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Iftheproblempersists,havethecomputerserviced.
Problem:Myscreengoesblankwhilethecomputerison.
Solution:Yourscreensaverorpowermanagementmighthavebeenenabled.Doeitherofthefollowing:
TouchtheTrackPointpointingdeviceorthetouchpad,orpressakeytoexitthescreensaver.
Pressthepowerbuttontoresumefromsleeporhibernation.
Beeperrors
Table7.Beeperrors
Problem
Solution
Oneshortbeep,pause,threeshortbeeps,pause,three
moreshortbeeps,andoneshortbeep
Ensurethatmemorymodulesareinstalledcorrectly.If
theyare,andyoustillhearthebeeps,havethecomputer
serviced.
Threeshortbeeps,pause,oneshortbeep,pause,one
moreshortbeep,andthreeshortbeeps
PCIresourceallocationfailure.Poweroffthecomputer
andremovethedevicefromtheExpressCardslot.Ifthe
beepspersist,havethecomputerserviced.
Onelongandtwoshortbeeps
Thevideofunctionhasaproblem.Havethecomputer
serviced.
Fourcyclesoffourshortbeeps
TheSecurityChiphasaproblem.Havethecomputer
serviced.
FiveshortbeepsThesystemboardhasaproblem.Havethecomputer
serviced.
Fiveshortbeeps,pause,veshortbeeps,andpause
Continuetobootimmediatelywhentheerrorwas
detected.
Memorymoduleproblems
Printtheseinstructionsnowandkeepitwithyourcomputerforreferencelater.
Ifyourmemorymoduleisnotoperatingproperly,checkthefollowingitems:
1.Verifythatthememorymoduleisinstalledandseatedcorrectlyinyourcomputer.
Itmightbenecessarytoremovealladdedmemorymodulestotestthecomputerwithonlythe
factory-installedmemorymodules,andthenreinstallthememorymoduleoneatatimetoensurea
properconnection.Fortheprocedurestoremoveandreinstallamemorymodule,referto“Replacing
andinstallingamemorymodule”onpage74.
2.Checkforerrormessagesduringstartup.
FollowtheappropriatecorrectiveactionsforPower-onself-test(POST).See“Errormessages”on
page128.
3.VerifythatthelatestUEFIBIOSforyourmodelhasbeeninstalled.
4.Verifythepropermemorycongurationandcompatibilityincludingthemaximummemorysizeandthe
memoryspeed.Fordetails,refertotheinstructionsin“Replacingandinstallingamemorymodule”
onpage74.
5.RuntheLenovoSolutionCenterprogram.
Networkingproblems
Thefollowingarethemostcommonnetworkingproblems:
Chapter10.Troubleshootingcomputerproblems131
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