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..............25
StrategyforreplacingFRUs.........25
Strategyforreplacingaharddiskdrive...26
Importantnoticeforreplacingasystem
board................26
Howtouseerrormessage........26
StrategyforreplacingFRUsforCTO,CMV,and
GAV...................26
Productdenition............26
FRUidenticationforCTO,CMV,andGAV
products...............27
Chapter3.Generalcheckout.....29
Whattodorst..............29
Checkoutguide..............30
SystemsupportingtheLenovoThinkVantage
ToolboxprogramandthePC-DoctorforDOS
diagnosticsprogram..........30
SystemsupportingtheLenovodiagnostics
programs...............34
Powersystemcheckout...........36
Checkingtheacpoweradapter......36
Checkingoperationalcharging......37
Checkingthebatterypack........37
Checkingthebackupbattery.......38
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
Sleep(standby)mode..........42
Hibernationmode...........43
Symptom-to-FRUindex...........43
Numericerrorcodes..........44
Errormessages............46
No-beepsymptoms...........46
LCD-relatedsymptoms.........46
Intermittentproblems..........47
Undeterminedproblems.........47
Chapter5.Statusindicators.....49
Chapter6.Fnkeycombinations...51
Chapter7.FRUreplacement
notices................55
Screwnotices...............55
Retainingserialnumbers...........56
Restoringtheserialnumberofthesystem
unit.................56
RetainingtheUUID...........56
ReadingorwritingtheECAinformation...57
Chapter8.Removingandreplacinga
FRU..................59
1010Batterypack.............59
1020ExpressCardblankbezelandMediaCard
blankbezel................60
1030Opticaldriveortravelcover.......62
1040Thermalcover.............63
1050Harddiskdriveorsolidstatedrive
assembly.................64
1060DIMM................67
1070Fanassembly.............67
1080CPU................70
1090SIMslotcover............71
1110WirelessWANslotcoverandPCIExpress
MiniCardforwirelessWAN..........72
1110mSATAsolidstatedrive.........73
1120Palmrestassemblywithcables......75
1130PCIExpressMiniCardforwirelessLAN..78
1140Backupbattery............80
1150Bluetoothdaughtercard........80
1160MediaCardReaderslotboardandMedia
CardReadercableassembly.........81
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