Sharp VL-E40S Informazioni Techniche Pagina 51

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Errormessages
Table3.Errormessages
Symptomorerror(beeps,ifany)
FRUoraction,insequence
BadCRC2.EnterBIOSSetupUtility,andloadSetup
defaults.
(twoshortbeeps)
PressF1toenterBIOSSetupUtility.PressF9,and
Entertoloadthedefaultsetting.Thensavethecurrent
settingbypressingF10,andrestartthecomputer.
Fanerror.
(fourshortbeeps,onelongbeep)
1.Fan.
2.Thermalgrease.
3.Systemboard.
DRAMisunplugged.
(oneshortbeep,pause,threeshortbeeps,pause,three
shortbeeps,pause,oneshortbeep.)
Memorycardisnotinstalled.Installmemorycard.
DRAMisnotwellplugged.
(oneshortbeep,pause,threeshortbeeps,pause,three
shortbeeps,pause,oneshortbeep.)
Reinstallthememorycard.
Operatingsystemnotfound.1.Checkthattheoperatingsystemhasnofailure
andisinstalledcorrectly.
2.EnterBIOSSetupUtilityandseewhetherthehard
diskdriveisproperlyidentied.Ifyoustillseethe
sameerrormessage,checkthebootsequence.
3.Reinstalltheharddiskdrive.
4.Reinstalltheoperatingsystem.
SystemCongurationDataReadError
(twoshortbeeps)
PressF1toenterBIOSSetupUtility.PressF9,and
Entertoloadthedefaultsetting.Thensavethecurrent
settingbypressingF10,andrestartthecomputer.
No-beepsymptoms
Table4.No-beepsymptoms
Symptomorerror
FRUoraction,insequence
Nobeep,power-onindicatoron,LCDblank,andno
POST.
1.Makesurethateveryconnectorisconnected
tightlyandcorrectly.
2.Memorymodule.
3.Systemboard.
Nobeep,power-onindicatoron,andLCDblankduring
POST.
1.ReseatMemorymodule.
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.
Chapter4.Relatedserviceinformation45
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