirty(30)daysofyourreceiptof

thereplacementCRU.SeeyourLenovoLimitedWarrantydocumentationforfulldetails.

Screwnotices

Loosescrewscancauseareliabilityproblem.IntheLenovonotebookcomputer,thisproblemisaddressed

withspecialnylon-coatedscrewsthathavethefollowingcharacteristics:

•Theymaintaintightconnections.

•Theydonoteasilycomeloose,evenwithshockorvibration.

•Theyarehardertotighten.

Dothefollowingwhenyouservicethismachine:

•Keepthescrewkitinyourtoolbag.

•Itisrecommendedtousenewscrews.

•Itrecommendedtouseeachscrewonlyonce.

•Useatorquescrewdriverifyouhaveone.

Tightenscrewsasfollows:

•Plastictoplastic

Turnanadditional90degreesafterthescrewheadtouchesthesurfaceoftheplasticpart:

•Logiccardtoplastic

Turnanadditional180degreesafterthescrewheadtouchesthesurfaceofthelogiccard:

©CopyrightLenovo2012,201341

•T orquedriver

Ifyouhaveatorquescrewdriver,refertotheTorquecolumninthescrewinformationtableforeachstep.

•Makesurethatyouusethecorrectscrew.Itisrecommendedtousenewscrewsforreplacements.If

youhaveatorquescrewdriver,tightenallscrewsrmlytothetorquespeciedinthescrewinformation

tableforeachstep.

•Ensuretorquescrewdriversarecalibratedcorrectlyfollowingcountryspecications.

42HardwareMaintenanceManual

Chapter7.RemovingandreplacingaFRU

ThischapterprovidesinstructionsonhowtoremoveorreplaceaFRU.