HardwareMaintenanceManualThinkPadT540p,W540,andW541
–Whenworkingonadouble-insulatedorbattery-operatedsystem,useanESDcommongroundorreferencepoint.Y oucanusecoaxorconnector-outsideshellsonthesesystems.–Us
Applyinglabelstothebasecover:ThenewbasecoverFRUisshippedwithakitcontaininglabelsofseveralkinds.Applythoselabelswhenyoureplacethebasecover.Forthelabels
RemovalstepsoftheLCDfrontbezel11111111112Wheninstalling:Ensurethatallthelatchesareattachedfirmly.2020LCDpanel,hinges,andLCDcableForaccess,removetheseFR
6.Whentheinitialcalibrationisfinished,adialogboxisdisplayed.ClickOKtoexitthePanelReplacementUtilityprogram.Important:Ifthecomputerisprotectedbyaharddis
Wheninstalling:EnsurethattheLCDconnectorisattachedfirmly.Removalstepsofthehinges1111111111222233StepScrew(quantity)ColorTorque2M2.5×3.5mm,flat-head,nylo
RemovalstepsoftheLCDcable11 1FormodelswithwedgeLCDRemovalstepsoftheLCDpanel,thehinges,andtheLCDcable111111111198HardwareMaintenanceManual
2222223StepScrew(quantity)ColorTorque2M2.5×3.5mm,flat-head,nylon-coated(6)Black0.392Nm(4.0kgf-cm)444455StepScrew(quantity)ColorTorque4M2×3mm,flat-head,n
67Wheninstalling:EnsurethattheLCDconnectorisattachedfirmly.2030Camera-and-microphonecardandcamera-and-microphonecableForaccess,removetheseFRUs:•“1010Ba
Wheninstalling:Ensurethattheconnectorisattachedfirmly.Removalstepsofthecamera-and-microphonecable2213333332040AntennakitandLCDrearcoverassemblyForacces
RemovalstepsoftheantennakitandLCDrearcoverassembly1 111222222Cablerouting:Whenyouinstalltheantennakit,routethecablesasshowninthefollowingillustration.
ba c dAntennalocationaWirelessLANauxiliaryantenna(black)bWirelessWANauxiliaryantenna(blue)cWirelessWANmainantenna(red)dWirelessLANmainantenna(grey)Cha
DANGERDANGERDANGERDANGERDANGERChapter1.Safetyinformation5
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AppendixA.NoticesLenovomaynotoffertheproducts,services,orfeaturesdiscussedinthisdocumentinallcountries.ConsultyourlocalLenovorepresentativeforinformat
ElectronicemissionsnoticesForelectronicemissioninformationonClassBdigitaldevices,refertothecorrespondinginformationintheUserGuide.EUcontact:Lenovo,Ein
AppendixB.AbbreviationtableThefollowingtablelistsallabbreviationsusedinthismanual.AbbreviationTermBGABallGridArrayCMOSComplementaryMetalOxideSemicondu
108HardwareMaintenanceManual
PartNumber:SP40A26003_02PrintedinChina(1P)P/N:SP40A26003_02*1PSP40A26003_02*
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PERIGOPERIGOPERIGOPERIGOChapter1.Safetyinformation7
PERIGOPERIGOPERIGOPERIGODANGER8HardwareMaintenanceManual
DANGERDANGERDANGERDANGERDANGERDANGERChapter1.Safetyinformation9
DANGERVORSICHTVORSICHTVORSICHTVORSICHT10HardwareMaintenanceManual
VORSICHTVORSICHTVORSICHTVORSICHTChapter1.Safetyinformation11
12HardwareMaintenanceManual
Chapter1.Safetyinformation13
Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformationunderAppendixA“Notices”onpage105.ThirdEdition(November2014)©Co
14HardwareMaintenanceManual
Chapter1.Safetyinformation15
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Chapter1.Safetyinformation17
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Chapter2.ImportantserviceinformationThischapterintroducesfollowingimportantserviceinformationthatappliestoallmachinetypessupportedbythismanual:•“Strat
ImportantnoticeforreplacingasystemboardSomecomponentsmountedonasystemboardareverysensitive.Improperhandlingofasystemboardcancausedamagetothosecomponen
3.ClickCheckWarrantyStatus.4.OntheWarrantyStatusLookuppage,clickPartsLookup.5.T ypeyourmachinetypeandserialnumber,andthenclickSubmit.eSupportalsocanbe
22HardwareMaintenanceManual
Chapter3.GeneralcheckoutThischapterintroducesfollowinginformation:•“Whattodofirst”onpage23•“Checkoutguide”onpage24–“LenovoSolutionCenter”onpage24–“Quic
ContentsAboutthismanual...iiiChapter1.Safetyinformation...1Generalsafety...1Electricalsafety...1Safetyinspectiongu
Beforecheckingproblemswiththecomputer,determinewhetherthedamageiscoveredunderthewarrantybyreferringtothefollowinglist:Thefollowingarenotcoveredunderwa
Thequicktestprogramsareapplicableonthefollowingoperatingsystems:•Microsoft®Windows®8.1•MicrosoftWindows8•MicrosoftWindows7•MicrosoftWindowsXP•Microsof
youtotestcomputermemoryandinternalstoragedevices,viewsysteminformation,andcheckandrecovertheinternalstoragedevices.Tousethebootablediagnosticprograms,
CheckingtheacpoweradapterYouareherebecausethecomputerfailsonlywhentheacpoweradapterisused.•Ifthepowerproblemoccursonlywhenthedockingstationortheportre
Checkingthecoin-cellbatteryTocheckthecoin-cellbattery,dothefollowing:1.Removethebatterypack.See“1010Batterypack”onpage58.2.Removethecoin-cellbattery.S
Chapter4.RelatedserviceinformationThischapterpresentsfollowinginformation:•“RestoringthefactorycontentsbyusingtheRecoveryDiscSet”onpage29•“UsingtheWin
4.SelectyourlanguageandclickNext.5.Readthelicense.Ifyouagreewiththetermsandconditions,selectIacceptthesetermsandconditionsandthenclickNext.Ifyoudonota
Moveyourpointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.ClickSettings➙ChangePCsettings➙Updateandrecovery➙Recovery.2.IntheRefres
UsingtheWindowsrecoveryenvironmentTheWindowsrecoveryenvironmentonyourcomputeriscapableofoperatingindependentlyfromtheWindows8orWindows8.1operatingsyst
Attention:Ifyoudeletetherecoverypartitiononyourcomputer,dokeeptherecoverymediainasafeplace.TheWindowsrecoveryimagewillnotbestoredinyourcomputeranymore
Beforeservicingthecomputer...58RemovingtheSIMcard...581010Batterypack...581020ExpressCardreaderordummyExpressCard...5
Attention:Iftheuserharddiskpasswordhasbeenforgotten,checkwhetheramasterharddiskpasswordhasbeenset.Ifithas,itcanbeusedforaccesstotheharddiskdrive.Ifnom
systembacktooperationalstatus,theonlyLenovoandLenovo-authorizedservicesolutionwouldbetoreplacetheharddiskdriveorsolid-statedrivewithascheduledfee.Tore
HibernationmodeInhibernationmode,thefollowingoccurs:•Thesystemstatus,RAM,VRAM,andsetupdataarestoredontheharddiskdriveorsolid-statedrive.•Thesystemispo
NumericerrorcodesTable2.NumericerrorcodesSymptomorerrorFRUoraction,insequence0177BadSVPdata,stopPOSTtask—ThechecksumofthesupervisorpasswordintheEEPROM
Table2.Numericerrorcodes(continued)SymptomorerrorFRUoraction,insequence2200MachineTypeandSerialNumberareinvalid.Replacethesystemboard.2201MachineUUIDi
No-beepsymptomsTable5.No-beepsymptomsSymptomorerrorFRUoraction,insequenceNobeep,power-onindicatoron,LCDblank,andnoPOST.1.Ensurethateveryconnectoriscon
2.Ifnoerrorisdetected,donotreplaceanyFRUs.3.Ifanyerrorisdetected,replacetheFRUshownbytheFRUcode.Rerunthetesttoverifythatnomoreerrorsexist.Undetermined
Chapter5.StatusindicatorsThischapterpresentsthestatusindicatorsthatshowthestatusofthecomputer.324156Table7.StatusindicatorsIndicatorMeaning1FnLockindi
Table7.Statusindicators(continued)IndicatorMeaning4CamerastatusindicatorOn:Thecameraisinuse.56SystemstatusindicatorBlinkingthreetimes:Thecomputerisini
Chapter6.FunctionkeysThefollowingtabledescribesthefunctionsoffunctionkeysandkeycombinations.Table8.FunctionkeysFunctionkeyandkeycombinationDescription
AboutthismanualThismanualcontainsserviceandreferenceinformationforthefollowingThinkPad®products.ThinkPadT540pMachineTypes(MT)20BEand20BFThinkPadW540MT
Table8.Functionkeys(continued)FunctionkeyandkeycombinationDescription+PressFn+EsctoenableordisabletheFnLockfunctionandswitchbetweendefaultmodeandlegac
Chapter7.LocationsThischapterintroducesthelocationsofthehardwarecomponentsonyourcomputer.Locatingcomputercontrols,connectors,andindicatorsThistopicint
Rearview124567891031Ethernetconnector6Always-OnUSBconnector2acpowerconnector7USB3.0connector3Fanlouvers8ExpressCardslot(onsomemodels)4MiniDisplayPort®
LocatingFRUsandCRUsThistopicintroducesthefollowingserviceparts:•“MajorFRUs”onpage48•“LCDFRUs”onpage50•“MiscellaneouspartsandotherFRUs”onpage51Notes:•E
MajorFRUs2324252622151617181921201524367811910121314Table9.MajorFRUsNo.FRUdescriptionsSelf-serviceCRUOptional-serviceCRU1LCDunitNoNo2NFCcardNoNo3Keybo
Table9.MajorFRUs(continued)No.FRUdescriptionsSelf-serviceCRUOptional-serviceCRU8M.2solid-statedriveNoNo9WirelessLANcardYesNo10Coin-cellbatteryYesNo11U
LCDFRUs2728212223242526Table10.LCDFRUsNo.FRUdescriptionsSelf-serviceCRUOptional-serviceCRU1LCDfrontbezelNoNo2LCDpanelNoNo3HingesNoNo4AntennakitNoNo5Ca
MiscellaneouspartsandotherFRUsTable11.MiscellaneouspartsFRUdescriptionsSelf-serviceCRUOptional-serviceCRUScrewkit•M2×3mm(silver),flat-head(300)•M2×7mm(
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Chapter8.FRUreplacementnoticesThischapterpresentsnoticesrelatedtoremovingandreplacingparts.ReadthischaptercarefullybeforereplacinganyFRU.CRUstatementf
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180degreesmore(Cross-section)Notes:•Ensurethatyouusethecorrectscrew.Itisrecommendedtousenewscrewsforreplacements.Ifyouhaveatorquescrewdriver,tighten
2.Whenthelogoisdisplayed,pressEsc.TheThinkPadConfigInformationUpdateUtilityinterfaceisdisplayed.3.T ype1underEntertheactiondesired,thenpressEnter.TheTh
1.InsertthelatestversionofLENOVOThinkPadHardwareMaintenanceDisketteorMaintenanceKey,andthenrestartthecomputer.2.Fromthemainmenu,select6.SetECAInformat
Chapter9.RemovingorreplacingaFRUThischapterprovidesinstructionsonhowtoremoveorreplaceaFRU.CRUstatementforcustomers:Youcanresolvesomeproblemswithyourpr
CommonservicetoolsBelowisthelistofcommonservicetoolsthatyoumightneedwhileservicingthecomputer.•Torx#T8•Flat-headscrewdriversize#2.5mm•Phillipsscrewdri
thatthebatteryisdefective.Theonlyexceptiontothisisifthebatterypackisphysicallydamagedoracustomerisreportingapossiblesafetyissue.IftheLenovoSolutionCen
RemovalstepsoftheExpressCardreaderordummyExpressCard121030LargebottomdoorForaccess,removethisFRU:•“1010Batterypack”onpage58Removalstepsofthelargebotto
•Neverremovethedrivewhilethesystemisoperatingorinsuspendmode.Removalstepsoftheharddiskdriveorsolid-statedriveRemovethescrew1.1StepScrew(quantity)Color
1StepScrew(quantity)ColorTorque1M2×3mm,flat-head,nylon-coated(1)Silver0.181Nm(1.85kgf-cm)231060MemorymoduleForaccess,removetheseFRUs:•“1010Batterypack”
Removalstepsofthememorymodule112Wheninstalling:Insertthenotchedendofthememorymoduleintothememoryslot.Pressthememorymoduleinfirmly,andpivotitdownwardunt
Chapter1.SafetyinformationThischapterpresentsfollowingsafetyinformationthatyouneedtobefamiliarwithbeforeyouserviceaThinkPadnotebookcomputer.•“Generals
Note:Underthesmallbottomdoor,thereisatamperdetectionswitch.WhenyouservicethewirelessLANcard,thewirelessWANcardortheM.2solid-statedrive,andthecoin-cell
3Wheninstalling:PlugthegraycableintotheconnectorlabeledMAINor1onthecard;andplugtheblackcableintotheconnectorlabeledAUXor2onthecard.1090WirelessWANcard
RemovalstepsofthewirelessWANcardDetachtheconnectors,andthenremovethescrew2.211StepScrew(quantity)ColorTorque2M2×3mm,flat-head,nylon-coated(1)Black0.181
RemovalstepsoftheM.2solid-statedriveRemovethescrew1.211StepScrew(quantity)ColorTorque2M2×3mm,flat-head,nylon-coated(1)Black0.181Nm(1.85kgf-cm)31100Coin
DANGERUseonlytheauthorizedbatteryspecifiedforyourcomputer.Anyotherbatterycouldigniteorexplode.Removalstepsofthecoin-cellbattery12Wheninstalling:Ensuret
Thescrewssecuringthekeyboardarebeneaththekeyboardframe.Torevealthescrewheadsbeneaththeframe,usetheflatendofthemulti-toolintheshippingpackageofthenewkey
345678InstallationstepsofkeyboardAttachtheconnectorsandthenturnoverthekeyboard.4312570HardwareMaintenanceManual
Putthekeyboardbackintoplace.Ensurethatthefrontedgeofthekeyboardisundertheframeofthekeyboardbezel.66Revealthescrewheadsbyslidingthekeyboardframeforward
8Slidethekeyboardframebackwardby2.5mm(0.1inch)withtheflatendofthekeyboardmulti-tooltohidethelatchesofthekeyboardframeunderthekeyboardbezel.Note:Donotpr
101120KeyboardbezelassemblyForaccess,removetheseFRUs:•“1010Batterypack”onpage58•“1030Largebottomdoor”onpage60•“1110Keyboard”onpage68Important:Readthef
•Findtheroomemergencypower-off(EPO)switch,disconnectingswitch,orelectricaloutlet.Ifanelectricalaccidentoccurs,youcanthenoperatetheswitchorunplugthepow
7.Whentheinitialcalibrationcompletes,adialogboxisdisplayed.ClickOKtoexittheSensorReplacementUtilityprogram.RemovalstepsofthekeyboardbezelassemblyRemov
4444444544444768910Wheninstalling:Ensurethattheconnectorsareattachedfirmly.1130Powerbuttoncard,colorsensor,NFCcard,fingerprintreader,andtrackpadForacces
Removalstepsofthepowerbuttoncard112StepScrew(quantity)ColorTorque1M2×3mm,flat-head,nylon-coated(2)Silver0.181Nm(1.85kgf-cm)Removalstepsofthecolorsensor
4.IftheSensorReplacementUtilityprogramcannotbelaunchedsuccessfully,restorethecolorsensorcalibrationprofileECCM2SensorData.dat,whichyouhavebackedupinste
StepScrew(quantity)ColorTorque3M2×7mm,flat-head,nylon-coated(2)Silver0.181Nm(1.85kgf-cm)RemovalstepsoftheNFCcard123Wheninstalling:Ensurethattheconnecto
Removalstepsofthefingerprintreader121StepScrew(quantity)ColorTorque1M2×3mm,flat-head,nylon-coated(2)Silver0.181Nm(1.85kgf-cm)5433Wheninstalling:Ensureth
Removalstepsofthetrackpad2133333StepScrew(quantity)ColorTorque3M2×2mm,flat-head,nylon-coated(5)Black0.181Nm(1.85kgf-cm)Wheninstalling:Ensurethattheconn
Removalstepsofthesmartcardreader12333444StepScrew(quantity)ColorTorque3M2×3mm,flat-head,nylon-coated(3)Silver0.181Nm(1.85kgf-cm)Wheninstalling:Ensureth
Removalstepsofthedummysmartcard1112StepScrew(quantity)ColorTorque1M2×3mm,flat-head,nylon-coated(3)Silver0.181Nm(1.85kgf-cm)1150LCDunitForaccess,removet
33StepScrew(quantity)ColorTorque3M2.5×6mm,flat-head,nylon-coated(2)Black0.392Nm(4.0kgf-cm)4 4444Wheninstalling:Ensurethattheconnectorsareattachedfirmly.
Considertheseconditionsandthesafetyhazardstheypresent:•Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatalelectric
56789810 1010101010101010Wheninstalling:Ensurethatyouroutethecablesfirmlyandtapeupintheproperpositions.Attention:Whenyouroutethecables,ensurethattheyar
811111160MagnesiumstructureframeForaccess,removetheseFRUsinorder:•“1010Batterypack”onpage58•“1030Largebottomdoor”onpage60•“1110Keyboard”onpage68•“1120
34432223338StepScrew(quantity)ColorTorque2M2×3mm,flat-head,nylon-coated(3)Silver0.181Nm(1.85kgf-cm)3M2×7mm,flat-head,nylon-coated(5)Silver0.181Nm(1.85kg
Removalstepsofthespeakerassembly11118StepScrew(quantity)ColorTorque1M2.5×2.5mm,flat-head,nylon-coated(4)Black0.392Nm(4.0kgf-cm)228Wheninstalling:Ensure
Removalstepsofthedc-incableassembly1Wheninstalling:Ensurethattheconnectorisattachedfirmly.23458StepScrew(quantity)ColorTorque2M2×3mm,flat-head,nylon-coa
•“1160Magnesiumstructureframe”onpage85RemovalstepsofthethermalfanassemblyForintegrated-graphicsmodels:Detachthethermalfanassemblyconnector,andthenloos
contactwithacomponent.Forthenewthermalfanassembly,youmustpeelthethinfilmofffromtherubbers.31200USBcardForaccess,removetheseFRUs:•“1010Batterypack”onpag
•“1110Keyboard”onpage68•“1120Keyboardbezelassembly”onpage73•“1150LCDunit”onpage82•“1160Magnesiumstructureframe”onpage85•“1190Thermalfanassembly”onpage
Note:Droppingasystemboardfromaheightofaslittleas6inchessothatitfallsflatonahardbenchcansubjecttheaccelerometertoasmuchas6000G'sofshock.•Becarefuln
dRemovalstepsofthesystemboardandbasecover1Wheninstalling:Ensurethattheconnectorisattachedfirmly.22433StepScrew(quantity)ColorTorque3M2×3mm,flat-head,nyl
R