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
Howtouseerrorcodes.........20
StrategyforreplacingFRUsforCTO,CMV,and
GAV...................20
Productdenition............20
FRUidenticationforCTO,CMV,andGAV
products...............21
Chapter3.Generalcheckout.....23
Whattodorst..............23
Checkoutguide..............24
SystemsupportingtheLenovoThinkVantage
ToolboxprogramandthePC-DoctorforDOS
diagnosticsprogram..........24
SystemsupportingtheLenovodiagnostics
programs...............29
Powersystemcheckout...........31
Checkingtheacpoweradapter......31
Checkingoperationalcharging......32
Checkingthebatterypack........32
Checkingthebackupbattery.......33
Chapter4.Relatedservice
information..............35
RestoringthefactorycontentsbyusingRecovery
DiscSet.................35
Passwords................36
Power-onpassword...........36
Hard-diskpassword...........36
Supervisorpassword..........37
Howtoremovethepower-onpassword...37
Howtoremovethehard-diskpassword...37
Powermanagement............38
Screenblankmode...........38
Sleeporstandbymode.........38
Hibernationmode...........39
Symptom-to-FRUindex...........39
Numericerrorcodes..........40
Errormessages............42
No-beepsymptoms...........42
LCD-relatedsymptoms.........42
Intermittentproblems..........43
Undeterminedproblems.........43
Chapter5.Statusindicators.....45
Chapter6.Fnkeycombinations...47
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..61
1070Bluetoothdaughtercard(BDC-2).....62
1080Keyboard..............64
1090Palmrestassembly,power-onboard
assembly(withcable),andmicrophone.....67
1100CRTboardassembly(withcable).....71
1110Speakerassembly...........72
1120I/Oboard(forThinkPadX120e)......73
1130Systemboard,fanassembly,andbackup
battery..................74
1140LCDunit...............80
1150DC-incableandbasecoverassembly...82
2010LCDbezelassembly..........84
2020Integratedcamera...........85
2030LCDpanel,hinges,andLCDcable....86
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