User's Manual

Table Of Contents
Beeperrors
Table6.Beeperrors
Problem
Solution
Oneshortbeep,pause,threeshortbeeps,pause,three
moreshortbeeps,andoneshortbeep
Thememorymodulehasaproblem.Havethecomputer
serviced.
Threeshortbeeps,pause,oneshortbeep,pause,one
moreshortbeep,andthreeshortbeeps
PCIresourceallocationfailure.Poweroffthecomputer
andremovethePCIdevices.Ifthebeepspersist,have
thecomputerserviced.
Onelongandtwoshortbeeps
Thevideofunctionhasaproblem.Havethecomputer
serviced.
Fourcyclesoffourshortbeeps
TheSecurityChiphasaproblem.Havethecomputer
serviced.
FiveshortbeepsThesystemboardhasaproblem.Havethecomputer
serviced.
Fiveshortbeeps,pause,veshortbeeps,andpause
Continuetobootimmediatelywhentheerrorwas
detected.
Memorymoduleproblems
Printtheseinstructionsnowandkeeptheinstructionswithyourcomputerforreferencelater.
Ifyourmemorymoduleisnotoperatingproperly,checkthefollowingitems:
1.Checkforerrormessagesduringstartup.
Followtheappropriatecorrectiveactionsforpower-onself-test(POST)errormessages.
2.VerifythatthelatestUEFIBIOSforyourmodelhasbeeninstalled.
3.Verifythepropermemorycongurationandcompatibilityincludingthemaximummemorysizeandthe
memoryspeed.
4.RuntheLenovoSolutionCenterprogram.
Networkingproblems
Thefollowingarethemostcommonnetworkingproblems:
Ethernetproblems
Problem:Thecomputercannotconnecttothenetwork.
Solution:Makesurethat:
TheLenovoUSB2.0EthernetAdapterorsupportedThinkPadOneLinkDockisconnectedcorrectlyto
yourcomputer.
Thecableisinstalledcorrectly.
ThenetworkcablemustbesecurelyconnectedbothtotheLenovoUSB2.0EthernetAdapterofyour
computerandtotheRJ45connectorofthehub.Themaximumallowabledistancefromthecomputer
tohubis100meters.Ifthecableisconnectedandthedistanceiswithinacceptablelimitsbutthe
problempersists,tryadifferentcable.
Youareusingthecorrectdevicedriver.Toinstallthecorrectdriver,dothefollowing:
1.OpenControlPanelandclickHardwareandSoundDeviceManager.Ifyouarepromptedfor
anadministratorpasswordorconrmation,typethepasswordorprovideconrmation.
Chapter9.Troubleshootingcomputerproblems85