Errormessages
Table2.Errormessages
Symptomorerror
FRUoraction,insequence
Fanerror1.Fan
2.Thermalgrease
3.Systemboard
Thermalsensingerror
Systemboard
Beepsymptoms
Table3.Beepsymptoms
Symptomorerror
FRUoraction,insequence
Oneshortbeep,pause,threeshortbeeps,pause,three
moreshortbeeps,pause,andoneshortbeep
Systemboard
OnelongandtwoshortbeepsSystemboard
Fourcyclesoffourshortbeeps
Systemboard
Fiveshortbeeps
Systemboard
No-beepsymptoms
Table4.No-beepsymptoms
Symptomorerror
FRUoraction,insequence
Nobeep,system-statusindicatoron,LCDblank,andno
POST.
1.Ensurethateveryconnectorisconnectedtightly
andcorrectly.
2.Systemboard
Nobeep,system-statusindicatoron,andLCDblank
duringPOST.
Systemboard
Thepower-onpasswordpromptappears.Apower-onpasswordorasupervisorpasswordis
set.TypethepasswordandpressEnter.
Thehard-diskpasswordpromptappears.Ahard-diskpasswordisset.Typethepasswordand
pressEnter.
LCD-relatedsymptoms
Important:TheTFTLCDforthenotebookcomputercontainsmanythin-filmtransistors(TFTs).The
presenceofasmallnumberofdotsthataremissing,discolored,oralwayslightedischaracteristicofTFT
LCDtechnology,butexcessivepixelproblemscancauseviewingconcerns.IftheLCDyouareservicinghas
twoorlessvisibledefectivepixels,itshouldnotbeconsideredfaulty.However,iftheLCDhasthreeormore
visibledefectivepixels,itwillbedeemedasdefectivebyLenovoanditshouldbereplaced.
Notes:
•ThispolicyappliestoallThinkPadnotebookspurchasedon1January,2008orlater.
•LenovowillnotprovidereplacementiftheLCDiswithinspecificationaswecannotguaranteethat
anyreplacementLCDwillhavezeropixeldefects.
•OnepixelconsistsofR,G,Bsub-pixels.
Chapter4.Relatedserviceinformation37
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