Whenthepoweristurnedon,thecomputerreturnsfromhibernationmodeandresumesoperation.The
hibernationleinthebootrecordontheharddiskdriveisread,andsystemstatusisrestoredfromthe
harddiskdrive.
Wirelessoffmode
Inwirelessoffmode,thewirelessfeaturesareturnedofftoconservepower.Toturnofforturnonthe
wirelessfeatures,pressF8.
Symptom-to-FRUindex
Thissectioncontainsfollowinginformation:
•“Numericerrorcodes”onpage36
•“Errormessages”onpage38
•“No-beepsymptoms”onpage38
•“LCD-relatedsymptoms”onpage39
•“Intermittentproblems”onpage39
•“Undeterminedproblems”onpage39
Thesymptom-to-FRUindexinthissectionlistssymptomsanderrorsandtheirpossiblecauses.Themost
likelycauseislistedrst,inboldfacetype.
Note:DotheFRUreplacementorotheractionsinthesequenceshowninthecolumnheaded“FRUor
action,insequence.”IfreplacingaFRUdoesnotsolvetheproblem,puttheoriginalpartbackinthe
computer.DonotreplaceanondefectiveFRU.
Thisindexcanalsohelpyoudetermine,duringregularservicing,whatFRUsarelikelytoneedtobe
replacednext.
AnumericerrorisdisplayedforeacherrordetectedinPOSTorsystemoperation.Inthedisplays,ncan
beanynumber.
Ifnonumericcodeisdisplayed,checkthenarrativedescriptionsofsymptoms.Ifthesymptomisnot
describedthere,goto“Intermittentproblems”onpage39
.
Note:ForadevicenotsupportedbydiagnosticcodesintheThinkPadnotebookcomputers,seethe
manualforthatdevice.
Numericerrorcodes
Table2.Numericerrorcodes
Symptomorerror
FRUoraction,insequence
0177
BadSVPdata,stopPOSTtask—Thechecksumofthe
supervisorpasswordintheEEPROMisnotcorrect.
Systemboard.
0183
BadCRCofSecuritySettingsinEFIVariable.Enterthe
ThinkPadSetupprogram.
1.RuntheThinkPadSetupprogram,andthensave
currentsettingbypressingF10.
2.Systemboard.
0187
EAIAdataaccesserror—TheaccesstoEEPROMisfailed.
Systemboard.
0188
InvalidRFIDSerializationInformationArea.
Systemboard.
36HardwareMaintenanceManual
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