Contents
Aboutthismanual...........iii
Chapter1.Safetyinformation......1
Generalsafety................1
Electricalsafety...............1
Safetyinspectionguide............3
Handlingdevicesthataresensitivetoelectrostatic
discharge..................3
Groundingrequirements............4
Safetynotices(multilingualtranslations)......4
Chapter2.Importantservice
information..............19
StrategyforreplacingFRUs.........19
Strategyforreplacingaharddiskdrive...20
Importantnoticeforreplacingasystem
board................20
Howtouseerrormessage........20
StrategyforreplacingFRUsforCTO,CMV,and
GAV...................20
Productdenition............20
FRUidenticationforCTO,CMV,andGAV
products...............21
Chapter3.Generalcheckout.....23
Whattodorst..............23
Checkoutguide..............24
DiagnosticsusingPC-DoctorforDOS....24
LenovoThinkVantageToolbox.......27
FRUtests...............27
Powersystemcheckout...........28
CheckingtheACadapter.........28
Checkingoperationalcharging......29
Checkingthebatterypack........29
Checkingthebackupbattery.......30
Chapter4.Relatedservice
information..............31
RestoringthefactorycontentsbyusingRecovery
DiscSet.................31
Passwords................32
Power-onpassword...........32
Hard-diskpassword...........32
Supervisorpassword..........33
Howtoremovethepower-onpassword...33
Howtoremovethehard-diskpassword...33
Powermanagement............34
Screenblankmode...........34
Sleepmode..............34
Hibernationmode...........34
Symptom-to-FRUindex...........35
Numericerrorcodes..........35
Errormessages............37
No-beepsymptoms...........37
LCD-relatedsymptoms.........38
Intermittentproblems..........38
Undeterminedproblems.........39
Chapter5.Statusindicators.....41
Chapter6.Specialkeys........43
Chapter7.FRUreplacement
notices................45
Screwnotices...............45
Retainingserialnumbers...........46
Restoringtheserialnumberofthesystem
unit.................46
RetainingtheUUID...........47
ReadingorwritingtheECAinformation...47
Chapter8.Removingandreplacinga
FRU..................49
1010Batterypack.............50
1020Bottomslotcover...........50
1030DIMM................52
1040Harddiskdrive(HDD)..........53
1050PCIExpressMiniCardforwirelessLAN..54
1060PCIExpressMiniCardforwirelessWAN..55
1070Keyboard..............57
1080Topcaseassemblyandmicrophone
module.................59
1090Backupbattery............62
1100Bluetoothdaughtercard(BDC-2).....63
1110Speakerassembly...........64
1120Systemboardandfanassembly.....66
1130I/Ocardassembly,audiocable,andI/O
cable..................73
1140LCDunit...............75
1150BasecoverassemblyandDC-incable...78
2010LCDbezelassembly..........80
2020Integratedcamera...........81
2030LCDpanelandLCDcable........82
2040Hingekit...............84
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