Lenovo T470P Hmm En Sp40M11995 02 User Manual Hardware Maintenance Think Pad Laptop (Think Pad)
2017-06-19
User Manual: Lenovo T470P Hmm En Sp40M11995 02 Hardware Maintenance Manual - ThinkPad T470p Laptop T470p Laptop (ThinkPad) ThinkPad T470p
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- About this manual
- Chapter 1. Safety information
- Chapter 2. Important service information
- Chapter 3. General checkout
- Chapter 4. Related service information
- Chapter 5. Function keys
- Chapter 6. Locations
- Chapter 7. FRU replacement notices
- Chapter 8. Removing or replacing a FRU
- General guidelines
- 1010 Micro-SIM-card tray
- 1020 Battery pack
- 1030 Keyboard rubbers
- 1040 Keyboard
- 1050 Base cover assembly
- 1060 Dummy SIM-card cover
- 1070 Storage drive
- 1080 Wireless LAN card
- 1090 Wireless WAN card
- 1100 Memory module
- 1110 Coin-cell battery
- 1120 Thermal fan assembly
- 1130 USB card and USB-card cable
- 1140 dc-in cable assembly
- 1150 LCD unit
- 1160 System board
- 1170 Audio card
- 1180 HDMI card
- 1190 Speaker assembly
- 1200 Smart-card-reader bracket, smart card reader, smart-card-reader cable, and dummy smart card door,
- 1210 Fingerprint reader
- 2010 LCD bezel
- 2020 LCD panel
- 2030 Camera/microphone card
- 2040 LCD hinges
- 2050 LCD cable
- 2060 Antenna kit
- Appendix A. Notices
- Appendix B. Abbreviation table
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Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformation
underAppendixA“Notices”onpage95.
ThirdEdition(June2017)
©CopyrightLenovo2017.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministration
“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.GS-35F-05925.
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Contents
Aboutthismanual...........iii
Chapter1.Safetyinformation......1
Generalsafety................1
Electricalsafety...............1
Safetyinspectionguide............2
Handlingdevicesthataresensitivetoelectrostatic
discharge..................3
Groundingrequirements............4
Safetynotices(multilingualtranslations)......4
Chapter2.Importantservice
information..............19
StrategyforreplacingFRUs.........19
Strategyforreplacingaharddiskdriveora
solid-statedrive............19
Importantnoticeforreplacingasystem
board................20
Howtouseerrormessage........20
StrategyforreplacingFRUsforCTO,special-bid,
andstandardmodels............20
Productdefinition............20
FRUidentification............20
Chapter3.Generalcheckout.....23
Whattodofirst..............23
Checkoutguide..............24
LenovoCompanion...........24
Quicktestprograms...........24
UEFIdiagnosticprogram.........25
Bootablediagnosticprograms.......25
Powersystemcheckout...........26
Checkingtheacpoweradapter......26
Checkingthebatterypackandtheoperational
charging...............27
Checkingthecoin-cellbattery.......28
Chapter4.Relatedservice
information..............29
Recoveryinformation............29
Resettingyourcomputer.........29
Usingadvancedstartupoptions......29
RecoveringyouroperatingsystemifWindows
10failstostart.............29
CreatingandusingarecoveryUSBdrive..30
Passwords................30
Power-onpassword...........31
Harddiskpassword...........31
Supervisorpassword..........31
Howtoremovethepower-onpassword...31
Howtoremovetheharddiskpassword...32
Powermanagement............32
Sleepmode..............32
Hibernationmode...........33
Symptom-to-FRUindex...........33
Numericerrorcodes..........34
Errormessages............35
Beepsymptoms............35
No-beepsymptoms...........37
LCD-relatedsymptoms.........37
Intermittentproblems..........37
Undeterminedproblems.........38
Chapter5.Functionkeys.......39
Chapter6.Locations.........41
Locatingcomputercontrols,connectors,and
indicators.................41
Frontview...............41
Sideviews..............41
Bottomview..............42
Statusindicators............43
LocatingFRUsandCRUs..........44
MajorFRUsandCRUs..........45
LCDFRUs..............47
Miscellaneousparts...........48
Connectorandcableguide........48
LookingupFRUinformation.........51
Chapter7.FRUreplacement
notices................53
Screwnotices...............53
Retainingserialnumbers...........54
Restoringtheserialnumberofthesystem
unit.................54
RetainingtheUUID...........55
ReadingorwritingtheECAinformation...55
Chapter8.Removingorreplacinga
FRU..................57
Generalguidelines.............57
1010Micro-SIM-cardtray..........58
1020Batterypack.............58
1030Keyboardrubbers...........59
1040Keyboard..............59
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1050Basecoverassembly..........64
1060DummySIM-cardcover.........66
1070Storagedrive.............66
1080WirelessLANcard...........69
1090WirelessWANcard...........70
1100Memorymodule............71
1110Coin-cellbattery............72
1120Thermalfanassembly.........73
1130USBcardandUSB-cardcable......74
1140dc-incableassembly..........76
1150LCDunit...............77
1160Systemboard.............79
1170Audiocard..............81
1180HDMIcard..............82
1190Speakerassembly...........83
1200Smart-card-readerbracket,smartcard
reader,smart-card-readercable,anddummy
smartcarddoor,..............83
1210Fingerprintreader...........85
2010LCDbezel..............86
2020LCDpanel..............86
2030Camera/microphonecard........87
2040LCDhinges..............88
2050LCDcable..............90
2060Antennakit..............91
AppendixA.Notices..........95
Electronicemissionsnotices.........96
Trademarks................96
AppendixB.Abbreviationtable....97
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Aboutthismanual
ThismanualcontainsserviceandreferenceinformationforthefollowingThinkPad®products.
ThinkPadT470pMachineType(MT)20J6and20J7
Usethismanualalongwiththeadvanceddiagnosticteststotroubleshootproblems.
Important:ThismanualisintendedonlyfortrainedservicetechnicianswhoarefamiliarwithThinkPad
products.Usethismanualalongwiththeadvanceddiagnosticteststotroubleshootproblemseffectively.
BeforeservicingaThinkPadproduct,besuretoreadalltheinformationunderChapter1“Safetyinformation”
onpage1andChapter2“Importantserviceinformation”onpage19.
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Chapter1.Safetyinformation
Thischapterpresentsfollowingsafetyinformationthatyouneedtobefamiliarwithbeforeyouservicea
ThinkPadnotebookcomputer.
•“Generalsafety”onpage1
•“Electricalsafety”onpage1
•“Safetyinspectionguide”onpage2
•“Handlingdevicesthataresensitivetoelectrostaticdischarge”onpage3
•“Groundingrequirements”onpage4
•“Safetynotices(multilingualtranslations)”onpage4
Generalsafety
Followtheserulestoensuregeneralsafety:
•Observegoodhousekeepingintheareaofthemachinesduringandaftermaintenance.
•Whenliftinganyheavyobject:
1.Makesurethatyoucanstandsafelywithoutslipping.
2.Distributetheweightoftheobjectequallybetweenyourfeet.
3.Useaslowliftingforce.Nevermovesuddenlyortwistwhenyouattempttolift.
4.Liftbystandingorbypushingupwithyourlegmuscles;thisactionremovesthestrainfromthe
musclesinyourback.Donotattempttoliftanyobjectthatweighsmorethan16kg(35lb)orthat
youthinkistooheavyforyou.
•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.
Attention:Metalobjectsaregoodelectricalconductors.
•Wearsafetyglasseswhenyouarehammering,drilling,soldering,cuttingwire,attachingsprings,using
solvents,orworkinginanyotherconditionsthatmightbehazardoustoyoureyes.
•Afterservice,reinstallallsafetyshields,guards,labels,andgroundwires.Replaceanysafetydevice
thatiswornordefective.
•Reinstallallcoverscorrectlybeforereturningthemachinetothecustomer.
•Fanlouversonthemachinehelptopreventoverheatingofinternalcomponents.Donotobstructfan
louversorcoverthemwithlabelsorstickers.
Electricalsafety
Observethefollowingruleswhenworkingonelectricalequipment.
Important:Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoft
materialthatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.Manycustomershave,near
theirequipment,rubberfloormatsthatcontainsmallconductivefiberstodecreaseelectrostaticdischarges.
Donotusethistypeofmattoprotectyourselffromelectricalshock.
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•Findtheroomemergencypower-off(EPO)switch,disconnectingswitch,orelectricaloutlet.Ifanelectrical
accidentoccurs,youcanthenoperatetheswitchorunplugthepowercordquickly.
•Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.
•Disconnectallpowerbefore:
–Performingamechanicalinspection
–Workingnearpowersupplies
–Removingorinstallingmainunits
•Beforeyoustarttoworkonthemachine,unplugthepowercord.Ifyoucannotunplugit,askthecustomer
topower-offthewallboxthatsuppliespowertothemachine,andtolockthewallboxintheoffposition.
•Ifyouneedtoworkonamachinethathasexposedelectricalcircuits,observethefollowingprecautions:
–Ensurethatanotherperson,familiarwiththepower-offcontrols,isnearyou.
Attention:Anotherpersonmustbetheretoswitchoffthepower,ifnecessary.
–Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour
pocketorbehindyourback.
Attention:Anelectricalshockcanoccuronlywhenthereisacompletecircuit.Byobservingtheabove
rule,youmaypreventacurrentfrompassingthroughyourbody.
–Whenusingtesters,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor
thattester.
–Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchas
metalfloorstripsandmachineframes.
Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;Instructionsforthese
precautionsareinthesafetysectionsofmaintenanceinformation.Useextremecarewhenmeasuring
highvoltages.
•Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperationalcondition.
•Donotusewornorbrokentoolsandtesters.
•Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpoweredoff.
•Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsaremoistfloors,
nongroundedpowerextensioncables,powersurges,andmissingsafetygrounds.
•Donottouchliveelectricalcircuitswiththereflectivesurfaceofaplasticdentalmirror.Thesurfaceis
conductive;suchtouchingcancausepersonalinjuryandmachinedamage.
•Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperating
placesinamachine:
–Powersupplyunits
–Pumps
–Blowersandfans
–Motorgenerators
–Similarunitsaslistedabove
Thispracticeensurescorrectgroundingoftheunits.
•Ifanelectricalaccidentoccurs:
–Usecaution;donotbecomeavictimyourself.
–Switchoffpower.
–Sendanotherpersontogetmedicalaid.
Safetyinspectionguide
Thepurposeofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditions.Aseach
machinewasdesignedandbuilt,requiredsafetyitemswereinstalledtoprotectusersandservicetechnicians
frominjury.Thisguideaddressesonlythoseitems.Y oushouldusegoodjudgmenttoidentifypotential
safetyhazardsduetoattachmentofnon-ThinkPadfeaturesoroptionsnotcoveredbythisinspectionguide.
Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeand
whetheryoucancontinuewithoutfirstcorrectingtheproblem.
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Considertheseconditionsandthesafetyhazardstheypresent:
•Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatal
electricalshock)
•Explosivehazards,suchasadamagedcathoderaytube(CRT)faceorabulgingcapacitor
•Mechanicalhazards,suchaslooseormissinghardware
Todeterminewhetherthereareanypotentiallyunsafeconditions,usethefollowingchecklistatthebeginning
ofeveryservicetask.Beginthecheckswiththepoweroff,andthepowercorddisconnected.
Checklist:
1.Checkexteriorcoversfordamage(loose,broken,orsharpedges).
2.Poweroffthecomputer.Disconnectthepowercord.
3.Checkthepowercordfor:
a.Athird-wiregroundconnectoringoodcondition.Useametertomeasurethird-wireground
continuityfor0.1ohmorlessbetweentheexternalgroundpinandtheframeground.
b.Thepowercordshouldbetheauthorizedtypespecifiedforyourcomputer.Goto:
http://www.lenovo.com/serviceparts-lookup
c.Insulationmustnotbefrayedorworn.
4.Checkforcrackedorbulgingbatteries.
5.Removethecover.
6.Checkforanyobviousnon-ThinkPadalterations.Usegoodjudgmentastothesafetyofany
non-ThinkPadalterations.
7.Checkinsidetheunitforanyobviousunsafeconditions,suchasmetalfilings,contamination,wateror
otherliquids,orsignsoffireorsmokedamage.
8.Checkforworn,frayed,orpinchedcables.
9.Checkthatthepower-supplycoverfasteners(screwsorrivets)havenotbeenremovedortamperedwith.
Handlingdevicesthataresensitivetoelectrostaticdischarge
Anycomputerpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto
electrostaticdischarge(ESD).ESDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects.
ProtectagainstESDdamagebyequalizingthechargesothatthemachine,thepart,theworkmat,andthe
personhandlingthepartareallatthesamecharge.
Notes:
1.Useproduct-specificESDprocedureswhentheyexceedtherequirementsnotedhere.
2.MakesurethattheESDprotectivedevicesyouusehavebeencertified(ISO9000)asfullyeffective.
WhenhandlingESD-sensitiveparts:
•Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct.
•Avoidcontactwithotherpeople.
•Wearagroundedwriststrapagainstyourskintoeliminatestaticonyourbody.
•Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeeven
whenyouarewearingawriststrap.
•Useagroundedworkmattoprovideastatic-freeworksurface.Thematisespeciallyusefulwhen
handlingESD-sensitivedevices.
•Selectagroundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespecific
servicerequirement.
Note:TheuseofagroundingsystemtoguardagainstESDdamageisdesirablebutnotnecessary.
–AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen-wireground.
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–Whenworkingonadouble-insulatedorbattery-operatedsystem,useanESDcommongroundor
referencepoint.Y oucanusecoaxorconnector-outsideshellsonthesesystems.
–Usetheroundgroundprongoftheacplugonac-operatedcomputers.
Groundingrequirements
Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrectsystemfunction.Proper
groundingoftheelectricaloutletcanbeverifiedbyacertifiedelectrician.
Safetynotices(multilingualtranslations)
Thesafetynoticesinthissectionareprovidedinthefollowinglanguages:
•English
•Arabic
•BrazilianPortuguese
•French
•German
•Hebrew
•Japanese
•Korean
•Spanish
•TraditionalChinese
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Chapter2.Importantserviceinformation
Thischapterintroducesfollowingimportantserviceinformationthatappliestoallmachinetypessupported
bythismanual:
•“StrategyforreplacingFRUs”onpage19
–“Strategyforreplacingaharddiskdriveorasolid-statedrive”onpage19
–“Importantnoticeforreplacingasystemboard”onpage20
–“Howtouseerrormessage”onpage20
•“StrategyforreplacingFRUsforCTO,special-bid,andstandardmodels”onpage20
–“Productdefinition”onpage20
–“FRUidentification”onpage20
Important:
•IfthecomputerisequippedwithbothaharddiskdriveandanM.2solid-statedrive,donotusetheM.2
solid-statedriveasabootabledevice.TheM.2solid-statedriveisdesignedanddevelopedfor“cache”
functionpurposeonly.
•AdvisecustomerstocontacttheLenovo®CustomerSupportCenteriftheyneedanyassistancein
obtainingorinstallinganysoftwarefixes,drivers,andUnifiedExtensibleFirmwareInterfacebasic
inputoutputsystem(UEFIBIOS)downloads.TelephonenumbersforLenovoSupportareavailableat:
http://www.lenovo.com/support/phone
•SystemDisassembly/ReassemblyvideosthatshowtheFRUremovalsorreplacementsfortheLenovo
authorizedservicetechniciansareavailableinthefollowingsupportsite:
http://www.lenovoservicetraining.com/ion/
StrategyforreplacingFRUs
Beforereplacingparts:
Ensurethatallsoftwarefixes,drivers,andUEFIBIOSdownloadsareinstalledbeforereplacinganyFRUs
listedinthismanual.
Afterasystemboardisreplaced,ensurethatthelatestUEFIBIOSisloadedtothesystemboardbefore
completingtheserviceaction.
Todownloadsoftwarefixes,drivers,andUEFIBIOS,gotohttp://www.lenovo.com/ThinkPadDriversand
followtheinstructionsonthescreen.
UsethefollowingstrategytopreventunnecessaryexpenseforreplacingandservicingFRUs:
•IfyouareinstructedtoreplaceaFRUbutthereplacementdoesnotcorrecttheproblem,reinstallthe
originalFRUbeforeyoucontinue.
•Somecomputershavebothaprocessorboardandasystemboard.Ifyouareinstructedtoreplaceeither
theprocessorboardorthesystemboard,andreplacingoneofthemdoesnotcorrecttheproblem,
reinstallthatboard,andthenreplacetheotherone.
•IfanadapteroradeviceconsistsofmorethanoneFRU,anyoftheFRUsmightbethecauseoftheerror.
Beforereplacingtheadapterordevice,removetheFRUs,onebyone,toseeifthesymptomschange.
ReplaceonlytheFRUthatchangedthesymptoms.
Strategyforreplacingaharddiskdriveorasolid-statedrive
Alwaystrytorunalow-levelformatbeforereplacingaharddiskdriveorasolid-statedrive.Thiswillcause
allcustomerdataonthedrivetobelost.Besurethatthecustomerhasacurrentbackupofthedata
beforedoingthistask.
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Attention:Thedrivestartupsequenceinthecomputeryouareservicingmayhavebeenchanged.Be
extremelycarefulduringwriteoperationssuchascopying,saving,orformatting.Ifyouselectanincorrect
drive,dataorprogramscanbeoverwritten.
Importantnoticeforreplacingasystemboard
Somecomponentsmountedonasystemboardareverysensitive.Improperhandlingofasystemboardcan
causedamagetothosecomponents,andmaycauseasystemmalfunction.
Attention:Whenhandlingasystemboard:
•Donotdropasystemboardorapplyanyexcessiveforcetoit.
•Avoidroughhandlingofanykind.
•Avoidbendingasystemboardandhardpushingtopreventcrackingateachball-grid-array(BGA)chipset.
Howtouseerrormessage
Usetheerrorcodesdisplayedonthescreentodiagnosefailures.Ifmorethanoneerrorcodeisdisplayed,
beginthediagnosiswiththefirsterrorcode.Whatevercausesthefirsterrorcodemayalsocausefalseerror
codes.Ifnoerrorcodeisdisplayed,seewhethertheerrorsymptomislistedintheSymptom-to-FRU
Indexforthecomputeryouareservicing.
StrategyforreplacingFRUsforCTO,special-bid,andstandardmodels
ThistopicprovidesinformationaboutthemodeltypesandFRUidentification.
Productdefinition
Thistopicintroducesdifferentmodeltypesandhowtoidentifyeachtype.
Dynamicconfigure-to-order(CTO)model
ThismodelprovidestheabilityforacustomertoconfigureaLenovosolutionfromaWebSite,andhavethis
configurationsenttofulfillment,whereitisbuiltandshippeddirectlytothecustomer.Themachinelabeland
eSupportwillloadtheseproductsasthe4-characterMT,4-charactermodel,and2-charactercountrycode.
Themodelis“CTO1”andthedefaultcountrycodeis“WW”(example:20AACTO1WW).
Special-bidmodel
ThisisauniqueconfigurationthathasbeennegotiatedbetweenLenovoandthecustomer.Auniquemachine
typemodel(MTM)consistsofa4-characterMT,a4-charactermodel,andanumeric2-charactercountry
codeisprovidedtothecustomertoplaceorders(example:20AA000955).Thecountrycodeassignedis
numericanddoesnotdesignateaspecificcountryorregion.ThecustommodelfactsheetfortheMTM
indicateswhichcountrythespecialbidMTMissetupfor.Special-bidofferingisnotgenerallyannounced.
Standardmodel
Standardmodels(fixedconfiguration)areannouncedandofferedtoallcustomers.TheMTMportionofthe
machinelabelconsistsofa4-characterMT,a4-charactermodel,andanalphabetic2-charactercountry
code.Thecountrycodeassignedisalphabeticandrepresentsadesignatedcountryorregion(example:
20AA0009UK).
FRUidentification
UseLenovoeSupporttoidentifymajorFRUs,FRUpartnumbers,andFRUdescriptionsforaproductat
anMT-serialnumberlevel.ExamplesofmajorFRUsareharddiskdrive,systemboard,andliquidcrystal
display(LCD).
ToidentifythemajorFRUsforaproduct,dothefollowing:
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1.Goto:
http://support.lenovo.com/ibasepartslookup
2.TypetheMachineTypeandSerialNumberinthecorrespondingfields.
3.ClickSubmit.
eSupportalsocanbeusedtoviewthegeneralFRUlistforaproduct.TheFRUlistisagenerallistof
componentsanddoesnotcontainspecificmodelinformation.
TogetthegeneralFRUlistforaproduct,dothefollowing:
1.Goto:
http://www.lenovo.com/support
2.Followtheinstructionsonthescreentoselectaproduct.
3.ClicktheProduct&Partstab.
4.SelectSystemServicePartstoviewageneralFRUlist.
Chapter2.Importantserviceinformation21
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Chapter3.Generalcheckout
Thischapterintroducesfollowinginformation:
•“Whattodofirst”onpage23
•“Checkoutguide”onpage24
•“Powersystemcheckout”onpage26
Beforeyougotothecheckoutguide,besuretoreadthefollowingimportantnotes.
Importantnotes:
•Onlycertifiedtrainedpersonnelshouldservicethecomputer.
•BeforereplacinganyFRU,readtheentirepageonremovingandreplacingFRUs.
•WhenyoureplaceFRUs,itisrecommendedusenewnylon-coatedscrews.
•Beextremelycarefulduringsuchwriteoperationsascopying,saving,orformatting.Thesequence
ofthedrivesinthecomputerthatyouareservicingmighthavebeenaltered.Ifyouselectanincorrect
drive,dataorprogramsmightbeoverwritten.
•ReplaceaFRUonlywithanotherFRUofthecorrectmodel.WhenyoureplaceaFRU,ensure
thatthemodelofthemachineandtheFRUpartnumberarecorrectbyreferringtothewebsite:
http://www.lenovo.com/serviceparts-lookup
•AFRUshouldnotbereplacedbecauseofasingle,unreproduciblefailure.Singlefailurescanoccur
foravarietyofreasonsthathavenothingtodowithahardwaredefect,suchascosmicradiation,
electrostaticdischarge,orsoftwareerrors.ConsiderreplacingaFRUonlywhenaproblemrecurs.Ifyou
suspectthataFRUisdefective,cleartheerrorlogandrunthetestagain.Iftheerrordoesnotrecur,do
notreplacetheFRU.
•BecarefulnottoreplaceanondefectiveFRU.
Whattodofirst
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,modification,unsuitablephysicaloroperatingenvironment,orimproper
maintenancebythecustomer.Followingisalistofsomecommonitemsthatarenotcoveredunderwarranty
andsomesymptomsthatmightindicatethatthesystemwassubjectedtostressbeyondnormaluse.
Beforecheckingproblemswiththecomputer,determinewhetherthedamageiscoveredunderthewarranty
byreferringtothefollowinglist:
Thefollowingarenotcoveredunderwarranty:
•LCDpanelcrackedfromtheapplicationofexcessiveforceorfrombeingdropped
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•Scratched(cosmetic)parts
•Distortion,deformation,ordiscolorationofthecosmeticparts
•Plasticparts,latches,pins,orconnectorsthathavebeencrackedorbrokenbyexcessiveforce
•Damagecausedbyliquidspilledintothesystem
•Damagecausedbytheimproperinsertionofapersonal-computercard(PCcard)ortheinstallationof
anincompatiblecard
•Improperdiscinsertionoruseofanexternalopticaldrive
•Fusesblownbyattachmentofanonsupporteddevice
•Forgottencomputerpassword(makingthecomputerunusable)
•Stickykeyscausedbyspillingaliquidontothekeyboard
•Useofanincorrectacpoweradapteronlaptopproducts
Thefollowingsymptomsmightindicatedamagecausedbynonwarrantedactivities:
•Missingpartsmightbeasymptomofunauthorizedserviceormodification.
•Checkforobviousdamagetoaharddiskdrive.Ifthespindleofaharddiskdrivebecomesnoisy,thehard
diskdrivemighthavebeendroppedorsubjecttoexcessiveforce.
Checkoutguide
UsethefollowingproceduresasaguideinidentifyingandcorrectingproblemswiththeThinkPadnotebook
computers.
Note:ThediagnostictestsareintendedtotestonlyThinkPadproducts.Theuseofnon-ThinkPadproducts,
prototypecards,ormodifiedoptionscanleadtofalseindicationsoferrorsandinvalidsystemresponses.
1.Identifythefailingsymptomsinasmuchdetailaspossible.
2.Verifythesymptoms.Trytore-createthefailurebyrunningthediagnostictestorbyrepeatingthe
operation.
LenovoCompanion
LenovoCompanionsupportsthehardwarescanfunction.Itcombinesdiagnostictests,systeminformation
collection,securitystatus,andsupportinformation,alongwithhintsandtipsforoptimalsystemperformance.
TheLenovoCompanionprogramisavailablefordownloadat
https://shop.lenovo.com/us/en/accessories/software/apps/lenovo-apps/companion/.
ToruntheLenovoCompanionprogram,opentheStartmenuandclickLenovoCompanion,andthen
followtheinstructionsonthescreen.
Quicktestprograms
Lenovoprovidesquicktestprogramstotroubleshootandresolvecomputerproblems.
Todownloadandinstallaquicktestprogram,gotohttp://www.lenovo.com/diags,andfollowtheinstructions
ontheWebsite.
Torunatestusingquicktestprogram,dothefollowing:
1.GototheC:\SWTOOLS\ldiagdirectory.
2.Double-clickthegui_lsc_lite.exefile.
3.WhentheUserAccountControlwindowopens,clickY es.
4.Selectthedeviceclasstobetested.
5.Selectthedevicestobetested.
6.Selectthetesttobeperformed.
24T470pHardwareMaintenanceManual
![](asset-1f.png)
7.Followtheinstructionsonthescreentostartthetest.Whenaproblemisdetected,information
messagesaredisplayed.Refertothemessagestotroubleshoottheproblem.
UEFIdiagnosticprogram
AUEFIdiagnosticprogramispreinstalledonthecomputer.Itenablesyoutotestmemorymodulesand
internalstoragedevices,viewsysteminformation,andcheckandrecoverbadsectorsoninternalstorage
devices.
ToruntheUEFIdiagnosticprogram,dothefollowing:
1.Turnonthecomputer.Ifthecomputercannotbeturnedon,goto“Powersystemcheckout”onpage26,
andcheckthepowersources.Ifanerrorcodeisdisplayed,goto“Symptom-to-FRUindex”onpage33
forerrorcodedescriptionsandtroubleshootinghints.
2.Whenthelogoscreenisdisplayed,repeatedlypressandreleasetheF10key.Themainscreenofthe
UEFIdiagnosticprogramisdisplayed.
3.Followtheinstructionsonthescreentousethediagnosticprogram.
Theoptionsonthemainscreenareasfollows:
Table1.ItemsonthemainscreenoftheUEFIdiagnosticprogram
TestsTools
•QuickMemoryTest
•QuickStorageDeviceT est
•LCDtest
•PCI-etest
•ExitApplication
•SystemInformation
•Generateconfigurationfile
•Executefromconfigurationfile
•RecoverBadSectorsTool*
*RecoverBadSectorsToolisonlyavailableoncomputersthathaveharddiskdrivesinstalled.
Bootablediagnosticprograms
IfthecomputeryouareservicingisnotinstalledwiththeUEFIdiagnosticprogram,youcandownloada
bootablediagnosticprogramfromtheLenovoSupportWebsite.Thebootablediagnosticprogramsenable
youtotestcomputermemoryandinternalstoragedevices,viewsysteminformation,andcheckandrecover
theinternalstoragedevices.Tousethebootablediagnosticprograms,youcancreateabootablediagnostic
mediumonaUniversalSerialBus(USB)deviceorCD.
Tocreateabootablediagnosticmedium,dothefollowing:
1.Gotohttp://www.lenovo.com/diags.
2.ClickLenovoBootableDiagnostics.
3.FollowtheinstructionsontheWebsitetocreateabootablediagnosticmediumonaUSBdeviceorCD.
Tousethediagnosticmediumyouhavecreated,dooneofthefollowing:
•IfyouhavecreatedthebootablediagnosticmediumonaUSBdevice,dothefollowing:
1.AttachtheUSBdevicetothecomputer.
2.Turnonthecomputer.Ifthecomputercannotbeturnedon,goto“Powersystemcheckout”onpage
26,andcheckthepowersources.Ifanerrorcodeisdisplayed,goto“Symptom-to-FRUindex”on
page33forerrorcodedescriptionsandtroubleshootinghints.
3.Whenthelogoscreenisdisplayed,repeatedlypressandreleasetheF12key.WhentheBootMenu
windowopens,releasetheF12key.
Chapter3.Generalcheckout25
![](asset-20.png)
4.UsethearrowkeystoselectUSBHDDandthenpressEnter.Thediagnosticprogramwillbe
launchedautomatically.
5.Followtheinstructionsonthescreentousethediagnosticprogram.
•IfyouhavecreatedthebootablediagnosticmediumonaCD,dothefollowing:
1.Turnonthecomputer.Ifthecomputercannotbeturnedon,goto“Powersystemcheckout”onpage
26,andcheckthepowersources.Ifanerrorcodeisdisplayed,goto“Symptom-to-FRUindex”on
page33forerrorcodedescriptionsandtroubleshootinghints.
2.Connectanexternalopticaldrivetothecomputer,andinserttheCDintotheopticaldrive.
3.Restartthecomputer.
4.Whenthelogoscreenisdisplayed,repeatedlypressandreleasetheF12key.WhentheBootMenu
windowopens,releasetheF12key.
5.UsethearrowkeystoselectATAPICDx(x:0,1,...)andthenpressEnter.Thediagnosticprogram
willbelaunchedautomatically.
6.Followtheinstructionsonthescreentousethediagnosticprogram.
Powersystemcheckout
Toverifyifabatterypackoranacpoweradapterisfunctional,dothefollowing:
1.Turnoffthecomputer.
2.Connecttheacpoweradapter.
3.Turnonthecomputer.Ifthecomputercanbeturnedon,itmeansthateitherthebatterypackortheac
poweradapterisfunctional.
4.Turnoffthecomputeranddisconnecttheacpoweradapter.
5.Turnonthecomputer.Ifthecomputercanbeturnedon,itmeansthatthebatterypackisfunctional.
6.Turnoffthecomputerandremovethebatterypack.Thenconnecttheacpoweradapter.
7.Turnonthecomputer.Ifthecomputercanbeturnedon,itmeansthattheacpoweradapterisfunctional.
Ifyoususpectapowerproblem,seetheappropriateoneofthefollowingpowersupplycheckouts:
•“Checkingtheacpoweradapter”onpage26
•“Checkingthebatterypackandtheoperationalcharging”onpage27
•“Checkingthecoin-cellbattery”onpage28
Checkingtheacpoweradapter
Youareherebecausethecomputerfailsonlywhentheacpoweradapterisused.
•Ifthepowerproblemoccursonlywhenthedockingstationortheportreplicatorisused,replacethe
dockingstationortheportreplicator.
•Ifthesystem-statusindicatordoesnotblinkthreetimeswhenanacpowersourceisconnected,check
thepowercordoftheacpoweradapterforcorrectcontinuityandinstallation.
•Ifthecomputerdoesnotchargeduringoperation,goto“Checkingthebatterypackandtheoperational
charging”onpage27.
Tochecktheacpoweradapter,dothefollowing:
1.Unplugtheacpoweradaptercablefromthecomputer.
2.Measuretheoutputvoltageattheplugoftheacpoweradaptercable.Seethefollowingillustration:
26T470pHardwareMaintenanceManual
![](asset-21.png)
PinVoltage(Vdc)
1+20
20
3Ground
(20V)
1
3
2
Note:Outputvoltageofpin2oftheacpoweradaptermightdifferfromtheoneyouareservicing.
3.Ifthevoltageisnotcorrect,replacetheacpoweradapter.
4.Ifthevoltageisacceptable,replacethesystemboard.
Note:Noisefromtheacpoweradapterdoesnotalwaysindicateadefect.
Checkingthebatterypackandtheoperationalcharging
Checkingthebatterypack
Thiscomputersupportsonlybatteriesspeciallydesignedforthisspecificsystemandmanufacturedby
Lenovooranauthorizedbuilder.Thesystemdoesnotsupportunauthorizedbatteriesorbatteriesdesigned
forothersystems.Ifanunauthorizedbatteryorabatterydesignedforanothersystemsisinstalled,the
systemwillnotcharge.
Attention:Lenovohasnoresponsibilityfortheperformanceorsafetyofunauthorizedbatteries,and
providesnowarrantiesforfailuresordamagearisingoutoftheiruse.
Moveyourpointertothebattery-statusiconintheWindowsnotificationareatocheckthebatterystatus.
Thebattery-statusicondisplaysthepercentageofbatterypowerremainingandhowlongyoucanuse
yourcomputerbeforeyoumustchargethebattery.
Note:Ifthebatterypackbecomeshot,itmaynotbeabletocharge.Removeitfromthecomputerandleave
itatroomtemperatureforawhile.Afteritcoolsdown,reinstallandrechargeit.
Tocheckthebatterypack,dothefollowing:
1.Poweroffthecomputer.
2.Removethebatterypackandmeasurethevoltagebetweenbatteryterminals1(+)and7(-).Seethe
followingfigure:
TerminalVoltage(Vdc)
1,2+0to+12.6
6,7Ground(-)
1(+)2(+)
3456(-)7(-)
3.Ifthevoltageislessthan+11.0Vdc,thebatterypackhasbeendischarged.
Ifthevoltageisstilllessthan+11.0Vdcafterrecharging,replacethebatterypack.
4.Ifthevoltageismorethan+11.0Vdc,measuretheresistancebetweenbatteryterminals5and7.
Theresistancemustbe4to30KΩ.Iftheresistanceisnotcorrect,replacethebatterypack.Ifthe
resistanceiscorrect,replacethesystemboard.
Chapter3.Generalcheckout27
![](asset-22.png)
Checkingtheoperationalcharging
Tocheckwhetherthebatterypackchargesproperlyduringoperation,dothefollowing:
1.Dischargethebatterypackuntiltheremainedbatterypowerislessthan50%.
2.Connectthecomputertoacpowertochargethebatterypack.IfthebatterystatusiconintheWindows
notificationareaindicatesthatthebatterypackisnotcharging,removethebatterypackandletit
returntoroomtemperature.
3.Reinstallthebatterypack.Ifthebatterypackisstillnotcharging,replacethebatterypack.
4.Checkthebatterystatusiconagain.Ifthesameerrorstillexists,replacethesystemboard.
Checkingthecoin-cellbattery
Tocheckthecoin-cellbattery,dothefollowing:
1.Removethecoin-cellbattery.See“1110Coin-cellbattery”onpage72.
2.Measurethevoltageofthecoin-cellbattery.Seethefollowingillustration.
WireVoltage(Vdc)
Red+2.5to+3.2
BlackGround
•Ifthevoltageiscorrect,replacethesystemboard.
•Ifthevoltageisnotcorrect,replacethecoin-cellbattery.
•Ifthecoin-cellbatterydischargesquicklyafterreplacement,replacethesystemboard.
28T470pHardwareMaintenanceManual
![](asset-23.png)
Chapter4.Relatedserviceinformation
Thischapterpresentsfollowinginformation:
•“Recoveryinformation”onpage29
•“Passwords”onpage30
•“Powermanagement”onpage32
•“Symptom-to-FRUindex”onpage33
ServiceWebsite:Whenthelatestmaintenancedisketteandthesystemprogramservicediskettebecome
available,theywillbepostedonhttp://www.lenovo.com/support
Recoveryinformation
ThischapterprovidesinformationabouttheWindowsrecoverysolutionsontheWindows10operating
system.
Resettingyourcomputer
Ifyourcomputerdoesnotperformwell,youmightconsiderresettingyourcomputer.Intheresettingprocess,
youcanchoosetokeepyourfilesorremovethem,andthenreinstalltheWindowsoperatingsystem.
Toresetyourcomputer,dothefollowing:
Note:Theitemsinthegraphicaluserinterface(GUI)mightchangewithoutnotice.
1.OpentheStartmenu,andthenclickSettings➙Update&security➙Recovery.
2.IntheResetthisPCsection,clickGetstarted.
3.Followtheinstructionsonthescreentoresetyourcomputer.
Usingadvancedstartupoptions
Theadvancedstartupoptionsenableyoutodothefollowing:
•Changethefirmwaresettingsofthecomputer
•ChangethestartupsettingsoftheWindowsoperatingsystem
•Startthecomputerfromanexternaldevice
•RestoretheWindowsoperatingsystemfromasystemimage
Touseadvancedstartupoptions,dothefollowing:
Note:Theitemsinthegraphicaluserinterface(GUI)mightchangewithoutnotice.
1.OpentheStartmenu,andthenclickSettings➙Update&security➙Recovery.
2.IntheAdvancedstartupsection,clickRestartnow➙Troubleshoot➙Advancedoptions.
3.Selectastartupoptionyouwant,andthenfollowtheinstructionsonthescreen.
RecoveringyouroperatingsystemifWindows10failstostart
TheWindowsrecoveryenvironmentonyourcomputeroperatesindependentlyfromtheWindows10
operatingsystem.ItenablesyoutorecoverorrepairtheoperatingsystemeveniftheWindows10operating
systemfailstostart.
©CopyrightLenovo201729
![](asset-24.png)
Aftertwoconsecutivefailedbootattempts,theWindowsrecoveryenvironmentstartsautomatically.Then
youcanchooserepairandrecoveryoptionsbyfollowingtheon-screeninstructions.
Note:Ensurethatyourcomputerisconnectedtoacpowerduringtherecoveryprocess.
CreatingandusingarecoveryUSBdrive
YoucancreatearecoveryUSBdriveasabackupfortheWindowsrecoveryprograms.Withtherecovery
USBdrive,youcantroubleshootandfixtheproblemsevenifthepreinstalledWindowsrecoveryprograms
aredamaged.
ItisrecommendedthatyoucreatearecoveryUSBdriveasearlyaspossible.Ifyoudidnotcreatearecovery
USBdriveasaprecautionarymeasure,youcancontactLenovoCustomerSupportCenterandpurchase
onefromLenovo.ForalistoftheLenovoSupportphonenumbersforyourcountryorregion,goto:
http://www.lenovo.com/support/phone
CreatingarecoveryUSBdrive
TocreatearecoveryUSBdrive,youneedaUSBdrivewithatleast16GBofstoragecapacity.Theactual
USBcapacitythatisrequireddependsonthesizeoftherecoveryimage.
Attention:ThecreationprocesswilldeleteanythingstoredontheUSBdrive.Toavoiddataloss,makea
backupcopyofallthedatathatyouwanttokeep.
TocreatearecoveryUSBdrive,dothefollowing:
Note:Ensurethatyourcomputerisconnectedtoacpowerduringthefollowingprocess.
1.ConnectaproperUSBdrive(atleast16GBofstorage)tothecomputer.
2.Typerecoveryinthesearchboxonthetaskbar.ThenclickCreatearecoverydrive.
3.ClickY esintheUserAccountControlwindowtoallowtheRecoveryMediaCreatorprogramtostart.
4.IntheRecoveryDrivewindow,followtheinstructionsonthescreentocreatearecoveryUSBdrive.
UsingtherecoveryUSBdrive
Ifyoucannotstartyourcomputer,usetherecoveryUSBdrivetorecoveryourcomputer.
TousearecoveryUSBdrive,dothefollowing:
Note:Ensurethatyourcomputerisconnectedtoacpowerduringthefollowingprocess.
1.ConnecttherecoveryUSBdrivetothecomputer.
2.Turnonorrestartthecomputer.BeforetheWindowsoperatingsystemstarts,repeatedlypressF12.The
BootMenuwindowopens.
3.SelecttherecoveryUSBdriveasthebootdevice.
4.Selectapreferredkeyboardlayout.
5.ClickTroubleshoottodisplayoptionalrecoverysolutions.
6.Selectacorrespondingrecoverysolutionaccordingtoyoursituation.Thenfollowtheinstructionson
thescreentocompletetheprocess.
Passwords
AsmanyasthreepasswordsmaybeneededforanyThinkPadnotebookcomputer:thepower-onpassword,
theharddiskpassword,andthesupervisorpassword.
30T470pHardwareMaintenanceManual
![](asset-25.png)
Ifanyofthesepasswordshasbeenset,apromptforitwillbedisplayedonthescreenwheneverthe
computeristurnedon.Thecomputerdoesnotstartuntilthepasswordisentered.
Note:Ifonlyasupervisorpasswordisset,thepasswordpromptwillnotbedisplayedwhentheoperating
systemisstarted.
Power-onpassword
Apower-onpasswordprotectsthesystemfrombeingpoweredonbyanunauthorizedperson.The
passwordmustbeenteredbeforeanoperatingsystemcanbestarted.Forinstructionsonhowtoremove
thepower-onpassword,see“Howtoremovethepower-onpassword”onpage31.
Harddiskpassword
Therearetwokindsofharddiskpasswords:
•Userharddiskpassword-fortheuser
•Masterharddiskpassword-forthesystemadministrator,whocanuseittogetaccesstotheharddisk
eveniftheuserhaschangedtheuserharddiskpassword
Note:Therearetwomodesfortheharddiskpassword:UseronlyandMaster+User.TheMaster+User
moderequirestwoharddiskpasswords;thesystemadministratorentersbothinthesameoperation.The
systemadministratorthenprovidestheuserharddiskpasswordtothesystemuser.
Attention:Iftheuserharddiskpasswordhasbeenforgotten,checkwhetheramasterharddiskpassword
hasbeenset.Ifithas,itcanbeusedforaccesstotheharddiskdrive.Ifnomasterharddiskpasswordis
available,neitherLenovonorLenovoauthorizedservicetechniciansprovideanyservicestoreseteither
theuserorthemasterharddiskpassword,ortorecoverdatafromtheharddiskdrive.Theharddiskdrive
canbereplacedforascheduledfee.
Forhowtoremovetheharddiskpassword,see“Howtoremovetheharddiskpassword”onpage32.
Supervisorpassword
ThesupervisorpasswordprotectsthesysteminformationstoredintheThinkPadSetupprogram.Itprovides
thefollowingsecurityfeatures:
•Ifonlyasupervisorpasswordisset,apasswordpromptisdisplayedwhenyoutrytostarttheThinkPad
Setupprogram.Unauthorizeduserscannotchangemostofthesystemconfigurationoptionsinthe
ThinkPadSetupprogramwithoutthepassword.
•Thesystemadministratorcanusethesupervisorpasswordtoaccessacomputereveniftheuserofthat
computerhassetapower-onpassword.Thesupervisorpasswordoverridesthepower-onpassword.
•ThesystemadministratorcansetthesamesupervisorpasswordonmanyThinkPadnotebookcomputers
tomakeadministrationeasier.
Attention:Ifthesupervisorpasswordhasbeenforgottenandcannotbemadeavailabletotheservice
technician,thereisnoserviceproceduretoresetthepassword.Thesystemboardmustbereplacedfor
ascheduledfee.
Howtoremovethepower-onpassword
Toremoveapower-onpassword,dothefollowing:
Ifnosupervisorpasswordhasbeenset,dothefollowingtoremovethepower-onpassword:
1.Turnoffthecomputer.
2.Removethebatterypack.Forinstructionsonhowtoremovethebatterypack,see“1020Battery
pack”onpage58.
Chapter4.Relatedserviceinformation31
![](asset-26.png)
3.Removethecoin-cellbattery.Forinstructionsonhowtoremovethecoin-cellbattery,see“1110
Coin-cellbattery”onpage72.Waitforafewseconds.
4.Reinstallthecoin-cellbattery.Forinstructionsonhowtoinstallthecoin-cellbattery,see“1110Coin-cell
battery”onpage72.
5.Reinstallthebatterypack.Forinstructionsonhowtoinstallthebatterypack,see“1020Batterypack”
onpage58.
6.Turnonthecomputerandwaituntilthepower-onself-test(POST)ends.AfterthePOSTends,the
passwordpromptdoesnotappear.Thepower-onpasswordhasbeenremoved.
Ifasupervisorpasswordhasbeensetandisknowntotheservicetechnician,dothefollowingtoremove
thepower-onpassword:
1.Turnonthecomputer.
2.Whenthelogoscreencomesup,immediatelypressF1.
3.TypethesupervisorpasswordtoentertheThinkPadSetupprogram.
4.SelectSecurity.
5.SelectPassword.
6.SelectPower-OnPassword.
7.TypethecurrentsupervisorpasswordintheEnterCurrentPasswordfield.thenleavetheEnter
NewPasswordfieldblank,andpressEntertwice.
8.IntheChangeshavebeensavedwindow,pressEnter.
9.PressF10tosavechangesandexittheThinkPadSetupprogram.
Howtoremovetheharddiskpassword
Attention:IfUseronlymodeisselectedandtheuserharddiskpasswordhasbeenforgottenandcannotbe
madeavailabletotheservicetechnician,neitherLenovonorLenovoauthorizedservicetechniciansprovide
anyservicestoresettheuserharddiskpasswordsortorecoverdatafromtheharddiskdrive.Toputthe
systembacktooperationalstatus,theonlyLenovoandLenovo-authorizedservicesolutionwouldbeto
replacetheharddiskdriveorsolid-statedrivewithascheduledfee.
Toremoveauserharddiskpasswordthathasbeenforgotten,whenthesupervisorpasswordandmaster
harddiskpasswordareknown,dothefollowing:
1.Turnonthecomputer.
2.Whenthelogoscreencomesup,immediatelypressF1toentertheThinkPadSetupprogram.
3.SelectSecurity.
4.SelectPassword.
5.SelectHarddiskxpassword,wherexistheletteroftheharddiskdrive.Apop-upwindowopens.
6.SelectMasterharddiskpassword.
7.TypethecurrentmasterharddiskpasswordintheEnterCurrentPasswordfield.ThenleavetheEnter
NewPasswordfieldblank,andpressEntertwice.
8.PressF10tosavechangesandexittheThinkPadSetupprogram.Theuserharddiskpasswordandthe
masterharddiskpasswordhavebeenremoved..
Powermanagement
Sleepmode
Whenthecomputerenterssleepmode,thefollowingeventsoccurinadditiontowhatoccursinscreen
blankmode:
•TheLCDispoweredoff.
32T470pHardwareMaintenanceManual
![](asset-27.png)
•Theharddiskdriveorsolid-statedriveispoweredoff.
•Themicroprocessorstops.
Toputyourcomputerintosleepmode,dothefollowing:
•ForWindows7:OpentheStartmenu,thenclickthearrownexttotheShutdownbutton.ClickSleep
fromthemenudisplayed.
•ForWindows10:OpentheStartmenu,clickPower,andthenclickSleep.
Incertaincircumstances,thecomputergoesintosleepmodeautomatically:
•Afteraperiodofinactivityspecifiedinpowerplansettings
•Whenthebatterypowerislow
Hibernationmode
Inhibernationmode,thefollowingoccurs:
•Thesystemstatus,randomaccessmemory(RAM),videorandomaccessmemory(VRAM),andsetup
dataarestoredontheharddiskdriveorsolid-statedrive.
•Thesystemispoweredoff.
Note:Ifthecomputerentersthehibernationmodewhileitisdockedtothedockingstationortheport
replicator,donotundockitbeforeresumingnormaloperation.Ifyoudoundockitandthentrytoresume
normaloperation,youwillgetanerrormessage,andyouwillhavetorestartthesystem.
Ifyouhavedefinedoneofthefollowingactionsastheeventthatcausesthesystemtogointohibernation
mode,performthataction.
•Closingthelid.
•Pressingthepowerbutton.
Also,thecomputergoesintohibernationmodeautomaticallyafteraperiodofinactivityspecifiedinpower
plansettings.
Whenthepoweristurnedon,thecomputerreturnsfromhibernationmodeandresumesoperation.The
hibernationfileinthebootrecordontheharddiskdriveorsolid-statedriveisread,andsystemstatusis
restoredfromtheharddiskdriveorsolid-statedrive.
Symptom-to-FRUindex
Thissectioncontainsfollowinginformation:
•“Numericerrorcodes”onpage34
•“Errormessages”onpage35
•“Beepsymptoms”onpage35
•“No-beepsymptoms”onpage37
•“LCD-relatedsymptoms”onpage37
•“Intermittentproblems”onpage37
•“Undeterminedproblems”onpage38
Thesymptom-to-FRUindexinthissectionlistssymptomsanderrorsandtheirpossiblecauses.Themost
likelycauseislistedfirst,inboldfacetype.
Note:DotheFRUreplacementorotheractionsinthesequenceshowninthecolumnheaded“FRUor
action,insequence.”IfreplacingaFRUdoesnotsolvetheproblem,puttheoriginalpartbackinthe
computer.DonotreplaceanondefectiveFRU.
Chapter4.Relatedserviceinformation33
![](asset-28.png)
Thisindexcanalsohelpyoudetermine,duringregularservicing,whatFRUsarelikelytoneedtobe
replacednext.
AnumericerrorisdisplayedforeacherrordetectedinPOSTorsystemoperation.Inthedisplays,ncan
beanynumber.
Ifnonumericcodeisdisplayed,checkthenarrativedescriptionsofsymptoms.Ifthesymptomisnot
describedthere,goto“Intermittentproblems”onpage37.
Note:ForadevicenotsupportedbydiagnosticcodesintheThinkPadnotebookcomputers,seethe
manualforthatdevice.
Numericerrorcodes
Table2.Numericerrorcodes
SymptomorerrorFRUoraction,insequence
0177
BadSVPdata,stopPOSTtask—Thechecksumofthe
supervisorpasswordintheEEPROMisnotcorrect.
Replacethesystemboard.
0183
BadCRCofSecuritySettingsinEFIVariable.Enterthe
ThinkPadSetupprogram.–ThechecksumoftheSecurity
settingsintheEFIVariableisnotcorrect.
1.RuntheThinkPadSetupprogram.Thesettings
willbecorrectedautomatically.Thensavethe
currentsettingsbypressingF10.
2.Replacethesystemboard.
0187
EAIAdataaccesserror—TheaccesstoEEPROMisfailed.
Replacethesystemboard.
0188
InvalidRFIDSerializationInformationArea.
Replacethesystemboard.
0189
InvalidRFIDconfigurationinformationarea—The
EEPROMchecksumisnotcorrect.
Replacethesystemboard.
0190
Criticallow-batteryerror
1.Chargethebatterypack.
2.Replacethebatterypack.
0191
SystemSecurity—InvalidRemoteChangerequested.
1.RuntheThinkPadSetupprogram,andthensave
currentsettingbypressingF10.
2.Replacethesystemboard.
0199
SystemSecurity—Securitypasswordretrycount
exceeded.
1.RuntheThinkPadSetupprogram.Theretrycount
willbereset.Thensavethecurrentsettingsby
pressingF10.
2.Replacethesystemboard.
0270
RealTimeClockError—SystemRealTimeClockisnot
functional.
1.RunThinkPadSetuptoresetthetimeanddate
2.Replacethecoin-cellbatteryandrunThinkPadSetup
toresetthetimeanddate.
0271
CheckDateandTimesettings.
1.RunThinkPadSetuptoresetthetimeanddate
2.Replacethecoin-cellbatteryandrunThinkPadSetup
toresetthetimeanddate.
1802
Unauthorizednetworkcardispluggedin—Turnoffand
removethenetworkcard.
1.Removenetworkcard.
2.Replacethesystemboard.
1820
Morethanoneexternalfingerprintreaderisattached.
Poweroffandremoveallbutthereaderthatyousetup
withinyourmainoperatingsystem.
Removeallbutthereaderthatyousetupforthe
authentication.
34T470pHardwareMaintenanceManual
![](asset-29.png)
Table2.Numericerrorcodes(continued)
SymptomorerrorFRUoraction,insequence
2100
DetectionerroronHDD0(MainHDD)
1.Reseattheharddiskdrive.
2.Replacethemainharddiskdrive.
3.Replacethesystemboard.
2103
DetectionerroronSSD1(M.2)
1.ReseattheM.2solid-statedrive.
2.ReplacetheM.2solid-statedrive.
3.Replacethesystemboard.
2110
ReaderroronHDD0(MainHDD)
1.Reseattheharddiskdrive.
2.Replacethemainharddiskdrive.
3.Replacethesystemboard.
2113
ReaderroronSSD1(M.2)
1.ReseattheM.2solid-statedrive.
2.ReplacetheM.2solid-statedrive.
3.Replacethesystemboard.
2200
MachineTypeandSerialNumberareinvalid.
Replacethesystemboard.
2201
MachineUUIDisinvalid
Replacethesystemboard.
Errormessages
Table3.Errormessages
SymptomorerrorFRUoraction,insequence
Fanerror.1.Replacethethermalfanassembly.
2.Applythermalgrease.
3.Replacethesystemboard.
Thermalsensingerror.Replacethesystemboard.
Thebatteryinstalledisnotsupportedbythissystem
andwillnotcharge.Pleasereplacethebatterywiththe
correctLenovobatteryforthissystem.PresstheESC
keytocontinue.
Replacethebatterypack.
Thissystemdoesnotsupportbatteriesthatarenot
genuineLenovomadeorauthorized.Thesystemwill
continuetoboot,butmaynotchargeunauthorized
batteries.PresstheESCkeytocontinue.
Attention:Lenovohasnoresponsibilityforthe
performanceorsafetyofunauthorizedbatteries,and
providesnowarrantiesforfailuresordamagearisingout
oftheiruse.
Replacethebatterypack.
Beepsymptoms
LenovoSmartBeeptechnologyenablesyoutodecodebeeperrorswithyoursmartphonewhenablack
screenoccurswithbeepsfromyourcomputer.TodecodethebeeperrorwithLenovoSmartBeep
technology,dothefollowing:
1.Gotohttps://support.lenovo.com/smartbeeporscanthefollowingQRCode.
Chapter4.Relatedserviceinformation35
![](asset-2a.png)
2.Downloadtheproperdiagnosticappandinstallitonyoursmartphone.
3.Runthediagnosticappandplacethesmartphonenearthecomputer.
4.PresstheFnkeyonyourcomputertoemitthebeepagain.Thediagnosticappdecodesthebeeperror
andshowspossiblesolutionsonthesmartphone.
Thefollowingsectiondescribessomebeeperrorsandthecorrespondingsolutions.
Note:DonotattempttoserviceaproductyourselfunlessinstructedtodosobytheCustomerSupport
Centerorproductdocumentation.OnlyuseaLenovo-authorizedserviceprovidertorepairyourproduct.
ErrorcodesSolutions
0001:Reseterror(platformresetnotde-asserted)1.Removeallpowerresources(theacpoweradapter,
removablebattery,andcoin-cellbattery).Ifyour
computerhasabuilt-inbattery,resetthecomputer
byinsertingastraightenedpaperclipintothe
emergency-resethole.Waitforoneminute.Then
reconnectallpowerresources.
2.Replacethesystemboard(serviceprovideronly).
0002:InternalbuserrorReplacethesystemboard(serviceprovideronly).
0281:GeneralembeddedcontrollererrorReplacethesystemboard(serviceprovideronly).
0282:Memorymoduleerror1.Reinstallorreplacethememorymodule.
2.Replacethesystemboard(serviceprovideronly).
0283:PCIresourceerror1.RemovePCIedevices(theM.2card,PCIecard,
andsoon)(serviceprovideronly).
2.Replacethesystemboard(serviceprovideronly).
0284:TCG-compliantfunctionality-relatederror(mightbe
theBIOScodevalidationfailure)
Replacethesystemboard(serviceprovideronly).
0285:TCG-compliantfunctionality-relatederror(mightbe
theTPMinitializationfailure)
Replacethesystemboard(serviceprovideronly).
0286:IntegratedgraphicserrorReplacethesystemboard(serviceprovideronly).
0287:Discretegraphicserror1.Reinstallorreplacethediscretegraphicscard
(serviceprovideronly).
2.Replacethesystemboard(serviceprovideronly).
0288:Computerdisplayerror1.Reconnectthedisplaycableonboththesystem
boardsideandthecomputerdisplayside(service
provideronly).
2.Replacethesystemboard(serviceprovideronly).
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No-beepsymptoms
Table4.No-beepsymptoms
SymptomorerrorFRUoraction,insequence
Nobeep,power-onindicatoron,LCDblank,andno
POST.
1.Ensurethateveryconnectorisconnectedtightly
andcorrectly.
2.Reseatmemorymodule.
3.Replacethesystemboard.
Nobeep,power-onindicatoron,andLCDblankduring
POST.
1.Reseatmemorymodule.
2.Replacethesystemboard.
Thepower-onpasswordpromptappears.Apower-onpasswordorasupervisorpasswordisset.
TypethepasswordandpressEnter.
Theharddiskpasswordpromptappears.Aharddiskpasswordisset.Typethepasswordand
pressEnter.
LCD-relatedsymptoms
Important:TheTFTLCDforthenotebookcomputercontainsmanythin-filmtransistors(TFTs).The
presenceofasmallnumberofdotsthataremissing,discolored,oralwayslightedischaracteristicofTFT
LCDtechnology,butexcessivepixelproblemscancauseviewingconcerns.IftheLCDyouareservicinghas
twoorlessvisibledefectivepixels,itshouldnotbeconsideredfaulty.However,iftheLCDhasthreeormore
visibledefectivepixels,itwillbedeemedasdefectivebyLenovoanditshouldbereplaced.
Notes:
•ThispolicyappliestoallThinkPadnotebookspurchasedon1January,2008orlater.
•LenovowillnotprovidewarrantyreplacementiftheLCDiswithinspecificationsbecausewecannot
guaranteethatanyreplacementLCDwillhavezeropixeldefects.
•OnepixelconsistsofR,G,Bsub-pixels.
Table5.LCD-relatedsymptoms
SymptomorerrorFRUoraction,insequence
Nobeep,power-onindicatoron,andablankLCDduring
POST.
Replacethesystemboard.
•LCDbacklightnotworking.
•LCDtoodark.
•LCDbrightnesscannotbeadjusted.
•LCDcontrastcannotbeadjusted.
1.ReseattheLCDcable.
2.ReplacetheLCDunit.
3.Replacethesystemboard.
•LCDscreenunreadable.
•Charactersmissingpixels.
•Screenabnormal.
•Wrongcolordisplayed.
1.Seeimportantnotefor“LCD-relatedsymptoms.”
2.ReseatallLCDcable.
3.ReplacetheLCDunit.
4.Replacethesystemboard.
HorizontalorverticallinesdisplayedonLCD.ReplacetheLCDunit.
Intermittentproblems
Intermittentsystemhangproblemscanbeduetoavarietyofcausesthathavenothingtodowithahardware
defect,suchascosmicradiation,electrostaticdischarge,orsoftwareerrors.FRUreplacementshouldbe
consideredonlywhenaproblemrecurs.
Whenanalyzinganintermittentproblem,dothefollowing:
1.Runthediagnostictestforthesystemboardinloopmodeatleast10times.
Chapter4.Relatedserviceinformation37
![](asset-2c.png)
2.Ifnoerrorisdetected,donotreplaceanyFRUs.
3.Ifanyerrorisdetected,replacetheFRUshownbytheFRUcode.Rerunthetesttoverifythatno
moreerrorsexist.
Undeterminedproblems
Ifthediagnostictestsdidnotidentifytheadapterordevicethathasfailed,ifwrongdevicesareinstalled,
orifthesystemsimplyisnotoperating,followtheseprocedurestoisolatethefailingFRU(donotisolate
FRUsthathavenodefects).
Verifythatallattacheddevicesaresupportedbythecomputer.
Verifythatthepowersupplybeingusedatthetimeofthefailureisoperatingcorrectly.See“Powersystem
checkout”onpage26.
1.Turnoffthecomputer.
2.VisuallycheckeachFRUfordamage.ReplaceanydamagedFRU.
3.Removeordisconnectallofthefollowingdevices:
a.Non-ThinkPaddevices
b.Devicesattachedtothedockingstationortheportreplicator
c.Printer,mouse,andotherexternaldevices
d.Batterypack
e.Harddiskdriveorsolid-statedrive
f.Externaldiskettedriveoropticaldrive
g.Memorymodule
h.PCcards
4.Turnonthecomputer.
5.Determinewhethertheproblemhasbeensolved.
6.Iftheproblemdoesnotrecur,reconnecttheremoveddevicesoneatatimeuntilyoufindthefailingFRU.
7.Iftheproblemremains,replacethefollowingFRUsoneatatime(donotreplaceanondefectiveFRU):
a.Systemboard
b.LCDunit
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![](asset-2d.png)
Chapter5.Functionkeys
Thefollowinglistdescribesthefunctionsoffunctionkeysandkeycombinations.
•+SwitchthekeyfunctionbetweenthestandardF1–F12functionandthespecialfunction
printedasanicononeachkey.WhentheFnLockindicatorisoff,youcanusethedefaultfunction.You
canchangethedefaultfunctionintheKeyboardPropertieswindow.
•Muteorunmutethespeakers.
Ifyoumutethesoundandturnoffyourcomputer,thesoundwillremainmutedwhenyouturnonyour
computer.Toturnonthesound,pressor.
•Decreasethespeakervolume.
•Increasethespeakervolume.
•Muteorunmutethemicrophones.
•Darkenthecomputerdisplay.
•Brightenthecomputerdisplay.
•Manageexternaldisplays.
•Enableordisablethebuilt-inwirelessfeatures.
•OpentheSettingswindow.
•Enableordisablethebuilt-inBluetoothfeatures.
•Openakeyboardsettingpage.
•Invokethefunctiondefinedbyyourself.Ifnofunctionisdefined,pressthiskeytoopenthe
Cortanapersonalassistant.
TodefineorchangetheactionfortheF12key,dothefollowing:
1.OpentheLenovoSettingsprogram.
2.Clicktheinputicon.
3.LocatetheKEYBOARD:USER-DEFINEDKEYsectionandfollowtheinstructionsonthescreento
completethesetting.
OntheInputpage,youcanalsodefinedifferentfunctionsforthekeycombinationswithF12,suchas
Shift+F12,Alt+F12,orCtrl+F12.
•Fn+B:ThiskeycombinationhasthesamefunctionastheBreakkeyonaconventionalexternalkeyboard.
•Fn+K:ThiskeycombinationhasthesamefunctionastheScrLKorScrollLockkeyonaconventional
externalkeyboard.
•Fn+P:ThiskeycombinationhasthesamefunctionasthePausekeyonaconventionalexternalkeyboard.
•Fn+S:ThiskeycombinationhasthesamefunctionastheSysRqkeyonaconventionalexternalkeyboard.
•Fn+4:PressFn+4toputthecomputerintosleepmode.Towakeupthecomputer,pressanykeyor
thepowerbutton.
©CopyrightLenovo201739
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40T470pHardwareMaintenanceManual
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Chapter6.Locations
Thischapterintroducesthelocationsofthehardwarecomponentsonyourcomputer.
Locatingcomputercontrols,connectors,andindicators
Thistopicintroducesthelocationsofthecomputercontrols,connectors,andindicators.
Frontview
1Camera(availableonsomemodels)2Microphones(availableonsomemodels)
3Powerbutton4Fingerprintreader
5TrackPoint®pointingstick6Trackpad
7Media-cardslot8TrackPointbuttons
9Screen(multi-touchavailableonsomemodels)
Sideviews
1acpowerconnector2AlwaysOnUSB3.0connector
3Fanlouvers4Audioconnector
5Smart-cardslot(availableonsomemodels)
©CopyrightLenovo201741
![](asset-30.png)
1Micro-SIM-cardslot2USB3.0connectors
3Ethernetconnector4MiniDisplayPort®connector
5HDMI™connector6Security-lockslot
Bottomview
1Removablebattery2Dockingstationconnector(availableonsomemodels)
3Keyboarddrainageholes4Speakers
42T470pHardwareMaintenanceManual
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Statusindicators
1Camerastatusindicator
Whenthisindicatorison,thecameraisinuse.
27Systemstatusindicators
TheindicatorintheThinkPadlogoonthecomputerlidandtheindicatorinthepowerbuttonshowthe
systemstatusofyourcomputer.
•Blinksforthreetimes:Thecomputerisinitiallyconnectedtopower.
•On:Thecomputerison(innormalmode).
•Off:Thecomputerisofforinhibernationmode.
•Blinksquickly:Thecomputerisenteringsleeporhibernationmode.
•Blinksslowly:Thecomputerisinsleepmode.
Chapter6.Locations43
![](asset-32.png)
3CapsLockindicator
Whenthisindicatorison,youcantypeuppercaselettersbydirectlypressingtheletterkeys.
4FnLockindicator
ThisindicatorshowsthestatusofFnLockfunction.Formoreinformation,seeChapter5“Functionkeys”
onpage39.
5Speaker-muteindicator
Whenthisindicatorison,thespeakersaremuted.
6Microphone-muteindicator
Whenthisindicatorison,themicrophonesaremuted.
8acpowerstatusindicator
Thisindicatorshowstheacpowerandbatterypowerstatusofthecomputer.
•Green:connectedtoacpower(batterypower80%–100%)
•Yellow:connectedtoacpower(batterypower0%–80%)
•Off:notconnectedtoacpower
LocatingFRUsandCRUs
Thistopicintroducesthefollowingserviceparts:
•“MajorFRUsandCRUs”onpage45
•“LCDFRUs”onpage47
•“Miscellaneousparts”onpage48
Notes:
•CRUstatementforcustomers:
Youcanresolvesomeproblemswithyourproductwithareplacementpartyoucaninstallyourself,calleda
“CustomerReplaceableUnit”or“CRU.”Installationofself-serviceCRUsisyourresponsibility.Ifyouintend
oninstallingtheCRU,LenovowillshiptheCRUtoyou.CRUinformationandreplacementinstructionsare
shippedwithyourproductandareavailablefromLenovoatanytimeuponrequest.Y oucanfindalistofCRUs
foryourproductinthisHardwareMaintenanceManual.Anelectronicversionofthismanualcanbefoundat
http://www.lenovo.com/support.ClickGuides&Manualsandthenfollowtheon-screeninstructionstofind
themanualforyourproduct.YoumightberequiredtoreturnthedefectivepartthatisreplacedbytheCRU.
Whenreturnisrequired:(1)returninstructions,aprepaidshippinglabel,andacontainerwillbeincludedwith
thereplacementCRU;and(2)youmightbechargedforthereplacementCRUifLenovodoesnotreceivethe
defectiveCRUwithinthirty(30)daysofyourreceiptofthereplacementCRU.SeeyourLenovoLimitedWarranty
documentationforfulldetails.
ThinkPadcomputerscontainthefollowingtypesofCRUs:
–Self-serviceCRUs:Refertopartsthatcanbeinstalledorreplacedeasilybycustomerthemselvesorbytrained
servicetechniciansatanadditionalcost.
–Optional-serviceCRUs:Refertopartsthatcanbeinstalledorreplacedbycustomerswithagreaterskilllevel.
Trainedservicetechnicianscanalsoprovideservicetoinstallorreplacethepartsunderthetypeofwarranty
designatedforthecustomer’smachine.
•FRUs:Refertopartsthatmustbeinstalledorreplacedonlybytrainedservicetechnicians.Ifcustomerschooseto
replacetheFRUsbythemselves,theproductwarrantymightbeaffected.
•EachFRU/CRUisavailableforalltypesormodels,unlessotherwisespecified.
•ASelf-serviceCRUisidentifiedbyasingleasterisk(*)intheCRUIDcolumn.AnOptional-serviceCRUisidentified
bytwoasterisks(**).AnNintheCRUIDcolumnmeansthatthepartisnotaCRU.
•FRUsmarkedwithOPareavailableasoptions.
44T470pHardwareMaintenanceManual
![](asset-34.png)
Table6.MajorFRUsandCRUs
No.FRUdescriptionFRUID
1LCDunit(see“LCDFRUs”onpage47)N
2Keyboard**
3Keyboardbezelassemblywith:
7Fingerprintreaderbracket
8Fingerprintreadercable
9Fingerprintreadercard
N
4DockingconnectorbracketN
5SystemboardN
6HDMIcardN
10Memorymodule*
11M.2solid-statedriveadapter*
12M.2solid-statedrive*
132.5-inchstoragedrive*
14SpeakerassemblyN
15Battery*
16Basecoverassembly*
17Micro-SIM-cardtray(availableonsomemodels)*
18DummySIM-cardcover(availableonsomemodels)N
19RecoveryUSBN
20Miscellaneousparts(see“Miscellaneousparts”onpage48)N
21Powercord*
22acpoweradapter*
23Keyboardrubbers*
24Coin-cellbattery**
25WirelessWANcard**
26WirelessLANcard**
27Smart-card-readerbracketN
28Smart-card-readercableN
29SmartcardreaderN
30DummysmartcarddoorN
31AudiocardN
32ThermalfanassemblyN
33USBcard**
34USBcardcableN
35DC-incableassemblyN
36TrackpadcableN
37TrackpadN
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Table7.LCDFRUs
No.FRUdescriptionsFRUID
1LCDbezelN
2Camera/microphonecardN
3LCDpanelN
4AntennakitN
5LCDhingesN
6LCDrearcoverassemblyN
7LCDcableN
Miscellaneousparts
Table8.Miscellaneouspart
FRUdescriptionsFRUID
Screwkit
•M2.0xL4.0,black(4)
•M2.0xL3.0,black(25)
•M2.0xL4.0,black(5)
•M2.0xL3.0,silver(4)
•M2.5xL6.0,black(5)
•M2.5xL2.5,flathead,silver(6)
N
LabelkitN
Connectorandcableguide
ThissectionprovidesinformationforLenovoauthorizedservicetechnicianstohelpidentifyconnectorsand
cablesforreplacementpurpose.TovieweachFRUandtheexplodedillustrationofthecomputer,see“Major
FRUsandCRUs”onpage45and“LCDFRUs”onpage47.
Note:Dependingonyourmodel,someconnectorsorcablesmightnotbeavailable.
Systemboardconnectorsandcables
48T470pHardwareMaintenanceManual
![](asset-37.png)
ItemConnector/slot(location)Internalcable
required
Cable/partconnection
1WirelessLANcardslot(internal)NoInsertthewirelessLANcardintothisslot.
2Batteryconnector(external)NoConnectthebatterydirectlytothisconnector.
3Dockingconnector(external)NoConnectasupporteddockingstationtoyour
computerthroughthisconnector.
4DC-inconnector(internal)DC-incableThepowerconnectorofthecomputercomes
withthedc-incable.Connectthecabletothis
connector.
5USBcardconnector(internal)USBcardcableConnectoneendtotheUSBcardandtheother
endtothisconnector.
6LCDconnector(internal)LCDcable
assembly
Connectoneendtothisconnector,oneend
totheLCDpanel,andtheotherendtothe
camera/microphonecard.
7Coin-cellbatteryconnector
(internal)
Coin-cellbattery
cable
Thecoin-cellbatterycomeswithcable.Connect
thecabletothisconnector.
8Smart-card-readerconnector
(internal)
Smart-card-reader
cable
Connectoneendtothesmartcardreaderand
theotherendtothisconnector.
9Speakerconnector(internal)Speakerassembly
cable
Thespeakerassemblycomeswithcable.
Connectthecabletothisconnector.
10Thermalfanconnector(internal)Thermalfan
assemblycable
Thethermalfanassemblycomeswithcable.
Connectthecabletothisconnector.
11Memorymoduleslot(internal)NoInsertthememorymoduleintothisslot.
12Storagedriveconnector
(internal)
NoConnectthestoragedrivetothisconnector
directly.
13Trackpadconnector(internal)TrackpadcableThekeyboardbezelassemblycomeswith
trackpadcable.Connectthecabletothis
connector.
14WirelessWANcardconnector
(internal)
NoInsertthewirelessWANcardintothisslot.
15Fingerprintreaderconnector
(internal)
Fingerprintreader
cable
Thekeyboardbezelassemblycomeswith
fingerprintreadercable.Connectthecableto
thisconnector.
16USB3.0connectors(external)NoConnectUSB-compatibledevicestothis
connector.
Chapter6.Locations49
![](asset-38.png)
ItemConnector/slot(location)Internalcable
required
Cable/partconnection
17Ethernetconnector(external)NoConnectthecomputertoaLANthroughthis
connector.
18MiniDisplayPortconnector
(external)
NoConnectacompatibleprojector,externalmonitor,
orhigh-definitiontelevisiontothisconnector.
19HDMIcardconnector(internal)NoConnecttheHDMIcardtothisconnectordirectly.
20Keyboardconnector(internal)KeyboardcableThekeyboardassemblycomeswithkeyboard
cable.Connectthecabletothisconnector.
21TrackPointconnector(internal)TrackPointcableThekeyboardassemblycomeswithTrackPoint
cable.Connectthecabletothisconnector.
22Audiocardconnector(internal)NoConnecttheaudiocardtothisconnectordirectly.
Camera/microphonecardconnectorandcable
ItemConnector(location)Internalcable
required
Cableconnection
1Camera/LEDconnector(internal)LCDcable
assembly
Connectoneendtothisconnector,oneendto
theLCDpanel,andtheotherendtothesystem
board.
Audiocardconnectorsandcables
ItemConnector(location)Internalcable
required
Cableconnection
1Audiocardconnector(internal)NoConnecttothesystemboarddirectly
2Audioconnector(external)NoConnectheadphonesoraheadsetwith3.5-mm
(0.14-inch)4-poleplugtothisconnector.
HDMIcardconnectorsandcables
50T470pHardwareMaintenanceManual
![](asset-39.png)
ItemConnector(location)Internalcable
required
Cableconnection
1HDMIconnector(external)NoConnectacompatibledigitalaudiodeviceor
videomonitortothisconnector.
2HDMIcardconnector(internal)NoConnecttothesystemboarddirectly.
USBcardconnectorsandcables
ItemConnector(location)Internalcable
required
Cableconnection
1USBcardconnectorUSBcardcableConnectoneendtothesystemboardandthe
otherendtothisconnector.
2Always-onUSB3.0connector
(external)
NoConnectUSB-compatibledevicestothis
connector.
LookingupFRUinformation
FordetailedFRUinformation,includingpartnumbers,descriptions,andsubstitutionpartnumbers,goto:
http://www.lenovo.com/serviceparts-lookup
Chapter6.Locations51
![](asset-3a.png)
52T470pHardwareMaintenanceManual
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Chapter7.FRUreplacementnotices
Thischapterpresentsnoticesrelatedtoremovingandreplacingparts.Readthischaptercarefullybefore
replacinganyFRU.
CRUstatementforcustomers:
Youcanresolvesomeproblemswithyourproductwithareplacementpartyoucaninstallyourself,called
a“CustomerReplaceableUnit”or“CRU.”SomeCRUsaredesignatedasself-serviceCRUsandothers
aredesignatedasoptional-serviceCRUs.Installationofself-serviceCRUsisyourresponsibility.For
optional-serviceCRUs,youcaneitherinstalltheCRUyourselforyoucanrequestthataServiceProvider
installtheCRUaccordingtothewarrantyserviceforyourproduct.IfyouintendoninstallingtheCRU,
LenovowillshiptheCRUtoyou.CRUinformationandreplacementinstructionsareshippedwithyour
productandareavailablefromLenovoatanytimeuponrequest.YoucanfindalistofCRUsforyour
productinthisHardwareMaintenanceManual.Anelectronicversionofthismanualcanbefoundat
http://www.lenovo.com/support.ClickGuides&Manualsandthenfollowtheon-screeninstructionstofind
themanualforyourproduct.YoumightberequiredtoreturnthedefectivepartthatisreplacedbytheCRU.
Whenreturnisrequired:(1)returninstructions,aprepaidshippinglabel,andacontainerwillbeincluded
withthereplacementCRU;and(2)youmightbechargedforthereplacementCRUifLenovodoesnot
receivethedefectiveCRUwithinthirty(30)daysofyourreceiptofthereplacementCRU.SeeyourLenovo
LimitedWarrantydocumentationforfulldetails.
Screwnotices
Loosescrewscancauseareliabilityproblem.IntheThinkPadnotebookcomputer,thisproblemisaddressed
withspecialnylon-coatedscrewsthathavethefollowingcharacteristics:
•Theymaintaintightconnections.
•Theydonoteasilycomeloose,evenwithshockorvibration.
•Theyarehardertotighten.
Dothefollowingwhenyouservicethismachine:
•Keepthescrewkitinyourtoolbag.Forthepartnumberofthescrewkit,goto
http://www.lenovo.com/serviceparts-lookup.
•Itisrecommendedtousenewscrews.
•Itisrecommendedtouseeachscrewonlyonce.
Tightenscrewsasfollows:
•Plastictoplastic
Turnanadditional90degreesafterthescrewheadtouchesthesurfaceoftheplasticpart.
90degreesmore
(Cross-section)
•Logiccardtoplastic
Turnanadditional180degreesafterthescrewheadtouchesthesurfaceofthelogiccard.
©CopyrightLenovo201753
![](asset-3c.png)
180degreesmore
(Cross-section)
Notes:
•Ensurethatyouusethecorrectscrew.Itisrecommendedtousenewscrewsforreplacements.Ifyou
haveatorquescrewdriver,tightenallscrewsfirmlytothetorquespecifiedinthescrewinformation
tableforeachstep.
•Ensurethattorquescrewdriversarecalibratedcorrectlyfollowingcountryspecifications.
Retainingserialnumbers
Thistopicprovidesinstructionsonthefollowing:
•“Restoringtheserialnumberofthesystemunit”onpage54
•“RetainingtheUUID”onpage55
Restoringtheserialnumberofthesystemunit
Whenthecomputerwasmanufactured,theEEPROMonthesystemboardwasloadedwiththeserial
numbersofthesystemandallmajorcomponents.Thesenumbersneedtoremainthesamethroughout
thelifeofthecomputer.
Ifyoureplacethesystemboard,youmustrestoretheserialnumberofthesystemunittoitsoriginalvalue.
Theserialnumberofthesystemunitiswrittenonthelabelattachedtothebottomofthecomputer.
Ifyoucannotfindtheserialnumberofthesystemunitonthebottomofthecomputer,trythefollowing
methodtogetthenumber:
Note:Beforeyouperformtheoperation,ensurethattheUEFI/LegacysettingwithintheStartupmenuin
theThinkPadSetupprogramissettoUEFIOnly.
1.ConnectaUSBmemorykeytothecomputer.
2.Gotohttp://www.lenovo.com/maintenanceutilitiesandfollowtheinstructionsonthescreentocreatea
MaintenanceKey.
Note:OnlyanauthorizedLenovoservicetechniciancanaccesstheaboveWebsite.
3.Restartthecomputer.
4.Whenthelogoisdisplayed,pressEsc.TheThinkPadConfigInformationUpdateUtilityinterfaceis
displayed.
5.Type1underEntertheactiondesired,thenpressEnter.TheThinkPadSerialNumberUpdateUtilityfor
AssetIDscreenisdisplayed.
6.Type2underEntertheactiondesired,thenpressEnter.Theserialnumberofeachdeviceinyour
computerisdisplayed;theserialnumberofthesystemunitislistedasfollows:
20-Serialnumber
7.Recordtheserialnumberofthesystemunit.
Afteryoureplacethesystemboard,dothefollowingtorestoretheserialnumberofthesystemunit:
1.ConnecttheMaintenanceKeytothecomputer.
54T470pHardwareMaintenanceManual
![](asset-3d.png)
2.Whenthelogoisdisplayed,pressEsc.TheThinkPadConfigInformationUpdateUtilityinterfaceis
displayed.
3.Type1underEntertheactiondesired,thenpressEnter.TheThinkPadSerialNumberUpdateUtilityfor
AssetIDscreenisdisplayed.
4.Type1underEntertheactiondesired,thenpressEnter.Thenfollowtheinstructionsonthescreen
torestoretheserialnumberofthesystemunit.
RetainingtheUUID
TheUniversallyUniqueIdentifier(UUID)isa128-bitnumberuniquelyassignedtoyourcomputerat
productionandstoredintheEEPROMofyoursystemboard.
ThealgorithmthatgeneratesthenumberisdesignedtoprovideuniqueIDsuntiltheyearA.D.3400.Notwo
computersintheworldhavethesamenumber.
Whenyoureplacethesystemboard,performthefollowingstepstocreateanewUUIDforthesystem
boardifthesystemboarddoesnothaveaUUID:
Note:Beforeyouperformtheoperation,ensurethattheUEFI/LegacysettingwithintheStartupmenuin
theThinkPadSetupprogramissettoUEFIOnly.
1.ConnectaUSBmemorykeytothecomputer.
2.Gotohttp://www.lenovo.com/maintenanceutilitiesandfollowtheinstructionsonthescreentocreatea
MaintenanceKey.
Note:OnlyanauthorizedLenovoservicetechniciancanaccesstheaboveWebsite.
3.Restartthecomputer.
4.Whenthelogoscreenisdisplayed,pressEsc.TheThinkPadConfigInformationUpdateUtilityinterface
isdisplayed.
5.Type2underEntertheactiondesired,thenpressEnter.TheAutoUUIDgenerationutilityinterfaceis
displayed.
6.TypeyunderChangeUUID.OK?[Y/N],thenpressEnter.AnewUUIDiscreatedandwritten.Ifa
validUUIDalreadyexists,itisnotoverwritten.
ReadingorwritingtheECAinformation
InformationonEngineeringChangeAnnouncements(ECA)isstoredintheEEPROMofthesystemboard.
TheelectronicstorageofthisinformationsimplifiestheproceduretocheckiftheECAhasbeenpreviously
appliedtoamachine.ThemachinedoesnotneedtobedisassembledtocheckfortheECAapplication.
TocheckwhatECAshavebeenpreviouslyappliedtothemachine,usetheECAInformationRead/Write
functionontheLENOVOThinkPadHardwareMaintenanceDisketteorMaintenanceKey.
1.InsertthelatestversionofLENOVOThinkPadHardwareMaintenanceDisketteorMaintenanceKey,
andthenrestartthecomputer.
2.Fromthemainmenu,select6.SetECAInformation.
3.ToreadtheECAinformation,select2.ReadECA/reworknumberfromEEPROMandfollowthe
instructionsonthescreen;Toreadboxbuilddate,select5.ReadboxbuilddatefromEEPROM,and
followtheinstructionsonthescreen.
AfteranECAhasbeenappliedtothemachine,theEEPROMmustbeupdatedtoreflecttheECA's
application.UsethelatestversionofLENOVOThinkPadHardwareMaintenanceDisketteorMaintenance
KeytoupdatetheEEPROM.
Note:OnlytheECAnumberisstoredintheEEPROM.ThemachinetypeoftheECAisassumedtobethe
sameasthemachinetypeofthemachinethathadtheECAappliedtoit.
Chapter7.FRUreplacementnotices55
![](asset-3e.png)
1.InsertthelatestversionofLENOVOThinkPadHardwareMaintenanceDisketteorMaintenanceKey,
andthenrestartthecomputer.
2.Fromthemainmenu,select6.SetECAInformation.
3.TowritetheECAinformation,select1.WriteECA/reworknumberfromEEPROM,andfollowthe
instruction;Towriteboxbuilddate,select4.WriteboxbuilddatefromEEPROM,andfollowthe
instructiononthescreen.
Ifthesystemboardisbeingreplaced,trytoreadtheECAinformationfromtheoldsystemboardandtransfer
theinformationtothenewsystem.Ifthesystemboardisinoperable,thiswillnotbepossible.
56T470pHardwareMaintenanceManual
![](asset-3f.png)
Chapter8.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 oucanfindalistofCRUsforyourproduct
inthisHardwareMaintenanceManual.Anelectronicversionofthismanualisavailablefordownloadingat
http://www.lenovo.com/support.YoumightberequiredtoreturnthedefectiveCRU.Whenreturnisrequired:
(1)returninstructions,aprepaidshippinglabel,andacontainerwillbeincludedwiththereplacement
CRU;and(2)youmightbechargedforthereplacementCRUifLenovodoesnotreceivethedefective
partwithinthirty(30)daysofyourreceiptofthereplacementCRU.SeeyourLenovoLimitedWarranty
documentationforfulldetails.
Generalguidelines
WhenremovingorreplacingaFRU,besuretoobservethefollowinggeneralguidelines:
1.Donottrytoserviceanycomputerunlessyouhavebeentrainedandcertified.Anuntrainedpersonruns
theriskofdamagingparts.
2.BeforereplacinganyFRU,reviewChapter7“FRUreplacementnotices”onpage53.
3.BeginbyremovinganyFRUsthathavetoberemovedbeforereplacingthefailingFRU.AnysuchFRUs
arelistedatthebeginningofeachFRUreplacementsection.Removethemintheorderinwhichthey
arelisted.
4.FollowthecorrectsequenceinthestepsforremovingaFRU,asgivenintheillustrationsbythe
numbersinsquarecallouts.
5.Whenturningascrew,turnitinthedirectionasgivenbythearrowintheillustration.
6.WhenremovingaFRU,moveitinthedirectionasgivenbythearrowintheillustration.
7.ToputthenewFRUinplace,reversetheremovalprocedureandfollowanynotesthatpertainto
replacement.
8.WhenreplacingaFRU,usethecorrectscrewsasshowninthereplacementprocedures.
DANGER
BeforeremovinganyFRU,turnoffthecomputer,unplugallpowercordsfromelectricaloutlets,and
thendisconnectanyinterconnectingcables.
Attention:AfterreplacingaFRU,donotturnonthecomputeruntilyouhavemadesurethatallscrews,
springs,andothersmallpartsareinplaceandnonearelooseinsidethecomputer.Verifythisbyshaking
thecomputergentlyandlisteningforrattlingsounds.Metallicpartsormetalflakescancauseelectrical
shortcircuits.
Attention:Thesystemboardissensitiveto,andcanbedamagedby,electrostaticdischarge(ESD).
Beforetouchingit,establishpersonalgroundingbytouchingagroundpointwithonehandorbyusingan
electrostaticdischargestrap.
©CopyrightLenovo201757
![](asset-40.png)
1010Micro-SIM-cardtray
Removalstepsofthemicro-SIM-cardtray
2
1
1020Batterypack
Importantnoticesforreplacingabatterypack
Attention:Lenovohasnoresponsibilityfortheperformanceorsafetyofunauthorizedbatteries,and
providesnowarrantiesforfailuresordamagearisingoutoftheiruse.
TheLenovoSolutionCenterprogramprovidesanautomaticbatterydiagnostictestthatdeterminesifthe
batterypackisdefective.AbatterypackFRUshouldnotbereplacedunlessthisdiagnostictestshows
thatthebatteryisdefective.Theonlyexceptiontothisisifthebatterypackisphysicallydamagedora
customerisreportingapossiblesafetyissue.
IftheLenovoSolutionCenterprogramisnotinstalledonthecomputer,thecustomershoulddownloadand
installtheprogramtodiagnosethebatterypack,beforegettinganon-physicallydamagedbatterypack
replaced.Notethatthereplacementofaphysicallydamagedbatterypackisnotcoveredbythewarranty.
Removalstepsofthebatterypack
DANGER
Useonlytheauthorizedbatteryspecifiedforyourcomputer.Anyotherbatterycouldigniteor
explode.
58T470pHardwareMaintenanceManual
![](asset-41.png)
1
1
2
1
2
1030Keyboardrubbers
Foraccess,removethisFRU:
•“1020Batterypack”onpage58
Removalstepsofthekeyboardrubbers
1040Keyboard
Foraccess,removetheseFRUsinorder:
•“1020Batterypack”onpage58
•“1030Keyboardrubbers”onpage59
Removalstepsofthekeyboard
Note:Donotpressorholdthekeyswhileslidingthekeyboardframe.Otherwise,thekeyboardframe
cannotbemoved.
Chapter8.RemovingorreplacingaFRU59
![](asset-42.png)
1
2
3
4
60T470pHardwareMaintenanceManual
![](asset-44.png)
8
8
9
62T470pHardwareMaintenanceManual
![](asset-46.png)
12
13
1050Basecoverassembly
Foraccess,removetheseFRUsinorder:
•“1010Micro-SIM-cardtray”onpage58
•“1020Batterypack”onpage58
•“1030Keyboardrubbers”onpage59
Note:Dependingonthecomputermodel,yourcomputermightlookdifferentfromtheillustrationsin
thistopic.
Removalstepsofthebasecoverassembly
Note:Loosenthescrews1.Thescrews1cannotberemoved.
64T470pHardwareMaintenanceManual
![](asset-47.png)
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
3
Applyinglabelstothebasecoverassembly:
Thefollowingillustrationandtableshowthelabelareasandwhatlabelsareappliedineacharea.
123
4
5
6
7
8
9
Label
area
Labelsinthearea
1Systemlabel
GEOlabelUS/LA/AP/JP/Taiwan/EMEA/Korea
Koreasafetylabel
Batteryinformationlabel
TaiwanwirelessWANlabel
IndonesiaPostellabel
FCC/IClabel
Indonesiaratinglabel
ArgentinaCNClabel
Chapter8.RemovingorreplacingaFRU65
![](asset-48.png)
Label
area
Labelsinthearea
IsraelHomologationlabel
ChinaGEOlabel,CECPandnon-CECP
2WirelessWANMAClabel
3NFCFCClabel
4Wirelesslabelforspecialbid
5CECPlabel
6IndiaBISlabel
7IMEIlabel
8ICASAlabel
ChinaT elcomlabel
ChinawirelessWANlabel
BrazilAnatellabel
MalaysiaSIRIMlabel
Argentinaadapterlabel
9Assettag
1060DummySIM-cardcover
Foraccess,removetheseFRUsinorder:
•“1020Batterypack”onpage58
•“1030Keyboardrubbers”onpage59
•“1050Basecoverassembly”onpage64
RemovalstepsofthedummySIM-cardcover
1070Storagedrive
Foraccess,removetheseFRUsinorder:
•“1010Micro-SIM-cardtray”onpage58
66T470pHardwareMaintenanceManual
![](asset-49.png)
•“1020Batterypack”onpage58
•“1030Keyboardrubbers”onpage59
•“1050Basecoverassembly”onpage64
Attention:
•Donotdropthedriveorapplyanyphysicalshocktoit.Thedriveissensitivetophysicalshock.Improper
handlingcancausedamageandpermanentlossofdata.
•Beforeremovingthedrive,havetheusermakeabackupcopyofalltheinformationonitifpossible.
•Neverremovethedrivewhilethesystemisoperatingorinsuspendmode.
Removalstepsofthe2.5-inchstoragedrive
1
StepScrew(quantity)ColorTorque
1M2×3mm,flat-head,nylon-coated(1)Black0.181Nm
(1.85kgf-cm)
2
Chapter8.RemovingorreplacingaFRU67
![](asset-4a.png)
RemovalstepsoftheM.2solid-statedriveinthestoragedrivebay
1
StepScrew(quantity)ColorTorque
1M2×3mm,flat-head,nylon-coated(1)Black0.181Nm
(1.85kgf-cm)
2
3 3
4
68T470pHardwareMaintenanceManual
![](asset-4b.png)
StepScrew(quantity)ColorTorque
3M2×3mm,flat-head,nylon-coated(2)Black0.181Nm
(1.85kgf-cm)
5
StepScrew(quantity)ColorTorque
5M2×3mm,flat-head,nylon-coated(1)Black0.181Nm
(1.85kgf-cm)
6
1080WirelessLANcard
Foraccess,removetheseFRUsinorder:
•“1010Micro-SIM-cardtray”onpage58
•“1020Batterypack”onpage58
•“1030Keyboardrubbers”onpage59
•“1050Basecoverassembly”onpage64
Chapter8.RemovingorreplacingaFRU69
![](asset-4c.png)
RemovalstepsoftheWirelessLANcard
1
2
3
StepScrew(quantity)ColorTorque
2M2×3mm,flat-head,nylon-coated(1)Black0.181Nm
(1.85kgf-cm)
Wheninstalling:
Plugthegraycableintothemainconnector,andplugtheblackcableintotheauxiliaryconnector.
1090WirelessWANcard
Foraccess,removetheseFRUsinorder:
•“1010Micro-SIM-cardtray”onpage58
•“1020Batterypack”onpage58
•“1030Keyboardrubbers”onpage59
•“1050Basecoverassembly”onpage64
70T470pHardwareMaintenanceManual
![](asset-4d.png)
RemovalstepsofthewirelessWANcard
1
1
23
StepScrew(quantity)ColorTorque
2M2×3mm,flat-head,nylon-coated(1)Black0.181Nm
(1.85kgf-cm)
Wheninstalling:
Plugtheredcableintothemainconnectorandthebluecableintotheauxiliaryconnector.
1100Memorymodule
Foraccess,removetheseFRUsinorder:
•“1010Micro-SIM-cardtray”onpage58
•“1020Batterypack”onpage58
•“1030Keyboardrubbers”onpage59
•“1050Basecoverassembly”onpage64
Chapter8.RemovingorreplacingaFRU71
![](asset-4e.png)
Removalstepsofthememorymodule
Wheninstalling:
Insertthenotchedendofthememorymoduleintothememoryslotatanangleofabout25degrees.Press
thememorymoduleinfirmly,andpivotitdownwarduntilitsnapsintoplace.Ensurethatthememory
moduleisfirmlyinstalledintheslotanddoesnotmoveeasily.
1110Coin-cellbattery
Foraccess,removetheseFRUsinorder:
•“1010Micro-SIM-cardtray”onpage58
•“1020Batterypack”onpage58
•“1030Keyboardrubbers”onpage59
•“1050Basecoverassembly”onpage64
DANGER
Useonlytheauthorizedbatteryspecifiedforyourcomputer.Anyotherbatterycouldigniteor
explode.
72T470pHardwareMaintenanceManual
![](asset-4f.png)
Removalstepsofthecoin-cellbattery
1
2
1120Thermalfanassembly
Foraccess,removetheseFRUsinorder:
•“1010Micro-SIM-cardtray”onpage58
•“1020Batterypack”onpage58
•“1030Keyboardrubbers”onpage59
•“1050Basecoverassembly”onpage64
Removalstepsofthethermalfanassembly
Notes:
•Loosenthescrews3inascendingalphabeticalorderasillustrated.Thescrews3cannotberemoved.
•Dependingonthemodel,yourthermalfanassemblymightlookdifferentfromtheillustration.
Chapter8.RemovingorreplacingaFRU73
![](asset-50.png)
3a
3d
3e
3c
3b
1
2
4
Wheninstalling:Beforeyouattachthethermalfanassemblytothecomputer,applythermalgreaseatan
amountof0.2gramsfirst.Eithertoomuchortoolessapplicationofgreasecancauseathermalproblem
duetoimperfectcontactwithacomponent.Forthenewthermalfanassembly,youmustpeelthethin
filmofffromtherubbers.
1130USBcardandUSB-cardcable
Foraccess,removetheseFRUsinorder:
•“1010Micro-SIM-cardtray”onpage58
•“1020Batterypack”onpage58
•“1030Keyboardrubbers”onpage59
•“1050Basecoverassembly”onpage64
74T470pHardwareMaintenanceManual
![](asset-52.png)
6
1140dc-incableassembly
Foraccess,removetheseFRUsinorder:
•“1010Micro-SIM-cardtray”onpage58
•“1020Batterypack”onpage58
•“1030Keyboardrubbers”onpage59
•“1050Basecoverassembly”onpage64
Removalstepsofthedc-incableassembly
1
11
StepScrew(quantity)ColorTorque
1M2.5×6mm,flat-head,nylon-coated(3)Black0.294Nm
(3.0kgf-cm)
2
76T470pHardwareMaintenanceManual
![](asset-54.png)
RemovalstepsoftheLCDunit
3
4
2
1
5
5 5 5 5 5 5
66
6
66
StepScrew(quantity)ColorTorque
6M2.5×6mm,flat-head,nylon-coated(5)Black0.294Nm
(3.0kgf-cm)
78T470pHardwareMaintenanceManual
![](asset-55.png)
7
8
8
1160Systemboard
Importantnoticesforhandlingthesystemboard
Whenhandlingthesystemboard,readthefollowing:
•Thesystemboardhasanaccelerometer,whichcanbebrokenwhenseveralthousandsofG-forces
areapplied.
Note:Droppingasystemboardfromaheightofaslittleas6inchessothatitfallsflatonahardbench
cansubjecttheaccelerometertoasmuchas6000G'sofshock.
•Becarefulnottodropthesystemboardonabenchtopthathasahardsurface,suchasmetal,wood,or
composite.
•Avoidroughhandlingofanykind.
•Ateverypointintheprocess,besurenottodroporstackthesystemboard.
•Ifyouputasystemboarddown,besuretoputitonlyonapaddedsurfacesuchasanESDmatora
corrugatedconductivematerial.
Foraccess,removetheseFRUsinorder:
Chapter8.RemovingorreplacingaFRU79
![](asset-56.png)
•“1010Micro-SIM-cardtray”onpage58
•“1020Batterypack”onpage58
•“1030Keyboardrubbers”onpage59
•“1050Basecoverassembly”onpage64
•“1070Storagedrive”onpage66
•“1080WirelessLANcard”onpage69
•“1090WirelessWANcard”onpage70
•“1100Memorymodule”onpage71
•“1120Thermalfanassembly”onpage73
Attention:Somecomponentssolderedonthesystemboardareextremelysensitive.Whenyouservicethe
systemboard,avoidanykindofroughhandling.
Removalstepsofthesystemboard
11
11
2
3
4
5
6
7
10
9
12
11
8
1
13
13
13
14
StepScrew(quantity)ColorTorque
13M2×5mm,bighead,nylon-coated(3)Silver0.181Nm
(1.85kgf-cm)
80T470pHardwareMaintenanceManual
![](asset-57.png)
15
15
15
15
15
15
15
15
15
StepScrew(quantity)ColorTorque
15M2×3mm,bighead,nylon-coated(9)Black0.181Nm
(1.85kgf-cm)
16
1170Audiocard
Foraccess,removetheseFRUsinorder:
•“1010Micro-SIM-cardtray”onpage58
•“1020Batterypack”onpage58
•“1030Keyboardrubbers”onpage59
•“1050Basecoverassembly”onpage64
•“1070Storagedrive”onpage66
•“1080WirelessLANcard”onpage69
•“1090WirelessWANcard”onpage70
•“1100Memorymodule”onpage71
•“1120Thermalfanassembly”onpage73
•“1160Systemboard”onpage79
Chapter8.RemovingorreplacingaFRU81
![](asset-58.png)
Removalstepsoftheaudiocard
1
2
StepScrew(quantity)ColorTorque
1M2×3mm,flat-head,nylon-coated(1)Black0.181Nm
(1.85kgf-cm)
1180HDMIcard
Foraccess,removetheseFRUsinorder:
•“1010Micro-SIM-cardtray”onpage58
•“1020Batterypack”onpage58
•“1030Keyboardrubbers”onpage59
•“1050Basecoverassembly”onpage64
•“1070Storagedrive”onpage66
•“1080WirelessLANcard”onpage69
•“1090WirelessWANcard”onpage70
•“1100Memorymodule”onpage71
•“1120Thermalfanassembly”onpage73
•“1160Systemboard”onpage79
RemovalstepsoftheHDMIcard
11
2
StepScrew(quantity)ColorTorque
1M2×3mm,flat-head,nylon-coated(2)Black0.181Nm
(1.85kgf-cm)
82T470pHardwareMaintenanceManual
![](asset-59.png)
1190Speakerassembly
Foraccess,removetheseFRUsinorder:
•“1010Micro-SIM-cardtray”onpage58
•“1020Batterypack”onpage58
•“1030Keyboardrubbers”onpage59
•“1050Basecoverassembly”onpage64
•“1070Storagedrive”onpage66
•“1080WirelessLANcard”onpage69
•“1090WirelessWANcard”onpage70
•“1100Memorymodule”onpage71
•“1120Thermalfanassembly”onpage73
•“1160Systemboard”onpage79
Removalstepsofthespeakerassembly
1 1 1 1 1
3
3
3
2
2
2
2
StepScrew(quantity)ColorTorque
2M2×4mm,bighead,nylon-coated(4)Black0.181Nm
(1.85kgf-cm)
1200Smart-card-readerbracket,smartcardreader,smart-card-reader
cable,anddummysmartcarddoor,
Foraccess,removetheseFRUsinorder:
•“1010Micro-SIM-cardtray”onpage58
•“1020Batterypack”onpage58
•“1030Keyboardrubbers”onpage59
•“1050Basecoverassembly”onpage64
•“1070Storagedrive”onpage66
•“1080WirelessLANcard”onpage69
•“1090WirelessWANcard”onpage70
•“1100Memorymodule”onpage71
Chapter8.RemovingorreplacingaFRU83
![](asset-5a.png)
•“1110Coin-cellbattery”onpage72
•“1120Thermalfanassembly”onpage73
•“1160Systemboard”onpage79
•“1170Audiocard”onpage81
•“1190Speakerassembly”onpage83
Removalstepsofthesmart-card-readerbracket,smartcardreader,smart-card-readercable
1
1
1
1
2
StepScrew(quantity)ColorTorque
1M2×3mm,flathead,nylon-coated(4)Black0.181Nm
(1.85kgf-cm)
3
4
5
6
84T470pHardwareMaintenanceManual
![](asset-5b.png)
Removalstepsofthedummysmartcarddoor
1210Fingerprintreader
Foraccess,removetheseFRUsinorder:
•“1010Micro-SIM-cardtray”onpage58
•“1020Batterypack”onpage58
•“1030Keyboardrubbers”onpage59
•“1040Keyboard”onpage59
•“1050Basecoverassembly”onpage64
•“1070Storagedrive”onpage66
•“1080WirelessLANcard”onpage69
•“1090WirelessWANcard”onpage70
•“1100Memorymodule”onpage71
•“1110Coin-cellbattery”onpage72
•“1120Thermalfanassembly”onpage73
•“1130USBcardandUSB-cardcable”onpage74
•“1150LCDunit”onpage77
•“1160Systemboard”onpage79
Removalstepsofthefingerprintreader
1
2
StepScrew(quantity)ColorTorque
1M2×3mm,flathead,nylon-coated(1)Black0.181Nm
(1.85kgf-cm)
Chapter8.RemovingorreplacingaFRU85
![](asset-5e.png)
Removalstepsofthecamera/microphonecard
2040LCDhinges
Foraccess,removetheseFRUsinorder:
•“1010Micro-SIM-cardtray”onpage58
•“1020Batterypack”onpage58
•“1030Keyboardrubbers”onpage59
•“1050Basecoverassembly”onpage64
•“1150LCDunit”onpage77
•“2010LCDbezel”onpage86
•“2020LCDpanel”onpage86
88T470pHardwareMaintenanceManual
![](asset-64.png)
94T470pHardwareMaintenanceManual
![](asset-65.png)
AppendixA.Notices
Lenovomaynotoffertheproducts,services,orfeaturesdiscussedinthisdocumentinallcountries.Consult
yourlocalLenovorepresentativeforinformationontheproductsandservicescurrentlyavailableinyour
area.AnyreferencetoaLenovoproduct,program,orserviceisnotintendedtostateorimplythatonlythat
Lenovoproduct,program,orservicemaybeused.Anyfunctionallyequivalentproduct,program,orservice
thatdoesnotinfringeanyLenovointellectualpropertyrightmaybeusedinstead.However,itistheuser’s
responsibilitytoevaluateandverifytheoperationofanyotherproduct,program,orservice.
Lenovomayhavepatentsorpendingpatentapplicationscoveringsubjectmatterdescribedinthis
document.Thefurnishingofthisdocumentdoesnotgiveyouanylicensetothesepatents.Y oucansend
licenseinquiries,inwriting,to:
Lenovo(UnitedStates),Inc.
1009ThinkPlace-BuildingOne
Morrisville,NC27560
U.S.A.
Attention:LenovoDirectorofLicensing
LENOVOPROVIDESTHISPUBLICATION“ASIS”WITHOUTWARRANTYOFANYKIND,EITHEREXPRESS
ORIMPLIED,INCLUDING,BUTNOTLIMITEDTO,THEIMPLIEDWARRANTIESOFNON-INFRINGEMENT,
MERCHANTABILITYORFITNESSFORAPARTICULARPURPOSE.Somejurisdictionsdonotallow
disclaimerofexpressorimpliedwarrantiesincertaintransactions,therefore,thisstatementmaynotapply
toyou.
Thisinformationcouldincludetechnicalinaccuraciesortypographicalerrors.Changesareperiodically
madetotheinformationherein;thesechangeswillbeincorporatedinneweditionsofthepublication.
Lenovomaymakeimprovementsand/orchangesintheproduct(s)and/ortheprogram(s)describedinthis
publicationatanytimewithoutnotice.
Theproductsdescribedinthisdocumentarenotintendedforuseinimplantationorotherlifesupport
applicationswheremalfunctionmayresultininjuryordeathtopersons.Theinformationcontainedinthis
documentdoesnotaffectorchangeLenovoproductspecificationsorwarranties.Nothinginthisdocument
shalloperateasanexpressorimpliedlicenseorindemnityundertheintellectualpropertyrightsofLenovo
orthirdparties.Allinformationcontainedinthisdocumentwasobtainedinspecificenvironmentsandis
presentedasanillustration.Theresultobtainedinotheroperatingenvironmentsmayvary.
Lenovomayuseordistributeanyoftheinformationyousupplyinanywayitbelievesappropriatewithout
incurringanyobligationtoyou.
Anyreferencesinthispublicationtonon-LenovoWebsitesareprovidedforconvenienceonlyanddonotin
anymannerserveasanendorsementofthoseWebsites.ThematerialsatthoseWebsitesarenotpartof
thematerialsforthisLenovoproduct,anduseofthoseWebsitesisatyourownrisk.
Anyperformancedatacontainedhereinwasdeterminedinacontrolledenvironment.Therefore,theresult
obtainedinotheroperatingenvironmentsmayvarysignificantly.Somemeasurementsmayhavebeen
madeondevelopment-levelsystemsandthereisnoguaranteethatthesemeasurementswillbethesame
ongenerallyavailablesystems.Furthermore,somemeasurementsmayhavebeenestimatedthrough
extrapolation.Actualresultsmayvary.Usersofthisdocumentshouldverifytheapplicabledatafortheir
specificenvironment.
©CopyrightLenovo201795
![](asset-66.png)
Electronicemissionsnotices
ForelectronicemissioninformationonClassBdigitaldevices,refertothecorrespondinginformationin
theUserGuide.
EUcontact:Lenovo,Einsteinova21,85101Bratislava,Slovakia
Trademarks
ThefollowingtermsaretrademarksofLenovointheUnitedStates,othercountriesorboth:
ActiveProtectionSystem
Lenovo
ThinkPad
ThinkPadlogo
TrackPoint
Microsoft,Windows,WindowsServer,andCortanaaretrademarksoftheMicrosoftgroupofcompanies.
DisplayPort,MiniDisplayPort(mDP),andVESAaretrademarksoftheVideoElectronicsStandards
Association.
Othercompany,product,orservicenamesmaybethetrademarksorservicemarksofothers.
96T470pHardwareMaintenanceManual
![](asset-67.png)
AppendixB.Abbreviationtable
Thefollowingtablelistsallabbreviationsandacronymsusedinthismanual.
AbbreviationTerm
3Gthirdgenerationofmobiletelecommunicationstechnology
BGABallGridArray
BIOSbasicinput/outputsystem
CMOScomplementarymetal-oxidesemiconductor
COACertificateofAuthentication
CRCcyclicredundancycheck
CRTcathoderaytube
CRUcustomer-replaceableunit
CTOconfiguretoorder
EAIAEnhancedAssetInformationArea
ECAEngineeringChangeAnnouncements
EEPROMElectricallyErasableProgrammableRead-OnlyMemory
EFIExtensibleFirmwareInterface
EPOemergencypower-off
ESDelectrostaticdischarge
EUEuropeanUnion
FCCFederalCommunicationsCommission
FRUFieldReplaceableUnit
GAVGeneralAnnounceVariant
GPUgraphicsprocessingunit
HDDharddiskdrive
HDMIhigh-definitionmultimediainterface
ICsintegratedcircuits
ICCIDintegratecircuitcardidentity
ISOInternationalStandardizationOrganization
LANlocalareanetwork
LCDliquidcrystaldisplay
MACmediaaccesscontrol
MTmachinetype
MTMmachinetypeandmodel
PCpersonalcomputer
PCHPlatformControllerHub
POSTpower-onself-test
RAMrandom-accessmemory
©CopyrightLenovo201797
![](asset-68.png)
AbbreviationTerm
RFradiofrequency
RFIDradio-frequencyidentification
RIringindicator
RJregisteredjack
SATASerialAdvancedTechnologyAttachment
SIMsubscriberidentitymodule
SVPsupervisorpassword
TFTsthin-filmtransistors
UEFIUnifiedExtensibleFirmwareInterface
USBUniversalSerialBus
UUIDuniversallyuniqueidentifier
VGAvideographicsarray
VRAMvideorandom-accessmemory
WANwideareanetwork
98T470pHardwareMaintenanceManual
![](asset-6a.png)
PartNumber:SP40M11995_02
PrintedinChina
(1P)P/N:SP40M11995_02
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