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
SystemsupportingtheLenovoThinkVantage
ToolboxprogramandthePC-DoctorforDOS
diagnosticsprogram..........28
SystemsupportingtheLenovodiagnostics
programs...............33
Powersystemcheckout...........35
Checkingtheacpoweradapter......35
Checkingoperationalcharging......36
Checkingthebatterypack........36
Checkingthebackupbattery.......37
Chapter4.Relatedservice
information..............39
RestoringthefactorycontentsbyusingProduct
Recoverydiscs..............39
RestoringthefactorycontentsbyusingRecovery
DiscSet.................39
Passwords................41
Power-onpassword...........41
Hard-diskpassword...........41
Supervisorpassword..........41
Howtoremovethepower-onpassword...41
Howtoremovethehard-diskpassword...42
Powermanagement............43
Screenblankmode...........43
Sleep(standby)mode..........43
Hibernationmode...........44
Symptom-to-FRUindex...........44
Numericerrorcodes..........45
Errormessages............46
No-beepsymptoms...........47
LCD-relatedsymptoms.........47
Intermittentproblems..........48
Undeterminedproblems.........48
Chapter5.Statusindicators.....51
Chapter6.Fnkeycombinations...53
Chapter7.FRUreplacement
notices................57
Screwnotices...............57
Retainingserialnumbers...........58
Restoringtheserialnumberofthesystem
unit.................58
RetainingtheUUID...........59
ReadingorwritingtheECAinformation...59
Chapter8.Removingandreplacinga
FRU..................61
1010Batterypack.............61
1020ExpressCardblankbezelandMediaCard
blankbezel................63
1030Opticaldriveortravelcover.......64
1040Thermalcover.............65
1050Harddiskdrive(HDD)assembly.....66
1060DIMM................67
1070Fanassembly.............68
1080CPU................71
1090SIMslotcover............72
1100WirelessWANslotcoverandPCIExpress
MiniCardforwirelessWAN..........74
1110Palmrestassemblywithcables......76
1120PCIExpressMiniCardforwirelessLAN..78
1130Backupbattery............80
1140Bluetoothdaughtercard(BDC-2).....80
1150MediaCardReaderslotboardandMedia
CardReadercableassembly.........81
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