Lenovo 3093AC6 Bedienungsanleitung Seite 55

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Table4.Beepsymptoms(continued)
Symptomorerror
FRUoraction,insequence
Twoshortbeepsandablankscreen.
1.Systemboard.
2.DIMM.
Twoormorebeeps,oracontinuousbeep.Operating
systemstartssuccessfully.
Ifamini-PCIEthernetcardisinstalled,conrmthatAlert
OnLAN2in
BIOSSetupUtilityisdisabled.
Threeshortbeeps,pause,threemoreshortbeeps,and
oneshortbeep.
Oneshortbeep,pause,threeshortbeeps,pause,three
moreshortbeeps,andoneshortbeep.
1.DIMM.
2.Systemboard
Onlythecursorappears.
Reinstalltheoperatingsystem.
Fourcyclesoffourshortbeepsandablankscreen.
Systemboard(securitychip)
Fiveshortbeepsandablankscreen.
Systemboard
No-beepsymptoms
Table5.No-beepsymptoms
Symptomorerror
FRUoraction,insequence
Nobeep,power-onindicatoron,LCDblank,andno
POST.
1.Makesurethateveryconnectorisconnected
tightlyandcorrectly.
2.DIMM.
3.Systemboard.
Nobeep,power-onindicatoron,andLCDblankduring
POST.
1.ReseatDIMM.
2.Systemboard.
Thepower-onpasswordpromptappears.Apower-onpasswordorasupervisorpasswordisset.
TypethepasswordandpressEnter.
Thehard-diskpasswordpromptappears.Ahard-diskpasswordisset.T ypethepasswordand
pressEnter.
LCD-relatedsymptoms
Important:TheTFTLCDforthenotebookcomputercontainsmanythin-lmtransistors(TFTs).The
presenceofasmallnumberofdotsthataremissing,discolored,oralwayslightedischaracteristicofTFT
LCDtechnology,butexcessivepixelproblemscancauseviewingconcerns.
IftheLCDyouareservicinghastwoorlessvisibledefectivepixels,itshouldnotbeconsideredfaulty.
However,iftheLCDhasthreeormorevisibledefectivepixels,itwillbedeemedasdefectivebyLenovoand
itshouldbereplaced.
Notes:
Thispolicyappliestoall
ThinkPadNotebookspurchasedon1January,2008orlater.
Chapter4.Relatedserviceinformation47
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