Contents
Aboutthismanual...........iii
Chapter1.Safetyinformation......1
Generalsafety................1
Electricalsafety...............2
Safetyinspectionguide............3
Handlingdevicesthataresensitivetoelectrostatic
discharge..................3
Groundingrequirements............4
Safetynotices(multilingualtranslations)......4
Lasercompliancestatement(multilingual
translations)................17
Chapter2.Importantservice
information..............23
StrategyforreplacingFRUs.........23
Strategyforreplacingaharddiskdrive...24
Importantnoticeforreplacingasystem
board................24
Howtouseerrormessage........24
StrategyforreplacingFRUsforCTO,CMV,and
GAV...................24
Productdenition............24
FRUidenticationforCTO,CMV,andGAV
products...............25
Chapter3.Generalcheckout.....27
Whattodorst..............27
Checkoutguide..............28
DiagnosticsusingPC-DoctorforDOS....28
LenovoThinkVantageToolbox(LenovoSystem
Toolbox)...............31
PC-DoctorforRescueandRecovery....31
FRUtests...............31
Powersystemcheckout...........32
Checkingtheacadapter.........33
Checkingoperationalcharging......33
Checkingthebatterypack........33
Checkingthebackupbattery.......34
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
Sleepmode..............38
Hibernationmode...........38
Symptom-to-FRUindex...........39
Numericerrorcodes..........39
Errormessages............41
No-beepsymptoms...........42
LCD-relatedsymptoms.........42
Intermittentproblems..........42
Undeterminedproblems.........43
Chapter5.Statusindicators.....45
Chapter6.SpecialkeysandFnkey
combination..............47
Chapter7.FRUreplacement
notices................49
Screwnotices...............49
Retainingserialnumbers...........50
Restoringtheserialnumberofthesystem
unit.................50
RetainingtheUUID...........51
ReadingorwritingtheECAinformation...51
Chapter8.Removingandreplacinga
FRU..................53
1010Batterypack.............54
1020Opticaldriveortravelcover.......54
1030Thermalcover.............55
1040Harddiskdrive(HDD)assembly.....56
1050DIMM................57
1060Fanassembly.............58
1070CPU................61
1080WirelessWANslotcoverandPCIExpress
MiniCardforwirelessWAN..........62
1090Palmrestassemblywithcables......65
1100PCIExpressMiniCardforwirelessLAN..68
1110Backupbattery............69
1120Bluetoothdaughtercard(BDC-2).....70
1130Keyboard..............71
1140Keyboardbezel............74
1150LCDunit...............76
1160Topshieldingassembly.........79
1170Systemboardassembly.........81
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