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HardwareMaintenanceManual
LenovoB430
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Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformation
underAppendixA“Notices”onpage97.
SecondEdition(November2012)
©CopyrightLenovo2012.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministration 
“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.GS-35F-05925.
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Contents
Aboutthismanual...........iii
Chapter1.Safetyinformation.....1
Generalsafety...............1
Electricalsafety..............2
Safetyinspectionguide...........3
Handlingdevicesthataresensitivetoelectrostatic
discharge.................3
Groundingrequirements...........4
Safetynotices(multilingualtranslations).....4
Lasercompliancestatement(multilingual
translations)................17
Chapter2.Importantservice
information..............23
StrategyforreplacingFRUs.........23
Strategyforreplacingaharddiskdrive...23 
Importantnoticeforreplacingasystem
board................24
Howtouseerrorcodes.........24
StrategyforreplacingFRUsforCTO,CMV ,and
GAVproducts...............24
Productdenition............24
FRUidenticationforCTO,CMV ,andGAV
products...............25
Chapter3.Generalcheckout.....27
Whattodorst..............27
Checkoutguide..............28
LenovoSolutionCenter.........28
Quicktestprograms...........28
UEFIdiagnosticprogram.........29
Bootablediagnosticprograms.......29
Powersystemcheckout...........30
Checkingtheacpoweradapter......30
Checkingoperationalcharging......31
Checkingthebatterypack........31
Checkingthebackupbattery.......32
Chapter4.Relatedservice
information..............33
Restoringthefactorycontentsbyusingthe
RecoveryDiscSet.............33
UsingtheWindowsrecoveryprogramsonthe
Windows8operatingsystem.........34
Passwords................35
Power-onpassword...........35
Harddiskpassword...........35
Supervisorpassword..........36
Howtoremovethepower-onpassword...36 
Howtoremovetheharddiskpassword...36
Powermanagement............37
Screenblankmode(fortheWindows7
operatingsystemonly)..........37
Sleepmode..............37
Hibernationmode...........37
Symptom-to-FRUindex...........38
Numericerrorcodes..........39
Errormessages............39
No-beepsymptoms...........40
LCD-relatedsymptoms.........40
Intermittentproblems..........40
Undeterminedproblems.........41
Chapter5.Statusindicators.....43
Chapter6.Specialkeys........45
Chapter7.Locations.........47
Locatingcomputercontrols,connectors,and
indicators.................47
Frontview...............47
Rearview...............48
Bottomview..............48
LocatingFRUsandCRUs..........48
MajorFRUsandCRUs..........50
LCDFRUsandCRUs..........52
LookingupFRUinformation.........53
Chapter8.FRUreplacement
notices................55
Screwnotices...............55
Retainingserialnumbers,MTM,UUID,andAsset
ID....................56
Chapter9.Removingorreplacinga
FRU..................57
Generalguidelines.............57
BeforeservicingLenovoB430models.....58
1010Batterypack.............58
1020Largebottomcover..........59
1030Smallbottomcover..........60
1040Opticaldriveorblankbezel.......60
1050Memorymodules...........61
1060Harddiskdriveassembly........62
1070PCIExpressMiniCardforwirelessLAN..64
1080Backupbattery............65
©CopyrightLenovo2012
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1090Thermalfan.............66
1100Thermalpipes.............67
1110Keyboard..............69
1120Keyboardbezelassembly,cardreader,touch
pad,anddummycap............72
1130CPU................76
1140Systemboardassembly.........77
1150Speakerassembly...........80
1160Powerbuttonsubcard.........82
1170I/OsubcardwithUSBconnectorandaudio
jack...................82
1180RJ45subcard............84
1190LCDunit...............86
1200BasecoverassemblyandDC-inconnector.89
2010LCDbezelassembly..........90
2020LCDpanelandhinges.........91
2030IntegratedcameraandLCDcablewith
microphoneboard.............93
2040WirelessantennaassemblyandLCDrear
coverassembly..............95
AppendixA.Notices..........97
Trademarks................98
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Aboutthismanual
ThismanualcontainsserviceandreferenceinformationforthefollowingLenovoproducts.
LenovoB430
MachineType(MT)6270
Usethismanualalongwiththeadvanceddiagnosticteststotroubleshootproblems.
Important:
ThismanualisintendedonlyfortrainedservicetechnicianswhoarefamiliarwithLenovoproducts.Use 
thismanualalongwiththeadvanceddiagnosticteststotroubleshootproblemseffectively. 
BeforeservicingaLenovoproduct,besuretoreadalltheinformationunderChapter1“Safety 
information”onpage1
andChapter2“Importantserviceinformation”onpage23.
©CopyrightLenovo2012
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ivHardwareMaintenanceManual
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Chapter1.Safetyinformation
Thischapterpresentsthefollowingsafetyinformationthatyouneedtobefamiliarwithbeforeyouservicea 
Lenovonotebookcomputer.
•“Generalsafety”onpage1
•“Electricalsafety”onpage2
•“Safetyinspectionguide”onpage3
•“Handlingdevicesthataresensitivetoelectrostaticdischarge”onpage3
•“Groundingrequirements”onpage4
•“Safetynotices(multilingualtranslations)”onpage4
•“Lasercompliancestatement(multilingualtranslations)”onpage17
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.
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Electricalsafety
Observethefollowingruleswhenworkingonelectricalequipment.
Important:
•Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoftmaterial 
thatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.
•Manycustomershave,neartheirequipment,rubberoormatsthatcontainsmallconductivebersto 
decreaseelectrostaticdischarges.Donotusethistypeofmattoprotectyourselffromelectricalshock.
•Findtheroomemergencypower-off(EPO)switch,disconnectingswitch,orelectricaloutlet.Ifanelectrical 
accidentoccurs,youcanthenoperatetheswitchorunplugthepowercordquickly.
•Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.
•Disconnectallpowerbefore: 
–Performingamechanicalinspection 
–Workingnearpowersupplies 
–Removingorinstallingmainunits
•Beforeyoustarttoworkonthemachine,unplugthepowercord.Ifyoucannotunplugit,askthecustomer 
topoweroffthewallboxthatsuppliespowertothemachine,andtolockthewallboxintheoffposition.
•Ifyouneedtoworkonamachinethathasexposedelectricalcircuits,observethefollowingprecautions: 
–Ensurethatanotherperson,familiarwiththepower-offcontrols,isnearyou.Thatpersonmustbethere
toswitchoffthepower,ifnecessary.
–Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour
pocketorbehindyourback.
CAUTION: 
Anelectricalshockcanoccuronlywhenthereisacompletecircuit.Byobservingtheabove 
rule,youmaypreventacurrentfrompassingthroughyourbody.
–Whenusingtesters,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor
thattester.
–Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchas
metaloorstripsandmachineframes.
Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages.Instructionsforthese 
precautionsareinthesafetysectionsofmaintenanceinformation.Useextremecarewhenmeasuring 
highvoltages.
•Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperationalcondition.
•Donotusewornorbrokentoolsandtesters.
•Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpoweredoff.
•Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsaremoistoors, 
nongroundedpowerextensioncables,powersurges,andmissingsafetygrounds.
•Donottouchliveelectricalcircuitswiththereectivesurfaceofaplasticdentalmirror.Thesurfaceis 
conductive;suchtouchingcancausepersonalinjuryandmachinedamage.
•Donotservicethefollowingpartswiththepoweron: 
–Powersupplyunits 
–Pumps 
–Blowersandfans 
–Motorgenerators 
–Unitssimilartothoselistedabove
Thispracticeensurescorrectgroundingoftheunits.
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•Ifanelectricalaccidentoccurs: 
–Usecaution;donotbecomeavictimyourself. 
–Switchoffpower. 
–Sendanotherpersontogetmedicalaid.
Safetyinspectionguide
Thepurposeofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditions.Aseach 
machinewasdesignedandbuilt,requiredsafetyitemswereinstalledtoprotectusersandservicetechnicians 
frominjury.Thisguideaddressesonlythoseitems.Y oushouldusegoodjudgmenttoidentifypotential 
safetyhazardsduetoattachmentofnon-Lenovofeaturesoroptionsnotcoveredbythisinspectionguide.
Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeand 
whetheryoucancontinuewithoutrstcorrectingtheproblem.
Considertheseconditionsandthesafetyhazardstheypresent:
•Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatal 
electricalshock)
•Explosivehazards,suchasadamagedCRTfaceorabulgingcapacitor
•Mechanicalhazards,suchaslooseormissinghardware
Todeterminewhetherthereareanypotentiallyunsafeconditions,usethefollowingchecklistatthebeginning 
ofeveryservicetask.Beginthecheckswiththepoweroff,andthepowercorddisconnected.
Checklist:
1.Checkexteriorcoversfordamage(loose,broken,orsharpedges).
2.Turnoffthecomputer.Disconnectthepowercord.
3.Checkthepowercordfor:
a.Athird-wiregroundconnectoringoodcondition.Useametertomeasurethird-wireground
continuityfor0.1ohmorlessbetweentheexternalgroundpinandtheframeground.
b.Thepowercordshouldbetheauthorizedtypespeciedforyourcomputer.Goto:
http://www.lenovo.com/serviceparts-lookup.
c.Insulationmustnotbefrayedorworn.
4.Checkforcrackedorbulgingbatteries.
5.Removethecover.
6.Checkforanyobviousnon-Lenovoalterations.Usegoodjudgmentastothesafetyofanynon-Lenovo 
alterations.
7.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetallings,contamination,wateror 
otherliquids,orsignsofreorsmokedamage.
8.Checkforworn,frayed,orpinchedcables.
9.Checkthatthepower-supplycoverfasteners(screwsorrivets)havenotbeenremovedortamperedwith.
Handlingdevicesthataresensitivetoelectrostaticdischarge
Anycomputerpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto 
electrostaticdischarge(ESD).ESDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects. 
ProtectagainstESDdamagebyequalizingthechargesothatthemachine,thepart,theworkmat,andthe 
personhandlingthepartareallatthesamecharge.
Chapter1.Safetyinformation3
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Notes:
1.Useproduct-specicESDprocedureswhentheyexceedtherequirementsnotedhere.
2.MakesurethattheESDprotectivedevicesyouusehavebeencertied(ISO9000)asfullyeffective.
WhenhandlingESD-sensitiveparts:
•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.
•Avoidcontactwithotherpeople.
•Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.
•Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeevenwhen 
youarewearingawriststrap.
•Useagroundedworkmattoprovideastatic-freeworksurface.Thematisespeciallyusefulwhen 
handlingESD-sensitivedevices.
•Selectagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespecic 
servicerequirement.
Note:TheuseofagroundingsystemtoguardagainstESDdamageisdesirablebutnotnecessary.
–AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen-wireground.
–Whenworkingonadouble-insulatedorbattery-operatedsystem,useanESDcommongroundor
referencepoint.Y oucanusecoaxorconnector-outsideshellsonthesesystems.
–Usetheroundgroundprongoftheacplugonac-operatedcomputers.
Groundingrequirements
Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper 
groundingoftheelectricaloutletcanbeveriedbyacertiedelectrician.
Safetynotices(multilingualtranslations)
Thesafetynoticesinthissectionareprovidedinthefollowinglanguages:
•English
•Arabic
•BrazilianPortuguese
•French
•German
•Hebrew
•Japanese
•Korean
•Spanish
•T raditionalChinese
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Lasercompliancestatement(multilingualtranslations)
Thelasercompliancestatementsinthissectionareprovidedinthefollowinglanguages:
•English
•Arabic
•BrazilianPortuguese
•French
•German
•Hebrew
•Japanese
•Korean
•Spanish
•T raditionalChinese
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Chapter2.Importantserviceinformation
Thischapterpresentsthefollowingimportantserviceinformationthatappliestoallmachinetypessupported 
bythismanual:
•“StrategyforreplacingFRUs”onpage23 
–“Strategyforreplacingaharddiskdrive”onpage23 
–“Importantnoticeforreplacingasystemboard”onpage24 
–“Howtouseerrorcodes”onpage24
•“StrategyforreplacingFRUsforCTO,CMV,andGAVproducts”onpage24 
–“Productdenition”onpage24 
–“FRUidenticationforCTO,CMV ,andGAVproducts”onpage25
Important:
•AdvisecustomerstocontacttheLenovo 
obtainingorinstallinganysoftwarexes,drivers,andUEFIBIOSdownloads.Telephonenumbersfor 
LenovoSupportareavailableat: 
http://www.lenovo.com/support/phone
•SystemdisassemblyandreassemblyvideosthatshowtheFRUremovalorreplacementproceduresfor 
theLenovoauthorizedservicetechniciansareavailableat: 
http://www.lenovoservicetraining.com/ion/
®
CustomerSupportCenteriftheyneedanyassistancein
StrategyforreplacingFRUs
Beforereplacingparts:
Makesurethatallsoftwarexes,drivers,andUEFIBIOSdownloadsareinstalledbeforeyoureplaceany 
FRUslistedinthismanual.
Afterasystemboardisreplaced,ensurethatthelatestUEFIBIOSisloadedtothesystemboardbeforeyou 
completetheserviceaction.
Todownloadandinstallsoftwarexes,drivers,andUEFIBIOS,gotohttp://www.lenovo.com/Driversand 
followtheinstructionsonthescreen.
UsethefollowingstrategytopreventunnecessaryexpenseforreplacingandservicingFRUs:
•IfyouareinstructedtoreplaceaFRUbutthereplacementdoesnotcorrecttheproblem,reinstallthe 
originalFRUbeforeyoucontinue.
•Somecomputershavebothaprocessorboardandasystemboard.Ifyouareinstructedtoreplaceeither 
theprocessorboardorthesystemboard,andreplacingoneofthemdoesnotcorrecttheproblem, 
reinstallthatboard,andthenreplacetheotherone.
•IfanadapteroradeviceconsistsofmorethanoneFRU,anyoftheFRUsmightbethecauseoftheerror. 
Beforereplacingtheadapterordevice,removetheFRUs,onebyone,toseeifthesymptomschange. 
ReplaceonlytheFRUthatchangedthesymptoms.
Strategyforreplacingaharddiskdrive
Alwaystrytorunalow-levelformatoperationbeforereplacingaharddiskdrive.Thiswillcauseallcustomer 
dataontheharddiskdrivetobelost.Besurethatthecustomerhasacurrentbackupofthedatabefore 
youperformthistask.
©CopyrightLenovo2012
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Attention:Thedrivestartupsequenceinthecomputeryouareservicingmighthavebeenchanged.Be
extremelycarefulduringwriteoperationssuchascopying,saving,orformatting.Ifyouselectanincorrect 
drive,dataorprogramscanbeoverwritten.
Importantnoticeforreplacingasystemboard
Somecomponentsmountedonasystemboardareverysensitive.Improperhandlingofasystemboardcan 
causedamagetothosecomponents,andmaycauseasystemmalfunction.
Attention:Whenhandlingasystemboard:
•Donotdropasystemboardorapplyanyexcessiveforcetoit.
•Avoidroughhandlingofanykind.
•AvoidbendingasystemboardandhardpushingtopreventcrackingateachBallGridArray(BGA)chipset.
Howtouseerrorcodes
Usetheerrorcodesdisplayedonthescreentodiagnosefailures.Ifmorethanoneerrorcodeisdisplayed, 
beginthediagnosiswiththersterrorcode.Whatevercausesthersterrorcodemightalsocausefalse 
errorcodes.Ifnoerrorcodeisdisplayed,seewhethertheerrorsymptomislistedinthe“Symptom-to-FRU 
Index”section.
StrategyforreplacingFRUsforCTO,CMV,andGAVproducts
Productdenition
DynamicCongureT oOrder(CTO)
ThisprovidestheabilityforacustomertocongureaLenovosolutionfromaneSite,andhavethis 
congurationsenttofulllment,whereitisbuiltandshippeddirectlytothecustomer.Themachinelabel, 
ProductEntitlementWarehouse(PEW),andeSupportwillloadtheseproductsasthe4-digitMTand3-digit 
model,wheremodel=“CTO”(example:1829-CTO).
CustomModelVariant(CMV)
ThisisauniquecongurationthathasbeennegotiatedbetweenLenovoandthecustomer.Aunique4-digit 
MTand3-digitmodelisprovidedtothecustomertoplaceorders(example:1829-W15).ACMVisaspecial 
bidoffering.Therefore,itisnotgenerallyannounced.
•TheMTMportionofthemachinelabelisthe4-digitMTand3-digitmodel,wheremodel=“CTO” 
(example:1829-CTO).ThePRODUCTIDportionofthemachinelabelisthe4-digitMTand3-digitCMV 
model(example:1829-W15).
•ThePEWrecordisthe4-digitMTand3-digitmodel,wheremodel=“CTO”(example:1829-CTO).
•eSupportwillshowboththeCTOandCMVmachinetypemodels(example:1829-CTOand1829-W15will 
befoundontheeSupportsite.)
GeneralAnnounceVariant(GAV)
Thisisastandardmodel(xedconguration).GAVsareannouncedandofferedtoallcustomers.TheMTM 
portionofthemachinelabelisa4-digitMTand3-digitmodel,wheremodel=a“xedpartnumber”,not 
“CTO”(example:1829-F1U).Also,PEWandeSupportwilllisttheseproductsunderthesamexedmodel 
number.
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FRUidenticationforCTO,CMV,andGAVproducts
TherearetwoinformationresourcestoidentifywhichFRUsareusedtosupportCTO,CMV,andGAV 
products.ThesesourcesarePEWandeSupport.
UsingPEW
•PEWistheprimarysourceforidentifyingFRUpartnumbersandFRUdescriptionsforthekeycommodities 
forCTO,CMV ,andGAVproductsatanMT-serialnumberlevel.Anexampleofkeycommoditiesarehard 
diskdrives,systemboards,microprocessors,liquidcrystaldisplays(LCDs),andmemorymodules.
•Remember,allCTOandCMVproductsareloadedinPEWunderthe4-digitMTand3-digitmodel,where 
model=“CTO”(Example:1829-CTO).GAVsareloadedinPEWunderthe4-digitMTand3-digitmodel, 
wheremodel=a“xedpartnumber”,not“CTO”(Example:1829-F1U).
•PEWcanbeaccessedatthefollowingWebsite: 
http://www.lenovo.com/support/site.wss/document.do?lndocid=LOOK-WARNTY 
SelectWarrantylookup.InputtheMTandtheSerialnumberandthelistofkeycommoditieswillbe 
returnedinthePEWrecordunderCOMPONENTINFORMA TION.
UsingeSupport
Forkeycommodities(examples-harddiskdrive,systemboard,microprocessor,LCD,andmemory 
module)
•eSupportcanbeusedtoviewthelistofkeycommoditiesbuiltinaparticularmachineserial(thisisthe 
samerecordfoundinPEW).
•eSupportcanbeaccessedat:http://www.lenovo.com/support.
•T oviewthekeycommodities,dothefollowing:
1.ClickWarranty.
2.ClickCheckWarrantyStatus.
3.OntheWarrantyStatusLookuppage,clickPartsLookup.
4.Typeyourmachinetypeandserialnumber,andthenclickSubmit.Thekeycommoditieswillbe 
displayed.
FortheremainingFRUs(thecompletelistofFRUsattheMTmodellevel)
•eSupportcanbeusedtoviewthecompletelistofFRUsforamachinetypeandmodel.
•T oviewthecompletelistofFRUs,dothefollowing:
1.ClickProduct&PartsDetailandthenfollowtheinstructionsonthescreentoreachtheProduct 
andPartsDetailpage.
2.ClickthePartsDetailtabtoviewthelistofserviceparts.
Chapter2.Importantserviceinformation25
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26HardwareMaintenanceManual
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Chapter3.Generalcheckout
Thischapterpresentsfollowinginformation:
•“Whattodorst”onpage27
•“Checkoutguide”onpage28 
–“LenovoSolutionCenter”onpage28 
–“Quicktestprograms”onpage28 
–“UEFIdiagnosticprogram”onpage29 
–“Bootablediagnosticprograms”onpage29
•“Powersystemcheckout”onpage30
Somedescriptionsinthischaptermightnotapplytoyourparticularcomputer.
Beforeyougotothecheckoutguide,besuretoreadthefollowingimportantnotes.
Importantnotes:
•Onlycertiedtrainedpersonnelshouldservicethecomputer.
•BeforereplacinganyFRU,readtheentirepageonremovingandreplacingFRUs.
•WhenyoureplaceFRUs,itisrecommendedtousenewnylon-coatedscrews.
•Beextremelycarefulduringsuchwriteoperationsascopying,saving,orformatting.Drivesinthecomputer 
thatyouareservicingsequencemighthavebeenaltered.Ifyouselectanincorrectdrive,dataorprograms 
mightbeoverwritten.
•ReplaceaFRUonlywithanotherFRUofthecorrectmodel.WhenyoureplaceaFRU,makesurethatthemodel 
ofthemachineandtheFRUpartnumberarecorrect.
•AFRUshouldnotbereplacedbecauseofasingle,unreproduciblefailure.Singlefailurescanoccurfora 
varietyofreasonsthathavenothingtodowithahardwaredefect,suchascosmicradiation,electrostaticdischarge, 
orsoftwareerrors.ConsiderreplacingaFRUonlywhenaproblemrecurs.IfyoususpectthataFRUisdefective, 
cleartheerrorlogandrunthetestagain.Iftheerrordoesnotrecur,donotreplacetheFRU.
•BecarefulnottoreplaceanondefectiveFRU.
Whattodorst
WhenyoureturnaFRU,youmustincludethefollowinginformationinthepartsexchangeformorparts 
returnformthatyouattachtoit:
1.Nameandphonenumberofservicetechnician
2.Dateofservice
3.Dateonwhichthemachinefailed
4.Dateofpurchase
5.Failuresymptoms,errorcodesappearingonthedisplay,andbeepsymptoms
6.ProcedureindexandpagenumberinwhichthefailingFRUwasdetected
7.FailingFRUnameandpartnumber
8.Machinetype,modelnumber,andserialnumber
9.Customer'snameandaddress
Note:Duringthewarrantyperiod,thecustomermayberesponsibleforrepaircostsifthecomputerdamage 
wascausedbymisuse,accident,modication,unsuitablephysicaloroperatingenvironment,orimproper 
maintenancebythecustomer.Followingisalistofsomecommonitemsthatarenotcoveredunderwarranty 
andsomesymptomsthatmightindicatethatthesystemwassubjecttostressbeyondnormaluse.
Beforecheckingproblemswiththecomputer,determinewhetherthedamageiscoveredunderthewarranty 
byreferringtothefollowinglist:
©CopyrightLenovo2012
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Thefollowingarenotcoveredunderwarranty:
•LCDpanelcrackedfromtheapplicationofexcessiveforceorfrombeingdropped
•Scratched(cosmetic)parts
•Distortion,deformation,ordiscolorationofthecosmeticparts
•Plasticparts,latches,pins,orconnectorsthathavebeencrackedorbrokenbyexcessiveforce
•Damagecausedbyliquidspilledintothesystem
•DamagecausedbytheimproperinsertionofaPCCardortheinstallationofanincompatiblecard
•Improperdiscinsertionoruseofanopticaldrive
•Diskettedrivedamagecausedbypressureonthediskettedrivecover,foreignmaterialinthedrive, 
ortheinsertionofadiskettewithmultiplelabels
•Damagedorbentdisketteejectbutton
•Fusesblownbyattachmentofanonsupporteddevice
•Forgottencomputerpassword(makingthecomputerunusable)
•Stickykeyscausedbyspillingaliquidontothekeyboard
•Useofanincorrectacpoweradapteronlaptopproducts
Thefollowingsymptomsmightindicatedamagecausedbynonwarrantedactivities:
•Missingpartsmightbeasymptomofunauthorizedserviceormodication.
•Ifthespindleofaharddiskdrivebecomesnoisy,itmighthavebeensubjecttoexcessiveforce,or 
dropped.
Checkoutguide
UsethefollowingproceduresasaguideinidentifyingandcorrectingproblemswiththeLenovonotebook 
computer.
Note:ThediagnostictestsareintendedtotestonlyLenovoproducts.Theuseofnon-Lenovoproducts, 
prototypecards,ormodiedoptionscanleadtofalseindicationsoferrorsandinvalidsystemresponses.
1.Identifythefailingsymptomsinasmuchdetailaspossible.
2.Verifythesymptoms.T rytore-createthefailurebyrunningthediagnostictestorbyrepeatingthe 
operation.
LenovoSolutionCenter
TheLenovoSolutionCenterprogramenablesyoutotroubleshootandresolvecomputerproblems.It 
combinesdiagnostictests,systeminformationcollection,securitystatus,andsupportinformation,along 
withhintsandtipsformaximumsystemperformance.
TheLenovoSolutionCenterprogramisavailablefordownloadathttp://www.lenovo.com/diags.
ToruntheLenovoSolutionCenterprogram,gotoControlPanelandclickSystemandSecurity➙Lenovo 
➙SystemHealthandDiagnostics,andthenfollowtheinstructionsonthescreen.
FormoreinformationabouttheLenovoSolutionCenterprogram,refertothehelpinformationsystem 
oftheprogram.
Quicktestprograms
Youcanrunquicktestprogramstotroubleshootandresolvecomputerproblems,especiallywhenthe 
computerdoesnothavetheLenovoSolutionCenterprograminstalled.
Lenovoprovidesthefollowingquicktestprograms:
•LenovoHardDriveQuickTest:Usethisprogramtotroubleshootandresolveinternalstorageproblems.
•LenovoMemoryQuickT est:Usethisprogramtotroubleshootandresolvememorymoduleproblems.
28HardwareMaintenanceManual
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Thequicktestprogramsareapplicableonthefollowingoperatingsystems:
•Microsoft
®
Windows
®
8
•MicrosoftWindows7
•MicrosoftWindowsXP
•MicrosoftWindowsServer
®
2003
•MicrosoftWindowsServer2008
Todownloadandinstallaquicktestprogram,gotohttp://www.lenovo.com/diagsandfollowtheinstructions 
ontheWebsite.
Torunatestusingaquicktestprogram,dothefollowing:
1.GototheC:\SWTOOLS\ldiagdirectory.
2.Double-clickthegui_lsc_lite.exele.
3.WhentheUserAccountControlwindowopens,clickYes.
4.Selectthedeviceclasstobetested.
5.Selectthedevicestobetested.
6.Selectthetesttobeperformed.
7.Followtheinstructionsonthescreentostartthetest.Whenaproblemisdetected,information 
messagesaredisplayed.Refertothemessagestotroubleshoottheproblem.
UEFIdiagnosticprogram
AUEFIdiagnosticprogramispreinstalledonthecomputer.Itenablesyoutotestmemorymoduleandinternal 
storagedevices,viewsysteminformation,andcheckandrecoverbadsectorsoninternalstoragedevices.
ToruntheUEFIdiagnosticprogram,dothefollowing:
1.Turnonthecomputer.Ifthecomputercannotbeturnedon,goto“Powersystemcheckout”onpage30, 
andcheckthepowersources.Ifanerrorcodeisdisplayed,goto“Symptom-to-FRUindex”onpage38 
forerrorcodedescriptionsandtroubleshootinghints.
2.Whenthelogoscreenisdisplayed,repeatedlypressandreleasetheF10key.Themainscreenofthe 
UEFIdiagnosticprogramisdisplayed.
3.Followtheinstructionsonthescreentousetheprogram.
Table1.ItemsonthemainscreenoftheUEFIdiagnosticprogram
TestsTools
•QuickMemoryT est
•QuickStorageDeviceTest
•ExitApplication
•SystemInformation
•RecoverBadSectorsT ool
Bootablediagnosticprograms
IfthecomputeryouareservicingisnotinstalledwiththeUEFIdiagnosticprogram,youcandownloada 
bootablediagnosticprogramfromtheLenovoSupportWebsite.Thebootablediagnosticprogramsenable 
youtotestcomputermemoryandinternalstoragedevices,viewsysteminformation,andcheckandrecover 
theinternalstoragedevices.Tousethebootablediagnosticprograms,youcancreateabootablediagnostic 
mediumonaUSBdeviceorCD.
Tocreateabootablediagnosticmedium,dothefollowing:
Chapter3.Generalcheckout29
Page 36

1.Gotohttp://www.lenovo.com/diags.
2.ClickLenovoBootableDiagnostics.
3.FollowtheinstructionsontheWebsitetocreateabootablediagnosticmediumonaUSBdeviceorCD.
Tousethediagnosticmediumyouhavecreated,dooneofthefollowing:
•IfyouhavecreatedthebootablediagnosticmediumonaUSBdevice,dothefollowing:
1.AttachtheUSBdevicetothecomputer.
2.Turnonthecomputer.Ifthecomputercannotbeturnedon,goto“Powersystemcheckout”onpage 
30,andcheckthepowersources.Ifanerrorcodeisdisplayed,goto“Symptom-to-FRUindex”on 
page38
3.Whenthelogoscreenisdisplayed,repeatedlypressandreleasetheF12key.WhentheBootMenu 
windowopens,releasetheF12key.
4.UsethearrowkeystoselectUSBHDDandthenpressEnter.Thediagnosticprogramwillbe 
launchedautomatically.
5.Followtheinstructionsonthescreentousethediagnosticprogram.
•IfyouhavecreatedthebootablediagnosticmediumonaCD,dothefollowing:
1.Turnonthecomputer.Ifthecomputercannotbeturnedon,goto“Powersystemcheckout”onpage 
30 
page38forerrorcodedescriptionsandtroubleshootinghints.
2.InserttheCDintotheopticaldrive.
3.Restartthecomputer.
4.Whenthelogoscreenisdisplayed,repeatedlypressandreleasetheF12key.WhentheBootMenu 
windowopens,releasetheF12key.
5.UsethearrowkeystoselectATAPICDx(x:0,1,...)andthenpressEnter.Thediagnosticprogram 
willbelaunchedautomatically.
6.Followtheinstructionsonthescreentousethediagnosticprogram.
forerrorcodedescriptionsandtroubleshootinghints.
,andcheckthepowersources.Ifanerrorcodeisdisplayed,goto“Symptom-to-FRUindex”on
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
•“Checkingthebackupbattery”onpage32
Checkingtheacpoweradapter
Ifyoucomputerfailsonlywhentheacpoweradapterisused,usetheinstructionsinthistopic.
•Ifthepower-onindicatordoesnotturnon,checkthepowercordoftheacpoweradapterforcorrect 
continuityandinstallation.
30HardwareMaintenanceManual
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•Ifthecomputerdoesnotchargeduringoperation,goto“Checkingoperationalcharging”onpage31.
Tochecktheacpoweradapter,dothefollowing:
1.Unplugtheacpoweradaptercablefromthecomputer.
2.Measuretheoutputvoltageattheplugoftheacpoweradaptercable.Seethefollowinggure:
Pin
1+20
20
3
Voltage(Vdc)
Ground
Note:Outputvoltageacrosspin2oftheacpoweradaptermightdifferfromtheoneyouareservicing.
3.Ifthevoltageisnotcorrect,replacetheacpoweradapter.
4.Ifthevoltageisacceptable,replacethesystemboard.
Note:Noisefromtheacpoweradapterdoesnotalwaysindicateadefect.
Checkingoperationalcharging
Tocheckwhetherthebatterychargescorrectlyduringoperation,useadischargedbatterypackorabattery 
packthathaslessthan50%ofthetotalpowerremainingwheninstalledinthecomputer.
Performoperationalcharging.Ifthebatterystatusindicatororicondoesnotturnon,removethebattery 
packandletitreturntoroomtemperature.Reinstallthebatterypack.Ifthechargeindicatororiconstilldoes 
notturnon,replacethebatterypack.
Ifthechargeindicatorstilldoesnotturnon,replacethesystemboard.Thenreinstallthebatterypack.Ifitis 
stillnotcharged,gotothenexttopic.
Checkingthebatterypack
ThebatterystatusiconintheWindowsnoticationareadisplaysthepercentageofbatterypowerremaining.
Tocheckfordetailedbatterystatusinformation,dothefollowing:
•ForWindows7:OpenthePowerManagerprogramandclicktheBatterytab.
•ForWindows8:OpentheLenovoSupportprogramandclickBatteryHealth,oropentheLenovo 
SettingsprogramandclickPower.
Note:Ifthebatterypackbecomeshot,itmaynotbeabletocharge.Removeitfromthecomputerandleave 
itatroomtemperatureforawhile.Afteritcoolsdown,reinstallandrechargeit.
Tocheckthebatterypack,dothefollowing:
1.Poweroffthecomputer.
2.Removethebatterypackandmeasurethevoltagebetweenbatteryterminals1(+)and7(-).Seethe 
followinggure:
Chapter3.Generalcheckout31
Page 38

Terminal
1(+)
2(+)
3
4
5
6(-)
7(-)
1+0to+12.6
7
Voltage(Vdc)
Ground(-)
3.Ifthevoltageislessthan+11.0Vdc,thebatterypackhasbeendischarged.
Note:Rechargingwilltakeatleast3hours,eveniftheindicatordoesnotturnon.
Ifthevoltageisstilllessthan+11.0Vdcafterrecharging,replacethebattery.
4.Ifthevoltageismorethan+11.0Vdc,measuretheresistancebetweenbatteryterminals5and7. 
Theresistancemustbe4to30KΩ.Iftheresistanceisnotcorrect,replacethebatterypack.Ifthe 
resistanceiscorrect,replacethesystemboard.
Checkingthebackupbattery
Dothefollowing:
1.Poweroffthecomputer,andunplugtheacpoweradapterfromit.
2.Turnthecomputerupsidedown.
3.Removethebatterypack(see“1010Batterypack”onpage58).
4.Removethebackupbattery(see“1080Backupbattery”onpage65).
5.Measurethevoltageofthebackupbattery.Seethefollowinggure.
Wire
Red+2.5to+3.2
Black
Voltage(Vdc)
Ground
•Ifthevoltageiscorrect,replacethesystemboard.
•Ifthevoltageisnotcorrect,replacethebackupbattery.
•Ifthebackupbatterydischargesquicklyafterreplacement,replacethesystemboard.
32HardwareMaintenanceManual
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Chapter4.Relatedserviceinformation
Thischapterpresentsfollowinginformation:
•“RestoringthefactorycontentsbyusingtheRecoveryDiscSet”onpage33
•“UsingtheWindowsrecoveryprogramsontheWindows8operatingsystem”onpage34
•“Passwords”onpage35
•“Powermanagement”onpage37
•“Symptom-to-FRUindex”onpage38
ServiceWebsite:
Whenthelatestmaintenancedisketteandthesystemprogramservicediskettebecomeavailable,they 
willbepostedonhttp://www.lenovo.com/support.
RestoringthefactorycontentsbyusingtheRecoveryDiscSet
Whenthemainstoragedriveisreplacedbecauseofafailure,noproductrecoveryprogramisonthenew 
drive.Inthiscase,thecustomermustusetheRecoveryDiscSettorecoverthecomputer.Orderthe 
RecoveryDiscSetandthedriveatthesametimesothatthecustomercanrestorethecomputertothe 
factorydefaultsettingsbyusingtheRecoveryDiscSetafterthenewdriveisinstalled.Forinformationabout 
whichdiscstoorder,gotohttp://www.lenovo.com/serviceparts-lookup.
TherecoverydiscsetconsistsoftheuserinstructionsandthefollowingsetofDVDstorestorethecomputer 
totheoriginalfactoryconguration.
•OperatingSystemRecoveryDisc(onedisc):ThisdiscrestorestheMicrosoftWindowsoperatingsystem. 
Usethisdisctostarttherecoveryprocess.
•ApplicationsandDriversRecoveryDisc(oneormorediscs):Thisdiscrestoresthepreinstalled 
applicationsanddriversonthecomputer.
•SupplementalRecoveryDisc:Thisdisccontainsadditionalcontent,suchasupdatestothesoftwarethat 
waspreinstalledonthecomputer.NotallrecoverydiscsetscomewithaSupplementalRecoveryDisc.
Notes:
•Y oumusthaveaDVDdrivetousetherecoverydiscs.IfyoudonothaveaninternalDVDdrive,you 
canuseanexternalUSBDVDdrive.
•Duringtherecoveryprocess,alldataonthedrivewillbedeleted.Ifpossible,copyanyimportantdata 
orpersonallesthatyouwanttokeepontoremovablemediaoranetworkdrivebeforeyoustartthe 
recoveryprocess.
Torestorethecomputertotheoriginalfactorycongurationusingtherecoverydiscset,dothefollowing:
Note:Recoverycantakeonetotwohourstocomplete.Thelengthoftimedependsonthemethodyouuse. 
Ifyouuserecoverydiscs,therecoveryprocesswilltakeabouttwohours.
1.MaketheCD/DVDdrivetherststartupdeviceinthestartupsequenceusingthefollowingprocedure:
a.PressandholddowntheF1key,andthenturnonthecomputer.Whenthelogoscreenisdisplayed
orwhenyouhearrepeatingbeeps,releasetheF1key.TheLenovoSetupprogramopens.
b.UsethearrowkeystoselectStartup➙Boot.
c.SelecttheCD/DVDdriveasthe1stBootDevice.
2.InserttheOperatingSystemRecoveryDiscintotheDVDdrive.
3.PressFn+F10tosavetheLenovoSetupprogramcongurationchanges.Followtheinstructionsonthe 
screentobegintherecoveryprocess.
©CopyrightLenovo2012
33
Page 40

4.SelectyourlanguageandclickNext.
5.Readthelicense.Ifyouagreewiththetermsandconditions,selectIacceptthesetermsand 
conditionsandthenclickNext.Ifyoudonotagreewiththetermsandconditions,followthe 
instructionsonthescreen.
6.ClickYesinthedisplayedwindowtobegintheoperatingsystemrecoveryprocess.
7.InserttheApplicationsandDriversRecoveryDiscwhenpromptedandthenclickOKtobeginthe 
processofrecoveringapplicationsanddrivers.
8.IfyouhaveaSupplementalRecoveryDisc,insertitwhenpromptedandclickYes.Ifyoudonothavea 
SupplementalRecoveryDisc,clickNo.
9.Whenallofthedatahasbeencopiedfromthelastdiscinthesetandhasbeenprocessed,removethe 
discandrestartthecomputer.
Note:Therestoftherecoveryprocessisfullyautomatedandnoactionfromyouisrequired.The 
computerwillrestartintotheMicrosoftWindowsdesktopseveraltimesandyoumightexperience 
periodswhennoactivityisapparentonthescreenforseveralminutesatatime.Thisisnormal.
10.Whentherecoveryprocessiscomplete,theSetUpWindowsscreenisdisplayed.Followthe 
instructionsonthescreentocompletetheWindowssetup.
11.AfteryouhavecompletedtheWindowssetup,youmightwanttorestoretheoriginalstartupsequence. 
StarttheLenovoSetupprogramandthenpressFn+F9torestorethedefaultsettings.PressFn+F10to 
savechangesandexittheLenovoSetupprogram.
Note:Afterrestoringadrivetothefactorydefaultsettings,youmightneedtoreinstallsomedevicedrivers.
UsingtheWindowsrecoveryprogramsontheWindows8operating 
system
Thecomputeryouareservicingmightcomewithbuilt-inrecoveryprogramsprovidedbytheWindows8 
operatingsystem.Y oucanusethoseprogramstorefreshorrestorethecomputer.
Refreshingthecomputer
Ifthecomputeryourareservicingdoesnotperformwellandtheproblemmightbecausedbyarecently 
installedprogram,youcanrefreshthecomputerwithoutlosingthecustomers’personallesorchanging 
thesettings.
Attention:Ifyourefreshthecomputer,theprogramsthatcamewiththecomputerandtheprogramsthat 
wereinstalledfromWindowsStorewillbereinstalled,butallotherprogramswillberemoved.
Torefreshthecomputer,dothefollowing:
1.Moveyourcursortothebottom-rightcornerofthescreentobringupthecharms.ClickSettings
➙ChangePCsettings➙General.
2.IntheRefreshyourPCwithoutaffectingyourlessection,clickGetstarted.
Resettingthecomputertofactorydefaultsettings
Youcanresetthecomputertothefactorydefaultsettings.Duringtheprocess,theoperatingsystemand 
allprogramsthatareshippedwiththecomputerwillbereinstalled.
Attention:Allthepersonallesandsettingswillbedeletedafteryouresetthecomputertothefactory 
defaultsettings.Ensurethattheuserhasmadeabackupcopyofallthedatabeforeresettingthecomputer 
tothefactorydefaultsettings.
Toresetyourcomputer,dothefollowing:
34HardwareMaintenanceManual
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1.Moveyourcursortothebottom-rightcornerofthescreentobringupthecharms.ClickSettings
➙ChangePCsettings➙General.
2.IntheRemoveeverythingandreinstallWindowssection,clickGetstarted.
Advancedstartupoptions
AdvancedstartupoptionsenableyoutochangethestartupsettingsoftheWindowsoperatingsystem,start 
thecomputerfromanexternaldevice,orrestoretheWindowsoperatingsystemfromasystemimage.
Tousetheadvancedstartupoptions,dothefollowing:
1.Moveyourcursortothebottom-rightcornerofthescreentobringupthecharms.ClickSettings
➙ChangePCsettings➙General.
2.IntheAdvancedstartupsection,clickRestartnow➙Troubleshoot➙General➙Advancedoptions.
3.Restartthecomputerfollowingtheinstructionsonthescreen.
FormoredetailsabouttheWindowsrecoverysolutions,refertothehelpinformationsystemoftheWindows 
8operatingsystem.
Passwords
AsmanyasthreepasswordsmightbeneededforaLenovonotebookcomputer:thepower-onpassword, 
theharddiskpassword,andthesupervisorpassword.
Ifanyofthesepasswordshasbeenset,apromptforitwillbedisplayedonthescreenwheneverthe 
computeristurnedon.Thecomputerdoesnotstartuntilthepasswordisentered.
Note:Ifonlyasupervisorpasswordisset,thepasswordpromptwillnotbedisplayedwhentheoperating 
systemisstarted.
Power-onpassword
Apower-onpasswordprotectsthesystemfrombeingturnedonbyanunauthorizedperson.Thepassword 
mustbeenteredbeforetheoperatingsystemcanbestarted.Forinstructionsonhowtoremovethe 
power-onpassword,see“Howtoremovethepower-onpassword”onpage36
.
Harddiskpassword
Therearetwoharddiskpasswords:
•Userharddiskpassword-fortheuser
•Masterharddiskpassword-forthesystemadministrator,whocanuseittogetaccesstotheharddisk 
eveniftheuserhaschangedtheuserharddiskpassword.
Note:Therearetwomodesfortheharddiskpassword:UseronlyandMaster+User.TheMaster+User 
moderequirestwoharddiskpasswords;thesystemadministratorentersbothinthesameoperation.The 
systemadministratorthenprovidestheuserharddiskpasswordtothesystemuser.
Attention:Iftheuserharddiskpasswordhasbeenforgotten,checkwhetheramasterharddiskpassword 
hasbeenset.Ifamasterharddiskpasswordhasbeenset,itcanbeusedtoaccesstheharddiskdrive.If 
nomasterharddiskpasswordisavailable,neitherLenovonorLenovoauthorizedservicetechniciansprovide 
anyservicestoreseteithertheuserharddiskpasswordorthemasterharddiskpassword,ortorecoverdata 
fromtheharddiskdrive.Theharddiskdrivecanbereplacedforascheduledfee.
Chapter4.Relatedserviceinformation35
Page 42

Forinstructionsonhowtoremovetheharddiskpassword,see“Howtoremovetheharddiskpassword” 
onpage36.
Supervisorpassword
AsupervisorpasswordprotectsthesysteminformationstoredintheLenovoSetupprogram.Theuser 
mustenterthesupervisorpasswordinordertogetaccesstotheLenovoSetupprogramandchangethe 
systemconguration.
Attention:Ifthesupervisorpasswordhasbeenforgottenandcannotbemadeavailabletotheservice 
technician,thereisnoserviceproceduretoresetthepassword.Thesystemboardmustbereplacedfor 
ascheduledfee.
Howtoremovethepower-onpassword
Toremovethepower-onpassword,dooneofthefollowing:
Ifnosupervisorpasswordhasbeenset,dothefollowingtoremovethepower-onpassword:
1.Turnoffthecomputer.
2.Removethebatterypack.Forinstructionsonhowtoremovethebatterypack,see“1010Battery 
pack”onpage58.
3.Removethebackupbattery.Forinstructionsonhowtoremovethebackupbattery,see“1080Backup 
battery”onpage65.
4.TurnonthecomputerandwaituntilthePOSTends.AfterthePOSTends,thepasswordpromptwillnot 
bedisplayed.Thepower-onpasswordhasbeenremoved.
5.Reinstallthebackupbatteryandthebatterypack.
Ifasupervisorpasswordhasbeensetandisknowntotheservicetechnician,dothefollowingtoremove 
thepower-onpassword:
1.Turnonthecomputer.
2.Whenthelogoscreenisdisplayed,immediatelypressF1.
3.TypethesupervisorpasswordtoentertheLenovoSetupprogram.
4.SelectSecurity.
5.SelectPassword.
6.SelectPower-OnPassword.
7.TypethecurrentsupervisorpasswordintheEnterCurrentPasswordeld.Then,leavetheEnter 
NewPasswordeldblank,andpressEntertwice.
8.IntheChangeshavebeensavedwindow,pressEnter.
9.PressFn+F10tosavechangesandexittheLenovoSetupprogram.
Howtoremovetheharddiskpassword
Attention:IfUseronlymodeisselectedandtheuserharddiskpasswordhasbeenforgottenandcannot
bemadeavailabletotheservicetechnician,neitherLenovonorLenovoauthorizedservicetechnicians 
provideanyservicestoresettheuserharddiskpassword,ortorecoverdatafromtheharddiskdrive.The 
harddiskdrivecanbereplacedforascheduledfee.
Toremoveauserharddiskpasswordthathasbeenforgotten,whenthesupervisorpasswordandthemaster 
harddiskpasswordareknown,dothefollowing:
1.Turnonthecomputer.
2.Whenthelogoscreenisdisplayed,immediatelypressF1toentertheLenovoSetupprogram.
3.SelectSecurity.
36HardwareMaintenanceManual
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4.SelectPassword.
5.SelectHard-diskxpasswordwherexistheletteroftheharddiskdrive.Apop-upwindowopens.
6.SelectMasterHDP,whereHDPstandsforharddiskpassword.
7.TypethecurrentmasterharddiskpasswordintheEnterCurrentPasswordeld.Then,leavetheEnter 
NewPasswordeldblank,andpressEntertwice.
8.PressFn+F10tosavechangesandexittheLenovoSetupprogram.Theuserharddiskpasswordand 
themasterharddiskpasswordhavebeenremoved.
Powermanagement
Toreducepowerconsumption,thecomputerhasthreepowermanagementmodes:screenblank,sleep, 
andhibernation.
Screenblankmode(fortheWindows7operatingsystemonly)
Ifthetimesetonthe“Turnoffmonitor”timerintheoperatingsystemexpires,theLCDbacklightturnsoff.
Toputthecomputerintoscreenblankmode,dothefollowing:
1.Right-clickthebatterygaugeinthetaskbar.
2.SelectPoweroffdisplay(keepcurrentpowerplan).
Toendscreenblankmodeandresumenormaloperation,pressanykey.
Sleepmode
Whenthecomputerenterssleepmode,thefollowingeventsoccurinadditiontowhatoccursinscreen 
blankmode:
•TheLCDispoweredoff.
•Theharddiskdriveispoweredoff.
•Themicroprocessorstops.
Incertaincircumstances,thecomputergoesintosleepmodeautomatically:
•Afteraperiodofinactivityspeciedinpowerplansettings
•Whenthebatteryindicatorblinksorange,indicatingthatthebatterypowerislow.
Tocausethecomputertoreturnfromsleepmodeandresumeoperation,dooneofthefollowing:
•PresstheFnkey.
•OpentheLCDcover.
•T urnonthepowerbutton.
Also,ineitherofthefollowingevents,thecomputerautomaticallyreturnsfromsleepmodeandresumes 
operation:
•Theringindicator(RI)issignaledbyaserialdeviceoraPCCarddevice.
•Thetimesetontheresumetimerelapses.
Note:Thecomputerdoesnotacceptanyinputimmediatelyafteritenterssleepmode.Waitafew 
secondsbeforetakinganyactiontoreenteroperationmode.
Hibernationmode
Inhibernationmode,thefollowingoccurs:
Chapter4.Relatedserviceinformation37
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•Thesystemstatus,RAM,VRAM,andsetupdataarestoredontheharddiskdrive.
•Thesystemispoweredoff.
Note:Ifthecomputerentersthehibernationmodewhileitisdockedtothedockingstation,donotundockit 
beforeresumingnormaloperation.Ifyoudoundockitandthentrytoresumenormaloperation,youwillget 
anerrormessage,andyouwillhavetorestartthesystem.
Ifyouhavedenedoneofthefollowingactionsastheeventthatcausesthesystemtogointohibernation 
mode,performthataction.
•Closingthelid.
•Pressingthepowerbutton.
Also,thecomputergoesintohibernationmodeautomaticallyafteraperiodofinactivityspeciedinpower 
plansettings
Whenthepoweristurnedon,thecomputerreturnsfromhibernationmodeandresumesoperation.The 
hibernationleinthebootrecordontheharddiskdriveisread,andsystemstatusisrestoredfromthe 
harddiskdrive.
Symptom-to-FRUindex
Thissectioncontainsfollowinginformation:
•“Numericerrorcodes”onpage39
•“Errormessages”onpage39
•“No-beepsymptoms”onpage40
•“LCD-relatedsymptoms”onpage40
•“Intermittentproblems”onpage40
•“Undeterminedproblems”onpage41
Thesymptom-to-FRUindexinthissectionlistssymptomsanderrorsandtheirpossiblecauses.Themost 
likelycauseislistedrst,inboldfacetype.
Note:DotheFRUreplacementorotheractionsinthesequenceshowninthecolumnheaded“FRUor 
action,insequence. ”IfreplacingaFRUdoesnotsolvetheproblem,puttheoriginalpartbackinthe 
computer.DonotreplaceanondefectiveFRU.
Thisindexcanalsohelpyoudetermine,duringregularservicing,whatFRUsarelikelytoneedtobe 
replacednext.
AnumericerrorisdisplayedforeacherrordetectedinPOSTorsystemoperation.Inthedisplays,ncan 
beanynumber.
Ifnonumericcodeisdisplayed,checkthenarrativedescriptionsofsymptoms.Ifthesymptomisnot 
describedthere,goto“Intermittentproblems”onpage40
Note:ForadevicenotsupportedbydiagnosticcodesintheLenovonotebooks,seethemanualforthat 
device.
.
38HardwareMaintenanceManual
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Numericerrorcodes
Table2.Numericerrorcodes
Symptomorerror(beeps,ifany)
0187
EAIAdataaccesserror-TheaccesstoEEPROMisfailed. 
(twoshortbeeps)
0189
InvalidRFIDcongurationinformationarea-TheEEPROM 
checksumisnotcorrect. 
(twoshortbeeps)
0190
Criticallow-batteryerror 
(twoshortbeeps)
0191
SystemSecurity-InvalidRemoteChangerequested.
0251
SystemCMOSchecksumbad-Defaultconguration 
used. 
(twoshortbeeps)
0271
Dateandtimeerror-Neitherthedatenorthetimeisset 
inthecomputer. 
(twoshortbeeps)
1802
Unauthorizednetworkcardispluggedin-Turnoffand 
removetheminiPCInetworkcard. 
(twoshortbeeps)
FRUoraction,insequence
Systemboard.
Systemboard.
1.Chargethebatterypack.
2.Batterypack.
1.RuntheLenovoSetupprogram,andthensave
currentsettingbypressingFn+F10.
2.Systemboard.
1.Chargethebackupbatteryformorethan8hours
byconnectingtheacpoweradapter.
2.ReplacethebackupbatteryandruntheLenovo 
Setupprogramtoresetthetimeanddate.
RuntheLenovoSetupprogramtoresetthetimeand 
date.
1.RemovetheMiniPCInetworkcard.
2.Systemboard.
Errormessages
Table3.Errormessages
Symptomorerror(beeps,ifany)
Fanerror. 
(fourshortbeeps,onelongbeep)
Thissystemdoesnotsupportbatteriesthatarenot 
genuineLenovo-madeorauthorized.Thesystemwill 
continuetoboot,butmaynotchargeunauthorized 
batteries.
Attention:Lenovohasnoresponsibilityforthe 
performanceorsafetyofunauthorizedbatteries,and 
providesnowarrantiesforfailuresordamagearisingout 
oftheiruse.
FRUoraction,insequence
1.Fan.
2.Thermalgrease.
3.Systemboard.
Replacethebattery.
Chapter4.Relatedserviceinformation39
Page 46

No-beepsymptoms
Table4.No-beepsymptoms
Symptomorerror
Nobeep,power-onindicatoron,LCDblank,andno 
POST.
Nobeep,power-onindicatoron,andLCDblankduring 
POST.
Thepower-onpasswordpromptappears.Apower-onpasswordorasupervisorpasswordisset.
Thehard-diskpasswordpromptappears.Ahard-diskpasswordisset.Typethepasswordand
FRUoraction,insequence
1.Makesurethateveryconnectorisconnected 
tightlyandcorrectly.
2.DIMM.
3.Systemboard.
1.ReseatDIMM.
2.Systemboard.
TypethepasswordandpressEnter.
pressEnter.
LCD-relatedsymptoms
Important:TheTFTLCDforthenotebookcomputercontainsmanythin-lmtransistors(TFT s).The
presenceofasmallnumberofdotsthataremissing,discolored,oralwayslightedischaracteristicofTFT 
LCDtechnology,butexcessivepixelproblemscancauseviewingconcerns.
IftheLCDyouareservicinghastwoorlessvisibledefectivepixels,itshouldnotbeconsideredfaulty. 
However,iftheLCDhasthreeormorevisibledefectivepixels,itwillbedeemedasdefectivebyLenovoand 
itshouldbereplaced.
Notes:
•LenovowillnotprovidereplacementiftheLCDiswithinspecicationaswecannotguaranteethat 
anyreplacementLCDwillhavezeropixeldefects.
•ThispolicyappliestoallLenovoNotebookspurchasedon1January,2008orlater.
•OnepixelconsistsofR,G,Bsub-pixels.
Table5.LCD-relatedsymptoms
Symptomorerror
Nobeep,power-onindicatoron,andablankLCDduring 
POST.
•LCDbacklightnotworking.
•LCDtoodark.
•LCDbrightnesscannotbeadjusted.
•LCDcontrastcannotbeadjusted.
•LCDscreenunreadable.
•Charactersmissingpixels.
•Screenabnormal.
•Wrongcolordisplayed.
HorizontalorverticallinesdisplayedonLCD.LCDassembly.
FRUoraction,insequence
Systemboard.
1.ReseattheLCDconnectors.
2.LCDassembly.
3.Systemboard.
1.Seeimportantnotefor“LCD-relatedsymptoms.”
2.ReseatallLCDconnectors.
3.LCDassembly.
4.Systemboard.
Intermittentproblems
Intermittentsystemhangproblemscanbeduetoavarietyofcausesthathavenothingtodowithahardware 
defect,suchascosmicradiation,electrostaticdischarge,orsoftwareerrors.FRUreplacementshouldbe 
consideredonlywhenaproblemrecurs.
40HardwareMaintenanceManual
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Undeterminedproblems
Ifthediagnostictestsdidnotidentifythedevicethathasfailed,ifwrongdevicesareinstalled,orifthe 
systemsimplyisnotoperating,followtheseprocedurestoisolatethefailingFRU(donotisolateFRUs 
thathavenodefects).
Verifythatallattacheddevicesaresupportedbythecomputer.
Verifythatthepowersupplybeingusedatthetimeofthefailureisoperatingcorrectly.(See“Powersystem 
checkout”onpage30)
1.Turnoffthecomputer.
2.VisuallycheckeachFRUfordamage.ReplaceanydamagedFRU.
3.Removeordisconnectallofthefollowingdevices: 
a.Non-Lenovodevices 
b.Printer,mouse,andotherexternaldevices 
c.Batterypack 
d.Harddiskdrive 
e.Externaldiskettedriveoropticaldrive 
f.DIMM 
g.Opticaldiskordisketteintheinternaldrive 
h.PCCards
4.Turnonthecomputer.
5.Determinewhethertheproblemhasbeensolved.
6.Iftheproblemdoesnotrecur,reconnecttheremoveddevicesoneatatimeuntilyoundthefailingFRU.
7.Iftheproblemremains,replacethefollowingFRUsoneatatime(donotreplaceanondefectiveFRU): 
a.Systemboard 
b.LCDassembly
Chapter4.Relatedserviceinformation41
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42HardwareMaintenanceManual
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Chapter5.Statusindicators
Thischapterpresentsthesystemstatusindicatorsthatshowthestatusofthecomputer.
Table6.Statusindicators
IndicatorMeaning
1CapsLockWhentheCapsLockmodeisenabled,theCapsLockindicatorisdisplayedonthe
screen.Y oucantypeallalphabeticcharacters(A-Z)inuppercasedirectly.
1Wirelessstatus
2Powerstatus
3Systemstatus
PressF9toenableordisablethewirelessfeatures.Y oucanquicklychangethepower 
stateofeachfeatureonthelist.
•Green:Theacpoweradapterisconnected.
•Off:Theacpoweradapterisnotconnected.
Yourcomputerhasasystemstatusindicatoronthepalmrest.Themeaningofthe 
indicatorisasfollows:
•Green:Thecomputerison(innormalmode).
•Fastblinkinggreen:Thecomputerisenteringsleeporhibernationmode.
•Slowblinkinggreen:Thecomputerisinsleepmode.
•Off:Thecomputerisofforinhibernationmode.
©CopyrightLenovo2012
43
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44HardwareMaintenanceManual
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Chapter6.Specialkeys
Thecomputercomeswithseveralspecialkeysattheupperrowofthekeyboard.Touseeachfunction, 
directlypressthedesiredkey.
Thefollowingtableexplainsthefunctionofeachspecialkey.
Table7.Specialkeys
Specialkey
Speakermute(F1)
Speakervolume 
down(F2)
Speakervolumeup 
(F3)
Microphonemute 
(F4)
Launchingthe 
cameraandaudio 
settings(F5)
Description
Ifyoumutethesoundandthenturnoffthecomputer,thesoundwillremainmutedwhenyou 
turnonthecomputeragain.T oturnonthesound,pressthespeakervolumeuporspeaker 
volumedownkey.
Pressthemicrophonemutekeytomuteorunmutealloftherecordingdevices.
•ForWindows7:Pressthiskeytotakeapictureorchangethecameraandaudiosettings.
•ForWindows8:Pressthiskeytoenableordisablethecamera.
Switchingthedisplay 
outputlocation(F6)
Displaybrightness 
down(F7)
Displaybrightnessup 
(F8)
©CopyrightLenovo2012
Pressthiskeytoswitchbetweenthecomputerdisplayandanexternalmonitor.Thefollowing 
optionswillbedisplayed:
•Computerdisplayonly(LCD)
•Computerdisplayandexternalmonitor(sameimage)
•Computerdisplayandexternalmonitor(theExtenddesktopfunction)
•Externalmonitoronly 
Note:YoualsocanusetheWindows+Pcombinationtoswitchbetweenthecomputerdisplay 
andanexternalmonitor.
Whenyoupressthiskey,thecomputerdisplaybecomesdimmer.Thepurposeofthismethod 
istochangethebrightnessleveltemporarily.Tochangethedefaultbrightnesslevel,usethe 
PowerManagerprogram,orgointoControlPanel➙PerformanceandMaintenance➙ 
PowerOptionsandmakechangesasdesired.
Whenyoupressthiskey,thecomputerdisplaybecomesbrighter.Thepurposeofthismethod 
istochangethebrightnessleveltemporarily.Tochangethedefaultbrightnesslevel,usethe 
PowerManagerprogram,orgointoControlPanel➙PerformanceandMaintenance➙
PowerOptionsandmakechangesasdesired.
45
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Table7.Specialkeys(continued)
Specialkey
Wirelessradiocontrol 
(F9)
Previoustrack/scene 
(F10)
Play/Pause(F11)
Nexttrack/scene 
(F12)
Description
Pressthiskeytoenableordisablethebuilt-inwirelessnetworkingfeatures.Whenyou 
pressthiskey,alistofwirelessfeaturesisdisplayed.Youcanquicklychangethestateof 
eachfeatureonthelist. 
Notes:Ifyouwanttousethisbuttontoenableordisablethewirelessfeatures,thefollowing 
devicedriversmustbeinstalledonyourcomputerbeforehand:
•PowerManagementdriver
•OnScreenDisplayUtility
•Wirelessdevicedrivers
Usethesekeysformultimediacontrol.
46HardwareMaintenanceManual
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Chapter7.Locations
1
1
2
3
4
5
9
6
7
8
10
11
ThischapterintroducesthelocationsofthehardwarecomponentsonLenovoB430models.
Locatingcomputercontrols,connectors,andindicators
Thistopicintroducesthelocationsofthecomputercontrols,connectors,andindicators.
Frontview
1Built-inmicrophones
2Integratedcamera
3acpowerconnector
4RJ45Ethernetconnector10T ouchpad
5Opticaldriveorblankbezel
6AlwaysOnUSBconnector
1
:Forthedescriptionofthesystemstatusindicator,seeChapter5“Statusindicators”onpage43
©CopyrightLenovo2012
7Comboaudiojack
8Systemstatusindicator
9Mediacardreaderslot
11Powerbutton
1
.
47
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Rearview
1USB3.0connectors4Videographicsarray(VGA)connector
2HDMIport
3USB3.0connector
5Securitykeyhole
Bottomview
1Smallbottomcover
2Batterypacklatches5Built-instereospeakers
3Batterypack
4Largebottomcover
LocatingFRUsandCRUs
Thistopicintroducesthefollowingserviceparts:
•“MajorFRUsandCRUs”onpage50
•“LCDFRUsandCRUs”onpage52
48HardwareMaintenanceManual
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Notes:
•EachFRUisavailableforalltypesormodels,unlessotherwisespecied.
•CRUstatementforcustomers: 
Youcanresolvesomeproblemswithyourproductwithareplacementpartyoucaninstallyourself,calleda 
“CustomerReplaceableUnit”or“CRU.”SomeCRUsaredesignatedasself-serviceCRUsandothersare 
designatedasoptional-serviceCRUs.Installationofself-serviceCRUsisyourresponsibility.Foroptional-service
CRUs,youcaneitherinstalltheCRUyourselforyoucanrequestthataServiceProviderinstalltheCRUaccording 
tothewarrantyserviceforyourproduct.IfyouintendoninstallingtheCRU,LenovowillshiptheCRUtoyou.CRU
informationandreplacementinstructionsareshippedwithyourproductandareavailablefromLenovoatanytime 
uponrequest.Y oucanndalistofCRUsforyourproductinthisHardwareMaintenanceManual.Anelectronic 
versionofthismanualcanbefoundathttp://www.lenovo.com/support.ClickUserGuides&Manualsand 
thenfollowtheon-screeninstructionstondthemanualforyourproduct.Y oumightberequiredtoreturnthe 
defectiveCRU.Whenreturnisrequired:(1)returninstructions,aprepaidshippinglabel,andacontainerwillbe 
includedwiththereplacementCRU;and(2)youmightbechargedforthereplacementCRUifLenovodoesnot 
receivethedefectiveCRUwithinthirty(30)daysofyourreceiptofthereplacementCRU.SeeyourLenovoLimited 
Warrantydocumentationforfulldetails.
LenovocomputerscontainthefollowingtypesofCRUs: 
–Self-serviceCRUs:TheseCRUsunplugorareheldbynomorethantwoscrews.Examplesofthesetypes
ofCRUsincludetheacpoweradapter,powercord,battery,andharddiskdrive.Otherself-serviceCRUs 
dependingonproductdesignmightincludethememorymodule,wirelesscard,keyboard,andpalmrestwith 
ngerprintreaderandtouchpad.
–Optional-serviceCRUs:TheseCRUsareisolatedpartswithinthecomputerthatareconcealedbyanaccess
panelthatistypicallysecuredbymorethantwoscrews.Oncetheaccesspanelisremoved,thespecic 
CRUisvisible.
Chapter7.Locations49
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1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
23
22
MajorFRUsandCRUs
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Table8.MajorFRUsandCRUs
No.FRUdescription
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
Self-serviceCRUOptional-serviceCRU
LCDunit
NoNo
PowerbuttonsubcardNoNo
KeyboardbezelNoNo
Cardreader
NoNo
BackupbatteryY esNo
WirelessLANcardYesNo
BatterypackYesNo
RJ45subcardNoNo
DC-inconnector
Opticaldriveorblankbezel
I/OsubcardwithUSBconnectorandaudiojack
Smallbottomcover
NoNo
YesNo
NoNo
YesNo
LargebottomcoverYesNo
HarddiskdriveYesNo
Speakerassembly
NoNo
BasecoverassemblyNoNo
CPU
NoNo
MemorymoduleYesNo
Systemboardassembly
Thermalfan
NoNo
NoYes
ThermalpipesNoNo
DummycapNoNo
KeyboardNoYes
Chapter7.Locations51
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LCDFRUsandCRUs
52HardwareMaintenanceManual
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Table9.LCDFRUsandCRUs
No.FRUdescription
1
2
3
4
5
6
7
LCDbezel
HingesNoNo
WirelessantennaassemblyNoNo
IntegratedcameraassemblyNoNo
LCDcoverkit
LCDcablewithmicrophoneboard
LCDpanel
Self-serviceCRUOptional-serviceCRU
NoNo
NoNo
NoNo
NoNo
LookingupFRUinformation
FordetailedFRUinformation,includingpartnumbers,descriptions,andsubstitutionpartnumbers,goto 
http://www.lenovo.com/serviceparts-lookup.
Chapter7.Locations53
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54HardwareMaintenanceManual
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Chapter8.FRUreplacementnotices
CRUstatementforcustomers:
Youcanresolvesomeproblemswithyourproductwithareplacementpartyoucaninstallyourself,called 
a“CustomerReplaceableUnit”or“CRU.”SomeCRUsaredesignatedasself-serviceCRUsandothers 
aredesignatedasoptional-serviceCRUs.Installationofself-serviceCRUsisyourresponsibility.For
optional-serviceCRUs,youcaneitherinstalltheCRUyourselforyoucanrequestthataServiceProvider 
installtheCRUaccordingtothewarrantyserviceforyourproduct.IfyouintendoninstallingtheCRU,
LenovowillshiptheCRUtoyou.CRUinformationandreplacementinstructionsareshippedwithyour 
productandareavailablefromLenovoatanytimeuponrequest.Y oucanndalistofCRUsforyour 
productinthisHardwareMaintenanceManual.Anelectronicversionofthismanualcanbefoundat 
http://www.lenovo.com/support.ClickUserGuides&Manualsandthenfollowtheon-screeninstructions 
tondthemanualforyourproduct.YoumightberequiredtoreturnthedefectiveCRU.Whenreturn 
isrequired:(1)returninstructions,aprepaidshippinglabel,andacontainerwillbeincludedwiththe 
replacementCRU;and(2)youmightbechargedforthereplacementCRUifLenovodoesnotreceivethe 
defectiveCRUwithinthirty(30)daysofyourreceiptofthereplacementCRU.SeeyourLenovoLimited 
Warrantydocumentationforfulldetails.
Thischapterpresentsnoticesrelatedtoremovingandreplacingparts.Readthischaptercarefullybefore 
replacinganyFRU.
Screwnotices
Loosescrewscancauseareliabilityproblem.IntheLenovonotebookcomputer,thisproblemisaddressed 
withspecialnylon-coatedscrewsthathavethefollowingcharacteristics:
•Theymaintaintightconnections.
•Theydonoteasilycomeloose,evenwithshockorvibration.
•Theyarehardertotighten.
Dothefollowingwhenyouservicethecomputer:
•Keepthescrewkitinyourtoolbag.Forthepartnumberofthescrewkit,goto 
http://www.lenovo.com/serviceparts-lookup.
•Itisrecommendedtousenewscrews.
•Itisrecommendedtouseeachscrewonlyonce.
•Useatorquescrewdriverifyouhaveone.
Tightenscrewsasfollows:
•Plastictoplastic
Turnanadditionalangleof90degreesafterthescrewheadtouchesthesurfaceoftheplasticpart.
•Logiccardtoplastic
Turnanadditionalangleof180degreesafterthescrewheadtouchesthesurfaceofthelogiccard.
©CopyrightLenovo2012
55
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Notes:
•Makesurethatyouusethecorrectscrew.Itisrecommendedtousenewscrewsforreplacements.If 
youhaveatorquescrewdriver,tightenallscrewsrmlytothetorquespeciedinthescrewinformation 
tableforeachstep.
•Ensuretorquescrewdriversarecalibratedcorrectlyfollowingcountryspecications.
Retainingserialnumbers,MTM,UUID,andAssetID
Instructionsforretainingserialnumbers,MTM,UUID,orassetIDcanbefoundatthefollowingWebsite: 
http://support.lenovo.com
56HardwareMaintenanceManual
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Chapter9.RemovingorreplacingaFRU
ThischapterprovidesinstructionsonhowtoremoveorreplaceaFRU.
CRUstatementforcustomers:
Youcanresolvesomeproblemswithyourproductwithareplacementpartyoucaninstallyourself,called 
a“CustomerReplaceableUnit”or“CRU.”SomeCRUsaredesignatedasself-serviceCRUsandothers 
aredesignatedasoptional-serviceCRUs.Installationofself-serviceCRUsisyourresponsibility.For
optional-serviceCRUs,youcaneitherinstalltheCRUyourselforyoucanrequestthataServiceProvider 
installtheCRUaccordingtothewarrantyserviceforyourproduct.IfyouintendoninstallingtheCRU,
LenovowillshiptheCRUtoyou.CRUinformationandreplacementinstructionsareshippedwithyour 
productandareavailablefromLenovoatanytimeuponrequest.Y oucanndalistofCRUsforyour 
productinthisHardwareMaintenanceManual.Anelectronicversionofthismanualcanbefoundat 
http://www.lenovo.com/support.ClickUserGuides&Manualsandthenfollowtheon-screeninstructions 
tondthemanualforyourproduct.YoumightberequiredtoreturnthedefectiveCRU.Whenreturn 
isrequired:(1)returninstructions,aprepaidshippinglabel,andacontainerwillbeincludedwiththe 
replacementCRU;and(2)youmightbechargedforthereplacementCRUifLenovodoesnotreceivethe 
defectiveCRUwithinthirty(30)daysofyourreceiptofthereplacementCRU.SeeyourLenovoLimited 
Warrantydocumentationforfulldetails.
Generalguidelines
WhenremovingorreplacingaFRU,besuretoobservethefollowinggeneralguidelines:
1.Donottrytoserviceanycomputerunlessyouhavebeentrainedandcertied.Anuntrainedpersonruns 
theriskofdamagingparts.
2.BeforereplacinganyFRU,reviewChapter8“FRUreplacementnotices”onpage55.
3.BeginbyremovinganyFRUsthathavetoberemovedbeforereplacingthefailingFRU.Anysuch 
FRUsarelistedatthebeginningofeachFRUreplacementprocedure.Removethemintheorderin 
whichtheyarelisted.
4.FollowthecorrectsequenceinthestepsforremovingaFRU,asgiveninthedrawingsbythenumbers 
insquarecallouts.
5.Whenturningascrew,turnitinthedirectionasgivenbythearrowinthedrawing.
6.WhenremovingaFRU,moveitinthedirectionasgivenbythearrowinthedrawing.
7.ToputthenewFRUinplace,reversetheremovalprocedureandfollowanynotesthatpertainto 
replacement.Forinformationaboutconnectingandarranginginternalcables,seeChapter7“Locations” 
onpage47
8.WhenreplacingaFRU,usethecorrectscrew(s)asshowninthereplacementprocedure.
.
DANGER
BeforeremovinganyFRU,turnoffthecomputer ,unplugallpowercordsfromelectricaloutlets, 
removethebatterypack,andthendisconnectanyinterconnectingcables.
Attention:AfterreplacingaFRU,donotturnonthecomputeruntilyouhavemadesurethatallscrews,
springs,andothersmallpartsareinplaceandnonearelooseinsidethecomputer.Verifythisbyshaking 
thecomputergentlyandlisteningforrattlingsounds.Metallicpartsormetalakescancauseelectrical 
shortcircuits.
©CopyrightLenovo2012
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Attention:Thesystemboardissensitiveto,andcanbedamagedby,electrostaticdischarge.Before
touchingit,establishpersonalgroundingbytouchingagroundpointwithonehandorbyusingan 
electrostaticdischarge(ESD)strap.
BeforeservicingLenovoB430models
SomeLenovoB430modelsyouareservicingmighthavetheSIMcardthatthecustomerhasinstalled.Ifthe 
computeryouareservicinghastheSIMcardinstalled,removeitbeforeyoustarttheservicing.
ToremovetheSIMcard,youneedtoremovethebatterypackrst.See“1010Batterypack”onpage58.
Afteryounishtheservicing,makesurethatyouinsertthecardbackintotheslotrmly.
1010Batterypack
Importantnoticeforreplacingabatterypack:
•TheLenovoSolutionCenterprogramprovidesanautomaticbatterydiagnostictestthatdeterminesifthebattery 
packisdefective.AbatterypackFRUshouldnotbereplacedunlessthisdiagnostictestshowsthatthebatteryis 
defective.Theonlyexceptiontothisisifthebatterypackisphysicallydamagedoracustomerisreporting 
apossiblesafetyissue.
•IfLenovoSolutionCenterisnotinstalledinthecomputer,thecustomershoulddownloadthisprogrambeforea 
non-physicallydamagedbatterypackisreplaced.Notethataphysicallydamagedbatterypackisanon-warranty 
replacementpart.
Removalstepsofbatterypack
DANGER
Useonlytheauthorizedbatteryspeciedforyourcomputer.Anyotherbatterycouldigniteor 
explode.
58HardwareMaintenanceManual
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Unlockthebatterylatch1.Holdthebatterylockleverintheunlockedposition,andremovethebattery
pack2.
Wheninstalling:Installthebatterypackintheslot.Makesurethatthebatterylatchisinthelockedposition.
1020Largebottomcover
Foraccess,removethisFRU:
•“1010Batterypack”onpage58
Removalstepsoflargebottomcover
Note:Loosenthescrews1.
Chapter9.RemovingorreplacingaFRU59
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Wheninstalling:Attachthelargebottomcoverasshowninthefollowingillustration.
1030Smallbottomcover
Foraccess,removethisFRU:
•“1010Batterypack”onpage58
Removalstepsofsmallbottomcover
Note:Loosenthescrew1.
Wheninstalling:Attachthesmallbottomcoverasshowninthefollowingillustration.
1040Opticaldriveorblankbezel
Foraccess,removetheseFRUsinorder:
60HardwareMaintenanceManual
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•“1010Batterypack”onpage58
•“1020Largebottomcover”onpage59
Removalstepsofopticaldriveorblankbezel
Note:Yourmodelsmightlookslightlydifferentfromtheillustrationabove.
StepScrew(quantity)Color
1
M2×3mm,wafer-head,nylon-coated(1)
Note:Yourmodelsmightlookslightlydifferentfromtheillustrationabove.
1050Memorymodules
Torque
Black0.181Nm
(1.85kgf-cm)
Foraccess,removetheseFRUsinorder:
•“1010Batterypack”onpage58
•“1020Largebottomcover”onpage59
Chapter9.RemovingorreplacingaFRU61
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Removalstepsofmemorymodules
Note:Yourmodelmightlookslightlydifferentfromtheillustrationabove.
Wheninstalling:
Note:Ifonlyonememorymoduleistobeinstalledonthecomputeryouareservicing,thememorymodule
mustbeinstalledinSLOT-0(alowerslot),butnotinSLOT -1(bupperslot).
Insertthenotchedendofthememorymoduleintotheslot.Pressthememorymodulermly,andpivotit 
untilitsnapsintoplace.Makesurethatitisrmlyinstalledintheslotanddoesnotmoveeasily.
1060Harddiskdriveassembly
Foraccess,removetheseFRUsinorder:
•“1010Batterypack”onpage58
•“1020Largebottomcover”onpage59
Attention:
•Donotdropthedriveorapplyanyphysicalshocktoit.Thedriveissensitivetophysicalshock.Improper 
handlingcancausedamageandpermanentlossofdata.
•Beforeremovingthedrive,havetheusermakeabackupcopyofalltheinformationonitifpossible.
•Neverremovethedrivewhilethecomputerisoperatingorisinsuspendmode.
62HardwareMaintenanceManual
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Removalstepsofharddiskdriveassembly
Note:Yourmodelmightlookslightlydifferentfromtheillustrationabove.
StepScrew(quantity)Color
1
M2×3mm,wafer-head,nylon-coated(2)
Black0.181Nm
Torque
(1.85kgf-cm)
Wheninstalling:Makesurethattheharddiskdriveisattachedrmly.
Chapter9.RemovingorreplacingaFRU63
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Removalstepsofharddiskdrivebracket
StepScrew(quantity)Color
1
M3×3mm,wafer-head,nylon-coated(4)Silver
1070PCIExpressMiniCardforwirelessLAN
Foraccess,removetheseFRUsinorder:
•“1010Batterypack”onpage58
•“1020Largebottomcover”onpage59
Torque
0.392Nm 
(4kgf-cm)
64HardwareMaintenanceManual
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RemovalstepsofPCIExpressMiniCardforwirelessLAN
Instep1,unplugtheconnectorsbyusingtheantennaRFconnectorremovaltoolorpicktheconnectors 
withyourngersandgentlyunplugtheminthedirectionofthearrows.
Note:Yourmodelmightlookslightlydifferentfromtheillustrationabove.
StepScrew(quantity)Color
2
M2×3mm,wafer-head,nylon-coated(1)
Black0.181Nm
Torque
(1.85kgf-cm)
Wheninstalling:PlugthegraycableintothejackmarkedMAINorM,andtheblackcableintothejack 
markedAUXorAonthecard.
1080Backupbattery
Foraccess,removetheseFRUsinorder:
Chapter9.RemovingorreplacingaFRU65
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•“1010Batterypack”onpage58
•“1030Smallbottomcover”onpage60
Removalstepsofbackupbattery
DANGER
Useonlytheauthorizedbatteryspeciedforyourcomputer.Anyotherbatterycouldigniteor 
explode.
Wheninstalling:Makesurethattheconnectorisattachedrmly.
1090Thermalfan
Foraccess,removetheseFRUsinorder:
•“1010Batterypack”onpage58
•“1020Largebottomcover”onpage59
66HardwareMaintenanceManual
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Removalstepsofthermalfan
Note:Loosenthescrews2.
Note:Yourmodelmightlookslightlydifferentfromtheillustrationabove.
Wheninstalling:Makesurethattheconnectorisattachedrmlytothesystemboard.
Note:Yourmodelmightlookslightlydifferentfromtheillustrationabove.
Wheninstalling:Donotpressthetopofthefancoverandthefanhub.
1100Thermalpipes
Foraccess,removetheseFRUsinorder:
•“1010Batterypack”onpage58
•“1020Largebottomcover”onpage59
•“1090Thermalfan”onpage66
Removalstepsofthermalpipes
Loosenthescrews1inascendingalphabeticorderasillustrated.Whenattachingthethermalpipes,secure 
thescrewsinreverseorder.
Note:Differentmodelsmighthavedifferentnumbersofscrews.
Chapter9.RemovingorreplacingaFRU67
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Note:Yourmodelmightlookslightlydifferentfromtheillustrationabove.
Note:Yourmodelmightlookslightlydifferentfromtheillustrationabove.
Wheninstalling:Beforeyouattachthethermalpipestothecomputer,applythermalgrease,atanamount
of0.2grams,onthepartmarkedaasshowninthefollowingillustrations.Eithertoomuchortooless 
applicationofgreasecancauseathermalproblemduetoimperfectcontactwithacomponent.Y ouneedto 
peelthethinlmofffromtherubbersmarkedb.
Formodelswithadiscretethermalpipes
68HardwareMaintenanceManual
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Formodelswithanintegratedthermalpipes
1110Keyboard
Foraccess,removetheseFRUsinorder:
•“1010Batterypack”onpage58
•“1020Largebottomcover”onpage59
Chapter9.RemovingorreplacingaFRU69
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Removalstepsofkeyboard
Note:Yourmodelmightlookslightlydifferentfromtheillustrationabove.
Wheninstalling:Makesurethatthescrewsarefastenedandthekeyboardissecured.
StepScrew(quantity)Color
1
M2×8mm,wafer-head,nylon-coated(2)
Torque
Black0.181Nm
(1.85kgf-cm)
70HardwareMaintenanceManual
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Installationstepsofkeyboard
Toinstallthekeyboard,dothefollowing:
1.Attachtheconnectors.
Chapter9.RemovingorreplacingaFRU71
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2.Attachthekeyboardandensurethatthekeyboardedgesareundertheframe.
3.Tomakesurethatthefrontsideofthekeyboardishousedrmly,gentlypressthekeyswithyourthumbs 
andslidethekeyboardtowardyouuntilthekeyboardisinplace.
4.Securethekeyboardbytighteningthescrewsfromthebottomsideofthecomputer.
1120Keyboardbezelassembly,cardreader,touchpad,anddummycap
Foraccess,removetheseFRUsinorder:
•“1010Batterypack”onpage58
•“1020Largebottomcover”onpage59
•“1040Opticaldriveorblankbezel”onpage60
•“1060Harddiskdriveassembly”onpage62
•“1110Keyboard”onpage69
72HardwareMaintenanceManual
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Removalstepsofkeyboardbezelassembly
2
2
2
1
1
1
1
1
1
1
1
1
1
2
Note:Yourmodelmightlookslightlydifferentfromtheillustrationabove.
StepScrew(quantity)Color
1
M2×8mm,wafer-head,nylon-coated(10)
Black0.181Nm
Torque
(1.85kgf-cm)
2
M2×3mm,wafer-head,nylon-coated(4)
Black0.181Nm
(1.85kgf-cm)
StepScrew(quantity)Color
3
M2×5mm,wafer-head,nylon-coated(1)Silver
Torque
0.181Nm 
(1.85kgf-cm)
Chapter9.RemovingorreplacingaFRU73
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Wheninstalling:Makesurethattheconnectorsareattachedrmlytothesystemboard.
Instep
11,releasethekeyboardbezelfromtheframeusingaplasticprytoolasshowninthefollowing
illustration.
Removalstepsofcardreader
74HardwareMaintenanceManual
Page 81

StepScrew(quantity)Color
1
M2×3mm,wafer-head,nylon-coated(1)Silver
Removalstepsoftouchpad
Torque
0.181Nm 
(1.85kgf-cm)
Wheninstalling:Makesurethattheconnectorsareattachedrmlytothekeyboardbezelassembly.
Removalstepsofdummycap
Chapter9.RemovingorreplacingaFRU75
Page 82

StepScrew(quantity)Color
1
M2×3mm,wafer-head,nylon-coated(1)
Black0.181Nm
Torque
(1.85kgf-cm)
1130CPU
Foraccess,removetheseFRUsinorder:
•“1010Batterypack”onpage58
•“1020Largebottomcover”onpage59
•“1090Thermalfan”onpage66
•“1100Thermalpipes”onpage67
Attention:TheCPUisextremelysensitive.WhenyouservicetheCPU,avoidanykindofroughhandling.
RemovalstepsofCPU
Rotatetheheadofthescrewinthedirectionshownbythearrow1toreleasethelock;thenremovethe
2.
CPU
Wheninstalling:PlacetheCPUabovetheCPUsocket,andthenrotatetheheadofthescrewinthe 
directionshownbythearrow
3tosecuretheCPU.
76HardwareMaintenanceManual
Page 83

1140Systemboardassembly
Importantnoticesforhandlingthesystemboard:
Whenhandlingthesystemboard,bearthefollowinginmind:
•Thesystemboardhasanaccelerometer ,whichcanbebrokenifseveralthousandsofG-forcesareapplied.
Note:Droppingasystemboardfromaheightofaslittleas6inchessothatitfallsatonahardbenchcansubject 
theaccelerometertoasmuchas6,000G'sofshock.
•Becarefulnottodropthesystemboardonabenchtopthathasahardsurface,suchasmetal,wood,orcomposite.
•Ifasystemboardisdropped,besuretodocumentthedropinanyrejectreport,andreplacethesystemboard.
•Avoidroughhandlingofanykind.
•Ateverypointintheprocess,besurenottodroporstackthesystemboard.
•Ifyouputasystemboarddown,besuretoputitonlyonapaddedsurfacesuchasanESDmatoracorrugated 
conductivesurface.
Foraccess,removetheseFRUsinorder:
•“1010Batterypack”onpage58
•“1020Largebottomcover”onpage59
•“1030Smallbottomcover”onpage60
•“1040Opticaldriveorblankbezel”onpage60
•“1050Memorymodules”onpage61
•“1060Harddiskdriveassembly”onpage62
•“1070PCIExpressMiniCardforwirelessLAN”onpage64
•“1080Backupbattery”onpage65
•“1090Thermalfan”onpage66
•“1100Thermalpipes”onpage67
•“1110Keyboard”onpage69
•“1120Keyboardbezelassembly,cardreader,touchpad,anddummycap”onpage72
•“1130CPU”onpage76
Removalstepsofsystemboard
Attention:Thefollowingcomponentssolderedonthetopsideofthesystemboardareextremelysensitive.
Whenyouservicethesystemboard,avoidanykindofroughhandling.
aCPU 
bPlatformControllerHub(PCH) 
cGraphicsProcessingUnit(GPU)(discretegraphicscard)
Chapter9.RemovingorreplacingaFRU77
Page 84

Formodelswithadiscretethermalmodule
Formodelswithanintegratedthermalmodule
78HardwareMaintenanceManual
Page 85

Wheninstalling:Makesurethattheconnectorsareattachedrmlytothesystemboard.
StepScrew(quantity)Color
7
M2×5mm,wafer-head,nylon-coated(2)Silver
Torque
0.181Nm 
(1.85kgf-cm)
Chapter9.RemovingorreplacingaFRU79
Page 86

Wheninstalling:Makesurethattheconnectorisattachedrmlytothesystemboard.
1150Speakerassembly
Foraccess,removetheseFRUsinorder:
•“1010Batterypack”onpage58
•“1020Largebottomcover”onpage59
•“1030Smallbottomcover”onpage60
•“1040Opticaldriveorblankbezel”onpage60
•“1060Harddiskdriveassembly”onpage62
•“1070PCIExpressMiniCardforwirelessLAN”onpage64
•“1080Backupbattery”onpage65
•“1090Thermalfan”onpage66
•“1100Thermalpipes”onpage67
•“1110Keyboard”onpage69
•“1120Keyboardbezelassembly,cardreader,touchpad,anddummycap”onpage72
•“1140Systemboardassembly”onpage77
80HardwareMaintenanceManual
Page 87

Removalstepsofspeakerassembly
StepScrew(quantity)Color
1
M2×2mm,wafer-head,nylon-coated,bighead(3)
Torque
Black0.181Nm
(1.85kgf-cm)
Wheninstalling:Attachthespeakerassemblyandroutethecableasshowninthefollowinggure,and 
makesurethatthespeakerconnectorisattachedrmly.
Chapter9.RemovingorreplacingaFRU81
Page 88

1160Powerbuttonsubcard
Foraccess,removetheseFRUsinorder:
•“1010Batterypack”onpage58
•“1020Largebottomcover”onpage59
•“1040Opticaldriveorblankbezel”onpage60
•“1060Harddiskdriveassembly”onpage62
•“1110Keyboard”onpage69
•“1120Keyboardbezelassembly,cardreader,touchpad,anddummycap”onpage72
Removalstepsofpowerbuttonsubcard
StepScrew(quantity)Color
1
M2×3mm,wafer-head,nylon-coated(1)
1170I/OsubcardwithUSBconnectorandaudiojack
Foraccess,removetheseFRUsinorder:
•“1010Batterypack”onpage58
•“1020Largebottomcover”onpage59
•“1040Opticaldriveorblankbezel”onpage60
•“1060Harddiskdriveassembly”onpage62
•“1110Keyboard”onpage69
82HardwareMaintenanceManual
Torque
Black0.181Nm
(1.85kgf-cm)
Page 89

•“1120Keyboardbezelassembly,cardreader,touchpad,anddummycap”onpage72
RemovalstepsofI/OsubcardwithUSBconnectorandaudiojack
Wheninstalling:Makesurethattheconnectorisattachedrmlytothesystemboard.
StepScrew(quantity)Color
3
M2×5mm,wafer-head,nylon-coated(1)Silver
Torque
0.181Nm 
(1.85kgf-cm)
Chapter9.RemovingorreplacingaFRU83
Page 90

1180RJ45subcard
Foraccess,removetheseFRUsinorder:
•“1010Batterypack”onpage58
•“1020Largebottomcover”onpage59
•“1040Opticaldriveorblankbezel”onpage60
•“1060Harddiskdriveassembly”onpage62
•“1110Keyboard”onpage69
•“1120Keyboardbezelassembly,cardreader,touchpad,anddummycap”onpage72
84HardwareMaintenanceManual
Page 91

RemovalstepsofRJ45subcard
Wheninstalling:Makesurethattheconnectorisattachedrmlytothesystemboard.
StepScrew(quantity)Color
3
M2×5mm,wafer-head,nylon-coated(1)Silver
Torque
0.181Nm 
(1.85kgf-cm)
Chapter9.RemovingorreplacingaFRU85
Page 92

1190LCDunit
Foraccess,removetheseFRUsinorder:
•“1010Batterypack”onpage58
•“1020Largebottomcover”onpage59
•“1030Smallbottomcover”onpage60
•“1040Opticaldriveorblankbezel”onpage60
•“1060Harddiskdriveassembly”onpage62
•“1070PCIExpressMiniCardforwirelessLAN”onpage64
•“1110Keyboard”onpage69
•“1120Keyboardbezelassembly,cardreader,touchpad,anddummycap”onpage72
•“1180RJ45subcard”onpage84
RemovalstepsofLCDunit
Wheninstalling:Makesurethattheconnectorisattachedrmlytothesystemboard.
StepScrew(quantity)Color
2
86HardwareMaintenanceManual
M2.5×5mm,wafer-head,nylon-coated(5)
Black0.392Nm
Torque
(4kgf-cm)
Page 93

Instep3,releasethewirelessantennacablesfromthecableguides.
Chapter9.RemovingorreplacingaFRU87
Page 94

Instep5,releasewirelessantennacablesfromthecableguides.
88HardwareMaintenanceManual
Page 95

1200BasecoverassemblyandDC-inconnector
Foraccess,removetheseFRUsinorder:
•“1010Batterypack”onpage58
•“1020Largebottomcover”onpage59
•“1030Smallbottomcover”onpage60
•“1040Opticaldriveorblankbezel”onpage60
•“1060Harddiskdriveassembly”onpage62
•“1070PCIExpressMiniCardforwirelessLAN”onpage64
•“1080Backupbattery”onpage65
•“1090Thermalfan”onpage66
•“1100Thermalpipes”onpage67
•“1110Keyboard”onpage69
•“1120Keyboardbezelassembly,cardreader,touchpad,anddummycap”onpage72
•“1140Systemboardassembly”onpage77
•“1150Speakerassembly”onpage80
•“1160Powerbuttonsubcard”onpage82
•“1170I/OsubcardwithUSBconnectorandaudiojack”onpage82
•“1180RJ45subcard”onpage84
•“1190LCDunit”onpage86
RemovalstepsofbasecoverassemblyandDC-inconnector
Applyinglabelstothebasecover
ThenewbasecoverFRUisshippedwithakitcontaininglabelsofseveralkinds.
Thefollowingillustrationshowsthecorrectlocationofeachlabel.
Chapter9.RemovingorreplacingaFRU89
Page 96

IftheWindowsCerticateofAuthentication(COA)label7isattachedtoapartthatisreplaced,returnthe 
oldpartwiththelabelattachedtothecustomer,orprovidealettertothecustomerstatingwhatthelabel 
wasoriginallyonthecomputerandwhatthelabelpartnumber,serialnumber,andproductkeywere.
Whenyoureplacethebasecover,applythefollowinglabels:
3Serialnumberlabel
Thefollowinglabelsneedtobepeeledofffromtheoldbasecover,andneedtobeadheredtothenew 
basecover.
1GEOlabel
2GEOlabel9BrazilANATELlabelfor3G
4WirelessWANMAClabel
5Ratinglabel
6JapanwarningUSbatterylabel
8Assettag
10BrazilANATELlabelforBluetooth
11BrazilANATELlabelforwirelessLANcard
12Harddiskdrivewarrantylabel
2010LCDbezelassembly
Foraccess,removetheseFRUsinorder:
•“1010Batterypack”onpage58
•“1020Largebottomcover”onpage59
•“1030Smallbottomcover”onpage60
•“1040Opticaldriveorblankbezel”onpage60
•“1060Harddiskdriveassembly”onpage62
•“1070PCIExpressMiniCardforwirelessLAN”onpage64
•“1110Keyboard”onpage69
•“1120Keyboardbezelassembly,cardreader,touchpad,anddummycap”onpage72
•“1180RJ45subcard”onpage84
•“1190LCDunit”onpage86
90HardwareMaintenanceManual
Page 97

RemovalstepsofLCDbezelassembly
StepScrewcapScrew(quantity)Color
1
M2×4.5mm,wafer-head,nylon-coated(4)Silver
Torque
0.392Nm 
(4kgf-cm)
Wheninstalling:Makesurethatallthelatchesareattachedrmly.Thensecurethebezelwiththescrews.
2020LCDpanelandhinges
Foraccess,removetheseFRUsinorder:
•“1010Batterypack”onpage58
•“1020Largebottomcover”onpage59
•“1030Smallbottomcover”onpage60
Chapter9.RemovingorreplacingaFRU91
Page 98

•“1040Opticaldriveorblankbezel”onpage60
•“1060Harddiskdriveassembly”onpage62
•“1070PCIExpressMiniCardforwirelessLAN”onpage64
•“1110Keyboard”onpage69
•“1120Keyboardbezelassembly,cardreader,touchpad,anddummycap”onpage72
•“1180RJ45subcard”onpage84
•“1190LCDunit”onpage86
•“2010LCDbezelassembly”onpage90
RemovalstepsofLCDpanelandhinges
StepScrew(quantity)Color
1
M2.5×4mm,wafer-head,nylon-coated(4)
Black0.294Nm
Torque
(3kgf-cm)
92HardwareMaintenanceManual
Page 99

Wheninstalling:MakesurethattheLCDconnectorisattachedrmly.
Removalstepsofhinges
StepScrew(quantity)Color
1
M2×3mm,wafer-head,nylon-coated,smallhead(6)
Black0.181Nm
Torque
(1.85kgf-cm)
2030IntegratedcameraandLCDcablewithmicrophoneboard
Foraccess,removetheseFRUsinorder:
•“1010Batterypack”onpage58
•“1020Largebottomcover”onpage59
•“1030Smallbottomcover”onpage60
•“1040Opticaldriveorblankbezel”onpage60
•“1060Harddiskdriveassembly”onpage62
•“1070PCIExpressMiniCardforwirelessLAN”onpage64
•“1110Keyboard”onpage69
•“1120Keyboardbezelassembly,cardreader,touchpad,anddummycap”onpage72
•“1180RJ45subcard”onpage84
•“1190LCDunit”onpage86
Chapter9.RemovingorreplacingaFRU93
Page 100

•“2010LCDbezelassembly”onpage90
•“2020LCDpanelandhinges”onpage91
Removalstepsofintegratedcamera
StepScrew(quantity)Color
2
M2×3mm,wafer-head,nylon-coated,smallhead(1)
Wheninstalling:Makesurethattheconnectorisattachedrmly.
Torque
Black0.181Nm
(1.85kgf-cm)
94HardwareMaintenanceManual