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
LenovoSolutionCenter.........31
FRUtests...............34
Powersystemcheckout...........35
Checkingtheacadapter.........35
Checkingoperationalcharging......35
Checkingthebatterypack........36
Checkingthebackupbattery.......36
Chapter4.Relatedservice
information..............39
RestoringthefactorycontentsbyusingRecovery
DiscSet.................39
Passwords................40
Power-onpassword...........40
Hard-diskpassword...........40
Supervisorpassword..........41
Howtoremovethepower-onpassword...41
Howtoremovethehard-diskpassword...41
Powermanagement............42
Screenblankmode...........42
Sleepmode..............42
Hibernationmode...........42
Symptom-to-FRUindex...........43
Numericerrorcodes..........43
Errormessages............45
No-beepsymptoms...........46
LCD-relatedsymptoms.........46
Intermittentproblems..........46
Undeterminedproblems.........47
Chapter5.Statusindicators.....49
Chapter6.SpecialkeysandFnkey
combination..............51
Chapter7.FRUreplacement
notices................53
Screwnotices...............53
Retainingserialnumbers...........54
Restoringtheserialnumberofthesystem
unit.................54
RetainingtheUUID...........55
ReadingorwritingtheECAinformation...55
Chapter8.Removingorreplacinga
FRU..................57
1010Batterypack.............58
1020Opticaldriveortravelcover.......58
1030Thermalcover.............59
1040Harddiskdrive(HDD)assembly.....60
1050DIMM................61
1060Fanassembly.............63
1070CPU................66
1080WirelessWANslotcoverandPCIExpress
MiniCardforwirelessWAN..........67
1090Palmrestassemblywithcables......69
1100PCIExpressMiniCardforwirelessLAN..72
1110Backupbattery............74
1120Bluetoothdaughtercard(BDC-2).....75
1130Keyboard..............75
1140Keyboardbezel............78
1150LCDunit...............80
1160Topshieldingassembly.........83
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