Lenovo ThinkPad Edge E425 - Beep Errors; Memory Module Problems; Networking Problems

Beeperrors
Table7.Beeperrors
Problem
Solution
Oneshortbeep,pause,threeshortbeeps,pause,three
moreshortbeeps,andoneshortbeep
Makesurethatmemorymodulesareinstalledcorrectly.If
theyare,andyoustillhearthebeeps,havethecomputer
serviced.
Onelongandtwoshortbeeps
Thevideofunctionhasaproblem.Havethecomputer
serviced.
FivebeepsThesystemboardhasaproblem.Havethecomputer
serviced.
Memorymoduleproblems
Printtheseinstructionsnowandkeepitwithyourcomputerforreferencelater.
Ifyourmemorymoduleisnotoperatingproperly,checkthefollowingitems:
1.Verifythatthememorymoduleisinstalledandseatedcorrectlyinyourcomputer.
Itmightbenecessarytoremovealladdedmemorymodulestotestthecomputerwithonlythe
factory-installedmemorymodules,andthenreinstallthememorymoduleoneatatimetoensurea
properconnection.Fortheprocedurestoremoveandreinstallamemorymodule,referto“Replacinga
memorymodule”onpage81
.
2.Checkforerrormessagesduringstartup.
FollowtheappropriatecorrectiveactionsforPower-onself-test(POST)errormessages,see“Error
messages”onpage115.
3.VerifythatthelatestUEFIBIOSforyourmodelhasbeeninstalled.
4.Verifythepropermemorycongurationandcompatibilityincludingthemaximummemorysizeandthe
memoryspeed.
Fordetails,refertotheinstructionsin“Replacingamemorymodule”onpage81.
5.Rundiagnosticprograms.See“Diagnosingproblems”onpage113.
Networkingproblems
Thefollowingarethemostcommonnetworkingproblems.
Ethernetproblems
•Problem:Yourcomputercannotconnecttothenetwork.
Solution:Makesurethat:
–Thecableisinstalledproperly.
ThenetworkcablemustbesecurelyconnectedbothtotheEthernetconnectorofyourcomputerand
totheRJ45connectorofthehub.Themaximumallowabledistancefromthecomputertohubis
100meters.Ifthecableisconnectedandthedistanceiswithinacceptablelimitsbuttheproblem
persists,tryadifferentcable.
–Youareusingthecorrectdevicedriver.
1.ClickStart➙ControlPanel➙HardwareandSound➙DeviceManager.Ifyouareprompted
foranadministratorpasswordorconrmation,typethepasswordorprovideconrmation.
2.Ifthe!markistotheleftoftheadapternameunderNetworkadapters,youmightnotusethe
correctdriverorthedriverisnotenabled.Toupdatethedriver,right-clickthehighlightedadapter.
120UserGuide