Contents
Aboutthismanual............v
Chapter1.Safetyinformation.....1
Generalsafety................2
Electricalsafety...............3
Safetyinspectionguide............5
Handlingdevicesthataresensitivetoelectrostatic
discharge..................6
Groundingrequirements............6
Safetynotices(multilingualtranslations)......7
Chapter2.Importantservice
information..............29
StrategyforreplacingFRUs.........30
Strategyforreplacingaharddiskdrive...30
Importantnoticeforreplacingasystem
board................30
Howtouseerrormessage........30
StrategyforreplacingFRUsforCTO,CMV,and
GAV...................31
Productdenition............31
FRUidenticationforCTO,CMV,andGAV
products...............31
Chapter3.Generalcheckout.....33
Whattodorst..............34
Checkoutguide..............35
DiagnosticsusingPC-DoctorforDOS....35
LenovoThinkVantageToolbox.......37
FRUtests...............38
Powersystemcheckout...........39
CheckingtheACadapter.........39
Checkingoperationalcharging......39
Checkingthebatterypack........40
Checkingthebackupbattery.......40
Chapter4.Relatedservice
information..............43
RestoringthefactorycontentsbyusingRecovery
DiscSet.................43
Passwords................44
Power-onpassword...........44
Hard-diskpassword...........44
Supervisorpassword..........45
Howtoremovethepower-onpassword...45
Howtoremovethehard-diskpassword...45
Powermanagement............47
Screenblankmode...........47
Sleepmode..............47
Hibernationmode...........47
Symptom-to-FRUindex...........48
Numericerrorcodes..........48
Errormessages............51
No-beepsymptoms...........51
LCD-relatedsymptoms.........52
Intermittentproblems..........53
Undeterminedproblems.........53
Chapter5.Statusindicators.....55
Chapter6.Specialkeys........57
Chapter7.FRUreplacement
notices................59
Screwnotices...............59
Retainingserialnumbers...........60
Restoringtheserialnumberofthesystem
unit.................60
RetainingtheUUID...........60
ReadingorwritingtheECAinformation...61
Chapter8.Removingandreplacinga
FRU..................63
1010Batterypack.............64
1020Bottomslotcover...........65
1030DIMM................67
1040Harddiskdrive(HDD)..........68
1050PCIExpressMiniCardforwirelessLAN..70
1060PCIExpressMiniCardforwirelessWAN..72
1070Keyboard..............74
1080Topcaseassemblyandmicrophone
module.................77
1090Backupbattery............81
1100Bluetoothdaughtercard(BDC-2).....82
1110Speakerassembly...........83
1120Systemboardandfanassembly.....85
1130I/Ocardassembly,audiocable,andI/O
cable..................94
1140LCDunit...............96
1150BasecoverassemblyandDC-incable...98
2010LCDbezelassembly..........101
2020Integratedcamera...........102
2030LCDpanelandLCDcable........103
2040Hingekit...............106
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