Lenovo T550 Technical Information

HardwareMaintenanceManualThinkPadT550andW550s

–Whenworkingonadouble-insulatedorbattery-operatedsystem,useanESDcommongroundorreferencepoint.Y oucanusecoaxorconnector-outsideshellsonthesesystems.–Us

876Wheninstalling:Ensurethattheconnectorisattachedfirmly.3030HingesForaccess,removetheseFRUsinorder:•“1010Removablebattery”onpage57•“1020Basecoverassem

StepScrew(quantity)ColorTorque1M2.5×L2.5mm,big-head,nylon-coated(4)Silver0.294Nm(3kgf-cm)223040Camera/microphonecardForaccess,removetheseFRUsinorder:•

23050TouchsensorcardForaccess,removetheseFRUsinorder:•“1010Removablebattery”onpage57•“1020Basecoverassembly”onpage57•“1040Storage-drivestabilizerbar,i

Removalstepsofthetouchsensorcard123Wheninstalling:Ensurethatalltheconnectorsareattachedfirmly.43060LEDcableassemblyForaccess,removetheseFRUsinorder:•“1

RemovalstepoftheLEDcableassembly1122223333070AntennakitandLCDrearcoverassemblyRemovalstepsoftheantennakitForaccess,removetheseFRUsinorder:•“1010Remova

1111222222223333Chapter7.RemovingorreplacingaFRU99

Cablerouting:Whenyouinstalltheantennakit,routethecablesasshowninthefollowingillustration.Ensurethatthecablesarenotsubjecttoanytension.Tensioncouldcaus

aWLANauxiliaryantenna(black)bWWANauxiliaryantenna(blue)cWWANmainantenna(orange)dWLANmainantenna(gray)RemovalstepsoftheLCDrearcoverassemblyToreplacethe

102HardwareMaintenanceManual

AppendixA.NoticesLenovomaynotoffertheproducts,services,orfeaturesdiscussedinthisdocumentinallcountries.ConsultyourlocalLenovorepresentativeforinformat

DANGERDANGERDANGERDANGERDANGERChapter1.Safetyinformation5

ElectronicemissionsnoticesForelectronicemissioninformationonClassBdigitaldevices,refertothecorrespondinginformationintheUserGuide.TrademarksThefollowi

PartNumber:SP40G55010Printedin(1P)P/N:SP40G55010*1PSP40G55010*

6HardwareMaintenanceManual

PERIGOPERIGOPERIGOPERIGOChapter1.Safetyinformation7

PERIGOPERIGOPERIGOPERIGODANGER8HardwareMaintenanceManual

DANGERDANGERDANGERDANGERDANGERDANGERChapter1.Safetyinformation9

DANGERVORSICHTVORSICHTVORSICHTVORSICHT10HardwareMaintenanceManual

VORSICHTVORSICHTVORSICHTVORSICHTChapter1.Safetyinformation11

12HardwareMaintenanceManual

Chapter1.Safetyinformation13

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformationunderAppendixA“Notices”onpage103.FirstEdition(January2015)©Cop

14HardwareMaintenanceManual

Chapter1.Safetyinformation15

16HardwareMaintenanceManual

Chapter1.Safetyinformation17

18HardwareMaintenanceManual

Chapter2.ImportantserviceinformationThischapterintroducesfollowingimportantserviceinformationthatappliestoallmachinetypessupportedbythismanual:•“Strat

Attention:Thedrivestartupsequenceinthecomputeryouareservicingmayhavebeenchanged.Beextremelycarefulduringwriteoperationssuchascopying,saving,orformatti

1.Gotohttp://support.lenovo.com/ibasepartslookup.2.TypetheMachineTypeandSerialNumberinthecorrespondingfields.3.ClickSubmit.eSupportalsocanbeusedtoviewt

22HardwareMaintenanceManual

Chapter3.GeneralcheckoutThischapterintroducesfollowinginformation:•“Whattodofirst”onpage23•“Checkoutguide”onpage24–“LenovoSolutionCenter”onpage24–“Quic

ContentsAboutthismanual...iiiChapter1.Safetyinformation...1Generalsafety...1Electricalsafety...1Safetyinspectiongu

Beforecheckingproblemswiththecomputer,determinewhetherthedamageiscoveredunderthewarrantybyreferringtothefollowinglist:Thefollowingarenotcoveredunderwa

1.GototheC:\SWTOOLS\ldiagdirectory.2.Double-clickthegui_lsc_lite.exefile.3.WhentheUserAccountControlwindowopens,clickYes.4.Selectthedeviceclasstobetest

1.Turnonthecomputer.Ifthecomputercannotbeturnedon,goto“Powersystemcheckout”onpage26,andcheckthepowersources.Ifanerrorcodeisdisplayed,goto“Symptom-to-F

Note:Noisefromtheacpoweradapterdoesnotalwaysindicateadefect.CheckingthebatteryandoperationalchargingCheckingthebatteryThissystemsupportsonlybatteriess

28HardwareMaintenanceManual

Chapter4.RelatedserviceinformationThischapterpresentsfollowinginformation:•“RestoringthefactorycontentsbyusingtheproductRecoveryDiscSet”onpage29•“Usin

9.Whentherecoveryprocesscompletes,theWelcometoMicrosoftWindowsscreenisdisplayed.FollowtheinstructionsonthescreentocompletetheWindowssetup.10.Afteryouh

4.Followtheinstructionsonthescreentoresetyourcomputertothefactorydefaultsettings.UsingtheadvancedstartupoptionsWiththeadvancedstartupoptions,youcancha

6.ClickCreateintheRecoveryDrivewindow.Thecreationoftherecoverymediastarts.7.Whenthecreationoftherecoverymediafinishes,dooneofthefollowing:•Tokeeptherec

Note:Therearetwomodesfortheharddiskpassword:UseronlyandMaster+User.TheMaster+Usermoderequirestwoharddiskpasswords;thesystemadministratorentersbothinth

1040Storage-drivestabilizerbar,internalstoragedrive,harddiskdrivecable,andharddiskdrivebracket...641050Memorymodule...661060WirelessLA

HowtoremovetheharddiskpasswordAttention:IfUseronlymodeisselectedandtheuserharddiskpasswordhasbeenforgottenandcannotbemadeavailabletotheservicetechnici

•ForWindows8.1:Movethepointertothebottomrightcornerofthescreentobringupthecharms.ThenclickSettings➙Power➙Sleep.Incertaincircumstances,thecomputergoesi

Note:DotheFRUreplacementorotheractionsinthesequenceshowninthecolumnheaded“FRUoraction,insequence.”IfreplacingaFRUdoesnotsolvetheproblem,puttheoriginal

Table1.Numericerrorcodes(continued)SymptomorerrorFRUoraction,insequence2100DetectionerroronHDD0(MainHDD)1.Reseattheharddiskdrive.2.Mainharddiskdrive3.

No-beepsymptomsTable4.No-beepsymptomsSymptomorerrorFRUoraction,insequenceNobeep,system-statusindicatoron,LCDblank,andnoPOST.1.Ensurethateveryconnector

3.Ifanyerrorisdetected,replacetheFRUshownbytheFRUcode.Rerunthetesttoverifythatnomoreerrorsexist.UndeterminedproblemsIfthediagnostictestsdidnotidentify

40HardwareMaintenanceManual

Chapter5.LocationsThischapterintroducesthelocationsofthehardwarecomponentsonyourcomputer.Locatingcomputercontrols,connectors,andindicatorsThistopicint

Left-sideview812345671Smart-card-readerslot(availableonsomemodels)2Ethernetconnector3Media-card-readerslot4Audioconnector5VGAconnector6USB3.0connector

LocatingFRUsandCRUsThistopicintroducesthefollowingserviceparts:•“MajorFRUs”onpage44•“LCDFRUs”onpage45•“MiscellaneouspartsandotherFRUs”onpage48Notes:•E

AboutthismanualThismanualcontainsserviceandreferenceinformationforthefollowingThinkPad®products.ThinkPadT550Machinetypes(MT):20CJand20CKThinkPadW550sM

MajorFRUs1618172625212223241920124568910111213141573No.DescriptionsSelf-serviceCRUOptional-serviceCRU1LCDunit(see“LCDFRUs”onpage45)2Keyboardbezelassem

No.DescriptionsSelf-serviceCRUOptional-serviceCRU6MemorymoduleYesNo7Fingerprintreader*NoNo8Fingerprintreaderbracket*NoNo9Internalstoragedrive(harddisk

912365478No.DescriptionsSelf-serviceCRUOptional-serviceCRU1LCDbezelassemblyNoNo2Camera/microphonecardNoNo3LCDpanelwithouttouchfunctionNoNo46HardwareMa

No.DescriptionsSelf-serviceCRUOptional-serviceCRU4AntennakitordummyantennakitNoNo5LEDcableassemblyNoNo6HingebracketsNoNo7HingesNoNo8LCDrearcoverassemb

No.DescriptionsSelf-serviceCRUOptional-serviceCRU1LCDpanelassemblywithtouchfunctionNoNo2Camera/microphonecardNoNo3TouchsensorcardNoNo4Antennakitordumm

FRUdescriptionsSelf-serviceCRUOptional-serviceCRUSystemboardmiscellaneouskit•Systemboardmylar•Spec(1)NoNoBasecoverassemblymiscellaneouskit•Batterylatc

50HardwareMaintenanceManual

Chapter6.FRUreplacementnoticesThischapterpresentsnoticesrelatedtoremovingandreplacingparts.ReadthischaptercarefullybeforereplacinganyFRU.CRUstatementf

•Itisrecommendedtouseeachscrewonlyonce.Tightenscrewsasfollows:•PlastictoplasticTurnanadditional90degreesafterthescrewheadtouchesthesurfaceoftheplastic

2.Gotohttp://www.lenovo.com/maintenanceutilitiesandfollowtheinstructionsonthescreentocreateaMaintenanceKey.Note:OnlyanauthorizedLenovoservicetechnicia

ivHardwareMaintenanceManual

ReadingorwritingtheECAinformationInformationonEngineeringChangeAnnouncements(ECA)isstoredintheEEPROMofthesystemboard.Theelectronicstorageofthisinforma

Chapter7.RemovingorreplacingaFRUThischapterprovidesinstructionsonhowtoremoveorreplaceaFRU.CRUstatementforcustomers:Youcanresolvesomeproblemswithyourpr

BeforeservicingthecomputerCarefullyreadthistopicbeforeservicingthecomputer.Disablingthebuilt-inbatteryBeforereplacinganyFRU,ensurethatyouhavedisabledt

1010RemovablebatteryImportantnoticeforreplacingaremovablebatteryAttention:Lenovohasnoresponsibilityfortheperformanceorsafetyofunauthorizedbatteries,an

Removalstepsofthebasecoverassembly12333333333333458HardwareMaintenanceManual

Applyinglabelstothebasecover:Thenewbasecoverassemblyisshippedwithakitcontaininglabelsofseveralkinds.Applythoselabelswhenyoureplacethebasecoverassembly

RemovalstepsofthekeyboardTorevealthescrewheadsbeneaththekeyboardframe,slidethekeyboardframeforwardby2.5mm(0.1inch)withtheflatendofthekeyboardmulti-tool

Pivotthekeyboardslightlyupwarduntilyoucanseetheconnectorsonthebottomsideofthekeyboard3.Thenturnoverthekeyboard4.43Gentlyputthekeyboardonthepalmrestand

Insertthekeyboardintothespaceundertheframeofthekeyboardbezelasshown.Ensurethatthefrontedgeofthekeyboard(theedgethatisclosetothedisplay)isundertheframe

Tightenthescrewswiththecrossendofthekeyboardmulti-tooltosecurethekeyboardinplace.8Slidethekeyboardframebackwardby2.5mm(0.1inch)withtheflatendofthekeybo

Chapter1.SafetyinformationThischapterpresentsfollowingsafetyinformationthatyoumustbefamiliarwithbeforeyouserviceaThinkPadnotebookcomputer.•“Generalsaf

Adjustthekeyboardframeinplacewiththeflatendofthekeyboardmulti-tooltoensurethatallthelatchesaresecuredunderthekeyboardbezel.101040Storage-drivestabilize

Removalstepsoftheinternalstoragedrive43StepScrew(quantity)ColorTorque4M2×L3.5mm,flat-head,nylon-coated(1)Silver0.181Nm(1.85kgf-cm)5Wheninstalling:Ensur

77771050MemorymoduleForaccess,removethisFRU:•“1010Removablebattery”onpage57•“1020Basecoverassembly”onpage57Removalstepsofthememorymodule2111060Wireles

RemovalstepsofthewirelessLANcard12StepScrew(quantity)ColorTorque1M2×L3.5mm,flat-head,nylon-coated(1)Bronze0.181Nm(1.85kgf-cm)3Wheninstalling:Plugthegra

RemovalstepsofthewirelessWANcard122StepScrew(quantity)ColorTorque1M2×L3.5mm,flat-head,nylon-coated(1)Bronze0.181Nm(1.85kgf-cm)3Wheninstalling:Plugtheor

RemovalstepsoftheM.2solid-statedrive1StepScrew(quantity)ColorTorque1M2×L3.5mm,flat-head,nylon-coated(1)Bronze0.181Nm(1.85kgf-cm)1090Coin-cellbatteryFor

Removalstepsofthecoin-cellbattery12Wheninstalling:Ensurethattheconnectorisattachedfirmly.1110dc-inbracketanddc-incableassemblyForaccess,removetheseFRUs

StepScrew(quantity)ColorTorque1M2×L3.5mm,flat-head,nylon-coated(2)Silver0.181Nm(1.85kgf-cm)43Wheninstalling:Ensurethattheconnectorisattachedfirmly.Atten

TheLenovoSolutionCenterprogramprovidesanautomaticbatterydiagnostictestthatdeterminesifthebatteryisdefective.AbatteryFRUshouldnotbereplacedunlessthisdi

1130ThermalfanForaccess,removethisFRU:•“1010Removablebattery”onpage57•“1020Basecoverassembly”onpage57Removalstepsofthethermalfan1234Wheninstalling:Ens

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

Loosenthescrews5inascendingalphabeticalorderasillustrated.Note:Thethermalfanonyourcomputermightlookdifferently.Forsomemodels,youmightnothavetoperforms

Wheninstalling:Donottouchtheareasmarkedaandbinthefollowingillustrations.aba1140SpeakerassemblyForaccess,removethisFRU:•“1010Removablebattery”onpage57•

33Cablerouting:Whenyouinstallthespeakerassembly,routethecablesasshowninthefollowingillustration.1150SmartcardassemblyordummysmartcardDependingonthemod

StepScrew(quantity)ColorTorque3M2×L3mm,flat-head,nylon-coated(5)Black0.181Nm(1.85kgf-cm)4Removalstepsofthedummysmartcard12StepScrew(quantity)ColorTorqu

Removalstepsofthefingerprintreaderassembly2133StepScrew(quantity)ColorTorque3M2×L3mm,flat-head,nylon-coated(2)Black0.181Nm(1.85kgf-cm)Wheninstalling:Ens

RemovalstepsoftheboardforthetrackpadandTrackPointbuttons213333StepScrew(quantity)ColorTorque3M2×L2mm,flat-headshoulder,nylon-coated(4)Black0.181Nm(1.85

•Thesystemboardhasanaccelerometer,whichcanbebrokenwhenseveralthousandsofG-forcesareapplied.Note:Droppingasystemboardfromaheightofaslittleassixinchesso

Removalstepsofthesystemboardassembly6215438710911111111111112Wheninstalling:Ensurethattheconnectorsareattachedfirmly.StepScrew(quantity)ColorTorque11M2

RemovalstepsoftheLCDunit1145213336 6 6 666Wheninstalling:Whenyouroutethecables,ensurethattheyarenotsubjecttoanytension.Tensioncouldcausethecablestobed

StepScrew(quantity)ColorTorque7M2.5×L3.5mm,flat-head,nylon-coated(4)Silver0.181Nm(1.85kgf-cm)90°8991210PowerbuttonboardForaccess,removetheseFRUsinorder

Considertheseconditionsandthesafetyhazardstheypresent:•Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatalelectric

Removalstepsofthepowerbuttonboard112StepScrew(quantity)ColorTorque1M2×L3mm,flat-head,nylon-coated(2)Black0.181Nm(1.85kgf-cm)Wheninstalling:Ensurethatth

2010LCDbezelassemblyImportant:OnceanLCDbezelassemblyisremoved,itcannotbeusedanymore.AnewLCDbezelassemblyisrequiredforreplacement.RemovalstepsoftheLCDb

543Wheninstalling:EnsurethattheLCDconnectorisattachedfirmly.2030HingesandhingebracketsForaccess,removetheseFRUsinorder:•“1010Removablebattery”onpage57•

StepScrew(quantity)ColorTorque1M2.5×L2.5mm,big-head,nylon-coated(6)Silver0.294Nm(3kgf-cm)22Removalstepsofthehingebrackets2040Camera/microphonecardFora

Removalstepsofthecamera/microphonecard1Wheninstalling:Ensurethattheconnectorisattachedfirmly.22050LEDcableassemblyForaccess,removetheseFRUsinorder:•“10

•“1070WirelessWANcard”onpage67•“1130Thermalfan”onpage73•“1180Systemboardassembly”onpage79•“1190LCDunit”onpage81•“2010LCDbezelassembly”onpage85•“2020LC

•“1070WirelessWANcard”onpage67•“1130Thermalfan”onpage73•“1180Systemboardassembly”onpage79•“1190LCDunit”onpage81•“2010LCDbezelassembly”onpage85•“2020LC

Cablerouting:Whenyouinstalltheantennakit,routethecablesasshowninthefollowingillustration.Ensurethatthecablesarenotsubjecttoanytension.Tensioncouldcaus

aWLANauxiliaryantenna(black)bWWANauxiliaryantenna(blue)cWWANmainantenna(red)dWLANmainantenna(gray)RemovalstepsoftheLCDrearcoverassemblyToreplacetheLCD

•“1010Removablebattery”onpage57•“3010LCDfrontsheetbezel”onpage92RemovalstepsoftheLCDpanelassemblyandLCDcableTheLCDpanelassemblyconsistsofanLCDpaneland