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..............23
StrategyforreplacingFRUs.........23
Strategyforreplacingaharddiskdrive...24
Importantnoticeforreplacingasystem
board................24
Howtouseerrormessage........24
StrategyforreplacingFRUsforCTO,CMV,and
GAV...................24
Productdenition............24
FRUidenticationforCTO,CMV,andGAV
products...............25
Chapter3.Generalcheckout.....27
Whattodorst..............27
Checkoutguide..............28
SystemsupportingtheLenovoThinkVantage
ToolboxprogramandthePC-DoctorforDOS
diagnosticsprogram..........28
SystemsupportingtheLenovodiagnostics
programs...............33
Powersystemcheckout...........35
CheckingtheACadapter.........35
Checkingoperationalcharging......36
Checkingthebatterypack........36
Checkingthebackupbattery.......37
Chapter4.Relatedservice
information..............39
RestoringthefactorycontentsbyusingProduct
Recoverydiscs..............39
RestoringthefactorycontentsbyusingRecovery
DiscSet.................39
Passwords................41
Power-onpassword...........41
Hard-diskpassword...........41
Supervisorpassword..........41
Howtoremovethepower-onpassword...41
Howtoremovethehard-diskpassword...42
Powermanagement............42
Screenblankmode...........43
Sleep(standby)mode..........43
Hibernationmode...........43
Symptom-to-FRUindex...........44
Numericerrorcodes..........45
Errormessages............49
Beepsymptoms............50
No-beepsymptoms...........51
LCD-relatedsymptoms.........51
Intermittentproblems..........52
Undeterminedproblems.........52
Chapter5.Statusindicators.....55
Chapter6.Fnkeycombinations...59
Chapter7.FRUreplacement
notices................61
Screwnotices...............61
Retainingserialnumbers...........62
Restoringtheserialnumberofthesystem
unit.................62
RetainingtheUUID...........63
ReadingorwritingtheECAinformation...63
Chapter8.Removingandreplacinga
FRU..................65
BeforeservicingThinkPadT400s,T410s,and
T410si..................65
1010Batterypack.............66
1020SerialUltrabaySlimdeviceortravelbezel..67
1030Solidstatedrive(SSD)orharddiskdrive
(HDD)..................68
1040DIMM................69
1050PCIExpressMiniCardforwirelessLAN..71
1060PCIExpressMiniCardforwirelessWAN..73
1070Keyboard..............74
1080Backupbattery............78
1090WirelessUSBadapterorIntelTurbo
Memory.................78
1100Palmrestorpalmrestwithngerprint
reader..................79
1110Bluetoothdaughtercard(BDC-2).....80
1120Keyboardbezelandspeakerassembly...81
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