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...23
Importantnoticeforreplacingasystem
board................24
Howtouseerrormessage........24
StrategyforreplacingFRUsforCTO,CMV,and
GAV...................24
Productdenition............24
FRUidenticationforCTO,CMV,andGAV
products...............24
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
Restoringthefactorycontentsbyusingthe
productRecoveryDiscSet..........39
Passwords................40
Power-onpassword...........40
Hard-diskpassword...........40
Supervisorpassword..........40
Howtoremovethepower-onpassword...40
Howtoremovethehard-diskpassword...41
Powermanagement............42
Screenblankmode...........42
Sleepmode..............42
Hibernationmode...........42
Symptom-to-FRUindex...........42
Numericerrorcodes..........43
Errormessages............45
No-beepsymptoms...........45
LCD-relatedsymptoms.........45
Intermittentproblems..........46
Undeterminedproblems.........46
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
1040Harddiskdriveassembly........60
1050Memorymodule............61
1060Fanassembly.............62
1070Microprocessor............65
1080WirelessWANslotcoverandPCIExpress
MiniCardforwirelessWAN..........66
1090Palmrestassemblywithcables......69
1100PCIExpressMiniCardforwirelessLAN..72
1110Backupbattery............74
1120Bluetoothdaughtercard........74
1130Keyboard..............75
1140Keyboardbezel............77
1150LCDunit...............79
1160Topshieldingassembly.........82
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