Multitech T540p Uživatelská příručka Strana 143

  • Stažení
  • Přidat do mých příruček
  • Tisk
  • Strana
    / 177
  • Tabulka s obsahem
  • KNIHY
  • Hodnocené. / 5. Na základě hodnocení zákazníků
Zobrazit stránku 142
Table7.Beeperrors(continued)
Problem
Solution
Fourcyclesoffourshortbeeps
Shutdownthecomputerimmediatelyandhavethe
computerserviced.
FiveshortbeepsThesystemboardhasaproblem.Havethecomputer
serviced.
Memorymoduleproblems
Printtheseinstructionsnowandkeeptheinstructionswithyourcomputerforreferencelater.
Ifyourmemorymoduleisnotoperatingproperly,checkthefollowingitems:
1.Verifythatthememorymoduleisinstalledandseatedcorrectlyinyourcomputer.
Itmightbenecessarytoremovealladdedmemorymodulestotestthecomputerwithonlythe
factory-installedmemorymodules,andthenreinstallthememorymoduleoneatatimetoensure
aproperconnection.
2.Checkforerrormessagesduringstartup.
Followtheappropriatecorrectiveactionsforpower-onself-test(POST).See“Errormessages”on
page124.
3.VerifythatthelatestUEFIforyourmodelhasbeeninstalled.
4.Verifythepropermemorycongurationandcompatibilityincludingthemaximummemorysizeandthe
memoryspeed.
5.Rundiagnosticprograms.See“Diagnosingproblems”onpage123.
Networkingproblems
Thefollowingarethemostcommonnetworkingproblems.
Ethernetproblems
Problem:Thecomputercannotconnecttothenetwork.
Solution:Makesurethat:
Thecableisinstalledcorrectly.
ThenetworkcablemustbesecurelyconnectedbothtotheEthernetconnectorofyourcomputerand
totheRJ45connectorofthehub.Themaximumallowabledistancefromthecomputertohubis
100meters.Ifthecableisconnectedandthedistanceiswithinacceptablelimitsbuttheproblem
persists,tryadifferentcable.
Youareusingthecorrectdevicedriver.Toinstallthecorrectdriver,dothefollowing:
1.OpenControlPanelandclickHardwareandSoundDeviceManager.Ifyouarepromptedfor
anadministratorpasswordorconrmation,typethepasswordorprovideconrmation.
2.Iftheexclamationmark!isdisplayednexttotheadapternameunderNetworkadapters,you
mightnotbeusingthecorrectdriverorthedrivermighthavebeendisabled.Toupdatethedriver,
right-clickthehighlightedadapter.
3.ClickUpdateDriverSoftware,andthenfollowtheinstructionsonthescreen.
Theswitchportandtheadapterhavethesameduplexsetting.
Ifyouconguredtheadapterforfullduplex,makesurethattheswitchportalsoisconguredforfull
duplex.Settingwrongduplexmodecandegradeperformance,causedataloss,orresultinlost
connections.
Chapter10.Troubleshootingcomputerproblems127
Zobrazit stránku 142
1 2 ... 138 139 140 141 142 143 144 145 146 147 148 ... 176 177

Komentáře k této Příručce

Žádné komentáře