Lenovo ThinkPad Edge E531 User Manual Page 146

  • Download
  • Add to my manuals
  • Print
  • Page
    / 182
  • Table of contents
  • BOOKMARKS
  • Rated. / 5. Based on customer reviews
Page view 145
Table7.Beeperrors(continued)
Onelongandtwoshortbeeps
Thevideofunctionhasaproblem.Havethecomputer
serviced.
FivebeepsThesystemboardhasaproblem.Havethecomputer
serviced.
Memorymoduleproblems
Printtheseinstructionsnowandkeepitwithyourcomputerforreferencelater.
Ifyourmemorymoduleisnotoperatingproperly,checkthefollowingitems:
1.Verifythatthememorymoduleisinstalledandseatedcorrectlyinyourcomputer.
Itmightbenecessarytoremovealladdedmemorymodulestotestthecomputerwithonlythe
factory-installedmemorymodules,andthenreinstallthememorymoduleoneatatimetoensure
aproperconnection.
2.Checkforerrormessagesduringstartup.
Followtheappropriatecorrectiveactionsforpower-onself-test(POST)errormessages.
3.VerifythatthelatestUEFIBIOSforyourmodelhasbeeninstalled.
4.Verifythepropermemoryconfigurationandcompatibilityincludingthemaximummemorysizeandthe
memoryspeed.
5.Rundiagnosticprograms.See“Diagnosingproblems”onpage125.
Networkingproblems
Thefollowingarethemostcommonnetworkingproblems:
Ethernetproblems
Problem:Yourcomputercannotconnecttothenetwork.
Solution:Makesurethat:
Thecableisinstalledcorrectly.
ThenetworkcablemustbesecurelyconnectedbothtotheEthernetconnectorofyourcomputerand
totheRJ45connectorofthehub.Themaximumallowabledistancefromthecomputertohubis
100meters.Ifthecableisconnectedandthedistanceiswithinacceptablelimitsbuttheproblem
persists,tryadifferentcable.
Youareusingthecorrectdevicedriver.
1.GotoControlPanelandclickHardwareandSoundDeviceManager.Ifyouarepromptedfor
anadministratorpasswordorconfirmation,typethepasswordorprovideconfirmation.
2.Iftheexclamationmark!isdisplayednexttotheadapternameunderNetworkadapters,you
mightnotbeusingthecorrectdriverorthedrivermighthavebeendisabled.Toupdatethedriver,
right-clickthehighlightedadapter.
3.ClickUpdateDriverSoftware,andthenfollowtheinstructionsonthescreen.
Theswitchportandtheadapterhavethesameduplexsetting.
Ifyouconfiguredtheadapterforfullduplex,makesurethattheswitchportalsoisconfiguredfor
fullduplex.Settingthewrongduplexmodecandegradeperformance,causedataloss,orresultin
lostconnections.
Youhaveinstalledallnetworkingsoftwarethatisnecessaryforyournetworkenvironment.
CheckwithyourLANadministratorforthenecessarynetworkingsoftware.
130UserGuide
Page view 145
1 2 ... 141 142 143 144 145 146 147 148 149 150 151 ... 181 182

Comments to this Manuals

No comments