–UseeithertheRescueandRecoveryworkspaceortherecoverydiscstorestorethesystemto
thefactorystate.Fordetailsaboutrestoringthesystemtothefactorystate,seeCreatingand
usingrecoverymedia.
Iftheproblempersists,havethecomputerserviced.
•Problem:Myscreengoesblankwhilethecomputerison.
Solution:Yourscreensaverorpowermanagementmaybeenabled.Doeitherofthefollowing:
–TouchtheTrackPointorthetouchpad,orpressakeytoexitthescreensaver.
–Pressthepowerswitchtoresumefromsleeporhibernation.
Beeperrors
Table7.Beeperrors
ProblemSolution
Oneshortbeep,pause,threeshortbeeps,pause,three
moreshortbeeps,andoneshortbeep
Makesurethatmemorymodulesareinstalledcorrectly.If
theyare,andyoustillhearthebeeps,havethecomputer
serviced.
OnelongandtwoshortbeepsThevideofunctionhasaproblem.Havethecomputer
serviced.
FourcyclesoffourshortbeepsTheSecurityChiphasaproblem.Havethecomputer
serviced.
FivebeepsThesystemboardhasaproblem.Havethecomputer
serviced.
Memoryproblems
Printtheseinstructionsnowandkeepitwithyourcomputerforreferencelater.
Ifyourmemoryisnotoperatingproperly,checkthefollowingitems:
1.V erifythatthememoryisinstalledandseatedcorrectlyinyourcomputer.
Itmaybenecessarytoremovealladdedmemoriestotestthecomputerwithonlythefactory-installed
memories,andthenreinstallthememoryoneatatimetoensureaproperconnection.Forthe
procedurestoremoveandreinstallamemory,refertoReplacingmemory.
2.Checkforerrormessagesduringstartup.
Followtheappropriat ecorrectiveactionsforPower-onself-test(POST)listedinErrormessages.
3.V erifythatthelatestsystemBIOS(UEFBIOSI)foryourmodelhasbeeninstalled.
4.V erifythepropermemorycongurationandcompatibilityincludingthemaximummemorysizeandthe
memoryspeed.
Fordetails,refertotheinstructionsinReplacingmemory.
5.RunLenovoThinkVantageToolbox.
Networking
Thefollowingarethemostcommonnetworkingproblems:

Ethernetproblems

•Problem:Yourcomputercannotconnecttothenetwork.
Solution:Makesurethat:
128UserGuide