Laptop User Manual

Contents
Aboutthismanual...........iii
Chapter1.Safetyinformation.....1
Generalsafety................1
Electricalsafety...............2
Safetyinspectionguide............3
Handlingdevicesthataresensitivetoelectrostatic
discharge..................3
Groundingrequirements............4
Safetynotices(multilingualtranslations)......4
Lasercompliancestatement(multilingual
translations)................21
Chapter2.Importantservice
information..............31
StrategyforreplacingFRUs.........31
Strategyforreplacingaharddiskdrive...32
Importantnoticeforreplacingasystem
board................32
Howtouseerrormessage........32
StrategyforreplacingFRUsforCTO,CMV,and
GAV...................32
Productdenition............32
FRUidenticationforCTO,CMV,andGAV
products...............33
Chapter3.Generalcheckout.....35
Whattodorst..............35
Checkoutguide..............36
DiagnosticsusingPC-DoctorforDOS....36
LenovoThinkVantageToolbox(LenovoSystem
Toolbox)...............39
PC-DoctorforRescueandRecovery....40
FRUtests...............40
Powersystemcheckout...........41
CheckingtheACadapter.........41
Checkingoperationalcharging......42
Checkingthebatterypack........42
Checkingthebackupbattery.......43
Chapter4.Relatedservice
information..............45
RestoringthefactorycontentsbyusingProduct
Recoverydiscs..............45
RestoringthefactorycontentsbyusingRecovery
DiscSet.................45
Passwords................47
Power-onpassword...........47
Hard-diskpassword...........47
Supervisorpassword..........47
Howtoremovethepower-onpassword...47
Howtoremovethehard-diskpassword...48
Powermanagement............48
Screenblankmode...........49
Sleep(standby)mode..........49
Hibernationmode...........49
Symptom-to-FRUindex...........50
Numericerrorcodes..........51
Errormessages............55
Beepsymptoms............56
No-beepsymptoms...........57
LCD-relatedsymptoms.........57
Intermittentproblems..........58
Undeterminedproblems.........58
Chapter5.Statusindicators.....61
Chapter6.Fnkeycombinations...65
Chapter7.FRUreplacement
notices................69
Screwnotices...............69
Retainingserialnumbers...........70
Restoringtheserialnumberofthesystem
unit.................70
RetainingtheUUID...........71
ReadingorwritingtheECAinformation...71
Chapter8.Removingandreplacinga
FRU..................73
BeforeservicingThinkPadT400s,T410s,and
T410si..................74
1010Batterypack.............75
1020SerialUltrabaySlimdeviceortravelbezel..75
1030Solidstatedrive(SSD)orharddiskdrive
(HDD)..................76
1040DIMM................78
1050PCIExpressMiniCardforwirelessLAN..80
1060PCIExpressMiniCardforwirelessWAN..83
1070Keyboard..............85
1080Backupbattery............89
1090WirelessUSBadapterorIntelTurbo
Memory.................90
1100Palmrestorpalmrestwithngerprint
reader..................91
1110Bluetoothdaughtercard(BDC-2).....93
1120Keyboardbezelandspeakerassembly...94
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