Contents
Aboutthismanual...........iii
Chapter1.Safetyinformation.....1
Generalsafety................1
Electricalsafety...............2
Safetyinspectionguide............3
Handlingdevicesthataresensitivetoelectrostatic
discharge..................3
Groundingrequirements............4
Safetynotices—multilingualtranslations.....4
Chapter2.Importantservice
information..............17
StrategyforreplacingFRUs.........17
Strategyforreplacingaharddiskdrive...18
Importantnoticeforreplacingasystem
board................18
Howtouseerrormessage........18
StrategyforreplacingFRUsforCTO,CMV,and
GAV...................18
Productdenition............18
FRUidenticationforCTO,CMV,andGAV
products...............19
Chapter3.Generalcheckout.....21
Whattodorst..............21
Checkoutguide..............22
DiagnosticsusingPC-DoctorforDOS....22
LenovoThinkVantageToolbox.......25
FRUtests...............25
Powersystemcheckout...........26
Checkingtheacadapter.........27
Checkingoperationalcharging......27
Checkingthebatterypack........27
Checkingthebackupbattery.......28
Chapter4.Relatedservice
information..............29
RestoringthefactorycontentsbyusingRecovery
DiscSet.................29
Passwords................30
Power-onpassword...........30
Hard-diskpassword...........30
Supervisorpassword..........31
Howtoremovethepower-onpassword...31
Howtoremovethehard-diskpassword...31
Powermanagement............32
Screenblankmode...........32
Sleeporstandbymode.........32
Hibernationmode...........33
Symptom-to-FRUindex...........33
Numericerrorcodes..........34
Errormessages............36
No-beepsymptoms...........36
LCD-relatedsymptoms.........36
Intermittentproblems..........37
Undeterminedproblems.........37
Chapter5.Statusindicators.....39
Chapter6.Fnkeycombinations...41
Chapter7.FRUreplacement
notices................45
Screwnotices...............45
Retainingserialnumbers...........46
Restoringtheserialnumberofthesystem
unit.................46
RetainingtheUUID...........46
ReadingorwritingtheECAinformation...47
Chapter8.Removingandreplacinga
FRU..................49
BeforeservicingThinkPadX100eandThinkPad
X120e..................49
1010Batterypack.............50
1020Bottomdoor.............51
1030Harddiskdrive(HDD)..........54
1040DIMM................56
1050PCIExpressMiniCardforwirelessLAN..57
1060PCIExpressMiniCardforwirelessWAN..58
1070Bluetoothdaughtercard(BDC-2).....60
1080Keyboard..............61
1090Palmrestassembly,power-onboard
assembly(withcable),andmicrophone.....64
1100CRTboardassembly(withcable).....68
1110Speakerassembly...........69
1120I/Oboard(forThinkPadX120e)......70
1130Systemboard,fanassembly,andbackup
battery..................71
1140LCDunit...............77
1150DC-incableandbasecoverassembly...79
2010LCDbezelassembly..........82
2020Integratedcamera...........83
2030LCDpanel,hinges,andLCDcable....84
2090AntennakitandLCDrearcoverassembly..86
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