Contents
Aboutthismanual...........iii
Chapter1.Safetyinformation......1
Generalsafety................1
Electricalsafety...............1
Safetyinspectionguide............3
Handlingdevicesthataresensitivetoelectrostatic
discharge..................3
Groundingrequirements............4
Safetynotices(multilingualtranslations)......4
Chapter2.Importantservice
information..............19
StrategyforreplacingFRUs.........19
Importantnoticeforreplacingasystem
board................19
Howtouseerrormessage........20
StrategyforreplacingFRUsforCTO,specialbid
model,andstandardmodels.........20
Productdefinition............20
FRUidentification............20
Chapter3.Generalcheckout.....23
Whattodofirst..............23
Checkoutguide..............24
LenovoCompanion...........24
Quicktestprograms...........24
UEFIdiagnosticprogram.........25
Bootablediagnosticprograms.......25
Powersystemcheckout...........26
Checkingthebuilt-inbattery.......26
Checkingtheoperationalcharging.....27
Checkingthecoin-cellbattery.......27
Checkingtheacpoweradapter......27
Chapter4.Relatedservice
information..............29
Windowsrecoveryapps...........29
Resettingyourtablet..........29
Recoveringyouroperatingsystemifthe
Windows10operatingsystemfailstostart..29
CreatingandusingarecoveryUSBdrive..29
LenovofactoryrecoveryUSBkey.......30
Usingpasswords..............31
Symptom-to-FRUindex...........31
Errorcodes..............32
Beeperrors..............33
Intermittentproblems..........34
Undeterminedproblems.........34
Chapter5.Locations.........37
Locatingtabletcontrols,connectors,and
indicators.................37
LocatingFRUsandCRUs..........39
MajorFRUs..............40
Otherparts..............42
Connectorandcableguide........42
LookingupFRUinformation.........48
Chapter6.FRUreplacement
notices................49
Screwnotices...............49
Retainingserialnumbers...........50
Chapter7.Removingorreplacinga
FRU..................51
Generalguidelines.............51
Beforeservicingthetablet..........52
Disablingthebuilt-inbattery.......52
RemovingtheSIMcard,SDcard,andBase
Module................52
1010SIMcardcover............54
1020Backcoverassembly..........55
1030Coin-cellbattery............60
1040ThinkLEDlight............61
1050NFCcard,NFC-cardcable,andNFCantenna
assembly(forThinkPadX1Tablet).......62
1060Wireless-WANcard..........64
1070M.2solid-statedriveandsolid-state-drive
mylar..................66
1080Touchcontrollercardcable.......68
1090Infraredcameracardandinfraredcamera
cable..................69
1110Speakerassembly...........71
1120MiniDisplayPortbracket........72
1130USB-connectorbracket.........73
1140POGOcardandPOGO-cardcable....74
1150LCDcable..............76
1160Built-inbattery............77
1170Cameracable,cameracard,front-facing
cameramodule,andrear-facingcameramodule.79
1180Audiocardandaudio-cardcable.....81
1190Thermalmodule............81
1210Systemboard.............83
1211Innerframeleftandinnerframeright....85
1212Fingerprint-readermodule........86
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