–IfyoursystemisinstalledwiththeWindows8operatingsystem,useeithertheRemoveeverything
andreinstallWindowsfunctionortherecoverydiscstorestorethesystemtothefactorystate.
Iftheproblempersists,havethecomputerserviced.
•Problem:Myscreengoesblankwhilethecomputerison.
Solution:Yourscreensaverorpowermanagementmighthavebeenenabled.Doeitherofthefollowing:
–TouchtheTrackPointpointingdeviceorthetouchpad,orpressakeytoexitthescreensaver.
–Pressthepowerswitchtoresumefromsleeporhibernation.
Beeperrors
Table8.Beeperrors
ProblemSolution
Oneshortbeep,pause,threeshortbeeps,pause,three
moreshortbeeps,andoneshortbeep
Makesurethatmemorymodulesareinstalledcorrectly.If
theyare,andyoustillhearthebeeps,havethecomputer
serviced.
OnelongandtwoshortbeepsThevideofunctionhasaproblem.Havethecomputer
serviced.
FourcyclesoffourshortbeepsTheSecurityChiphasaproblem.Havethecomputer
serviced.
FiveshortbeepsThesystemboardhasaproblem.Havethecomputer
serviced.
Threeshortbeeps,pause,oneshortbeep,pause,one
moreshortbeep,andthreeshortbeeps
PCIresourceallocationfailure.Poweroffandremove
devicefromExpressCardSlot.Ifthebeepspersist,have
thecomputerserviced.
Memorymoduleproblems
Printtheseinstructionsnowandkeepitwithyourcomputerforreferencelater.
Ifyourmemorymoduleisnotoperatingproperly,checkthefollowingitems:
1.V erifythatthememorymoduleisinstalledandseatedcorrectlyinyourcomputer.
Itmightbenecessarytoremovealladdedmemorymodulestotestthecomputerwithonlythe
factory-installedmemorymodules,andthenreinstallthememorymoduleoneatatimetoensur e
aproperconnection.
2.Checkforerrormessagesduringstartup.
Followtheappropriatecorrectiveactionsforpower-onself-test(POST)errormessages.
3.V erifythatthelatestUEFIforyourmodelhasbeeninstalled.
4.V erifythepropermemorycongurationandcompatibilityincludingthemaximummemorysizeandthe
memoryspeed.
5.RuntheLenovoSolutionCenterprogram.
Networkingproblems
Thefollowingarethemostcommonnetworkingproblems:

Ethernetproblems

Problem:Yourcomputercannotconnecttothenetwork.
Chapter10.Troubleshootingcomputerproblems141