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
LenovoSolutionCenter.........27
Quicktestprograms...........27
UEFIdiagnosticprogram.........27
Bootablediagnosticprograms.......28
LenovoThinkVantageToolbox.......29
FRUtests...............29
Powersystemcheckout...........30
CheckingtheACadapter.........30
Checkingoperationalcharging......31
Checkingthebatterypack........31
Checkingthebackupbattery.......32
Chapter4.Relatedservice
information..............33
RestoringthefactorycontentsbyusingRecovery
DiscSet.................33
Passwords................34
Power-onpassword...........34
Hard-diskpassword...........34
Supervisorpassword..........35
Howtoremovethepower-onpassword...35
Howtoremovethehard-diskpassword...35
Powermanagement............36
Screenblankmode...........36
Sleepmode..............36
Hibernationmode...........36
Symptom-to-FRUindex...........37
Numericerrorcodes..........37
Errormessages............39
No-beepsymptoms...........39
LCD-relatedsymptoms.........40
Intermittentproblems..........40
Undeterminedproblems.........41
Chapter5.Statusindicators.....43
Chapter6.Specialkeys........45
Chapter7.FRUreplacement
notices................47
Screwnotices...............47
Retainingserialnumbers...........48
Restoringtheserialnumberofthesystem
unit.................48
RetainingtheUUID...........49
ReadingorwritingtheECAinformation...49
Chapter8.Removingandreplacinga
FRU..................51
1010Batterypack.............52
1020Bottomslotcover...........52
1030DIMM................54
1040Harddiskdrive(HDD)..........55
1050PCIExpressMiniCardforwirelessLAN..56
1060PCIExpressMiniCardforwirelessWAN..57
1070Keyboard..............59
1080Topcaseassemblyandmicrophone
module.................61
1090Backupbattery............64
1100Bluetoothdaughtercard(BDC-2).....65
1110Speakerassembly...........66
1120Systemboardandfanassembly.....68
1130I/Ocardassembly,audiocable,andI/O
cable..................75
1140LCDunit...............77
1150BasecoverassemblyandDC-incable...80
2010LCDbezelassembly..........82
2020Integratedcamera...........83
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