Also,thecomputergoesintohibernationmodeautomaticallyafteraperiodofinactivityspeciedinpower
plansettings.
Whenthepoweristurnedon,thecomputerreturnsfromhibernationmodeandresumesoperation.The
hibernationleinthebootrecordontheharddiskdriveisread,andsystemstatusisrestoredfromthe
harddiskdrive.
Symptom-to-FRUindex
Thissectioncontainsfollowinginformation:
•“Numericerrorcodes”onpage38
•“Errormessages”onpage39
•“No-beepsymptoms”onpage39
•“LCD-relatedsymptoms”onpage39
•“Intermittentproblems”onpage40
•“Undeterminedproblems”onpage40
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”onpage40.
Note:ForadevicenotsupportedbydiagnosticcodesintheThinkPadnotebooks,seethemanualfor
thatdevice.
Numericerrorcodes
Table2.Numericerrorcodes
Symptomorerror(beeps,ifany)
FRUoraction,insequence
0187
EAIAdataaccesserror-TheaccesstoEEPROMisfailed.
(twoshortbeeps)
Systemboard.
0189
InvalidRFIDcongurationinformationarea-TheEEPROM
checksumisnotcorrect.
(twoshortbeeps)
Systemboard.
0190
Criticallow-batteryerror
(twoshortbeeps)
1.Chargethebatterypack.
2.Batterypack.
0191
SystemSecurity-InvalidRemoteChangerequested.
1.RuntheThinkPadSetupprogram,andthensave
currentsettingbypressingFn+F10.
2.Systemboard.
38HardwareMaintenanceManual