Contents
Aboutthismanual...........iii
Chapter1.Safetyinformation......1
Generalsafety................1
Electricalsafety...............2
Safetyinspectionguide............3
Handlingdevicesthataresensitivetoelectrostatic
discharge..................3
Groundingrequirements............4
Safetynotices-multilingualtranslations......4
Chapter2.Importantservice
information..............19
StrategyforreplacingFRUs.........19
Strategyforreplacingaharddiskdrive...20
Importantnoticeforreplacingasystem
board................20
Howtouseerrormessage........20
StrategyforreplacingFRUsforCTO,CMV,and
GAV...................20
Productdenition............20
FRUidenticationforCTO,CMV,andGAV
products...............21
Chapter3.Generalcheckout.....23
Whattodorst..............23
Checkoutguide..............24
DiagnosticsusingPC-DoctorforDOS....24
LenovoThinkVantageToolbox.......27
FRUtests...............27
Powersystemcheckout...........28
Checkingtheacadapter.........29
Checkingoperationalcharging......29
Checkingthebatterypack........30
Checkingthebackupbattery.......30
Chapter4.Relatedservice
information..............33
RestoringthefactorycontentsbyusingRecovery
DiscSet.................33
Passwords................34
Power-onpassword...........34
Hard-diskpassword...........34
Supervisorpassword..........35
Howtoremovethepower-onpassword...35
Howtoremovethehard-diskpassword...35
Powermanagement............36
Screenblankmode...........36
Sleeporstandbymode.........36
Hibernationmode...........37
Symptom-to-FRUindex...........37
Numericerrorcodes..........38
Errormessages............40
No-beepsymptoms...........40
LCD-relatedsymptoms.........40
Intermittentproblems..........41
Undeterminedproblems.........41
Chapter5.Statusindicators.....43
Chapter6.Fnkeycombinations...45
Chapter7.FRUreplacement
notices................49
Screwnotices...............49
Retainingserialnumbers...........50
Restoringtheserialnumberofthesystem
unit.................50
RetainingtheUUID...........51
ReadingorwritingtheECAinformation...51
Chapter8.Removingandreplacinga
FRU..................53
BeforeservicingThinkPadX100eandThinkPad
X120e..................53
1010Batterypack.............54
1020Bottomdoor.............55
1030Harddiskdrive(HDD)..........58
1040DIMM................60
1050PCIExpressMiniCardforwirelessLAN..60
1060PCIExpressMiniCardforwirelessWAN..62
1070Bluetoothdaughtercard(BDC-2).....63
1080Keyboard..............64
1090Palmrestassembly,power-onboard
assembly(withcable),andmicrophone.....67
1100CRTboardassembly(withcable).....72
1110Speakerassembly...........73
1120I/Oboard(forThinkPadX120e)......74
1130Systemboard,fanassembly,andbackup
battery..................75
1140LCDunit...............81
1150DC-incableandbasecoverassembly...82
2010LCDbezelassembly..........85
2020Integratedcamera...........86
2030LCDpanel,hinges,andLCDcable....87
2090AntennakitandLCDrearcoverassembly..89
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