Lenovo ThinkCentre E63z - Chapter 8. Troubleshooting and Diagnostics; Basic Troubleshooting

Chapter8.Troubleshootinganddiagnostics
Thischapterprovidesinformationaboutdiagnosingandtroubleshootingcomputerproblems.Ifyour
computerproblemisnotdescribedhere,seeChapter12“Gettinginformation,help,andservice”onpage
129foradditionaltroubleshootingresources.
Basictroubleshooting
Thefollowingtableprovidessomebasicinstructionstohelpyoutroubleshootyourcomputerproblems.
Note:Ifyoucannotcorrecttheproblem,havethecomputerserviced.Foralistofserviceandsupport
telephonenumbers,refertotheSafety,Warranty,andSetupGuidethatcomeswithyourcomputerorgoto
theLenovoSupportWebsiteat:
http://www.lenovo.com/support/phone
SymptomAction
Thecomputerdoesnotstart
whenyoupressthepower
button.
Ensurethat:
•Thepowercordiscorrectlyconnectedtotherearofthecomputerandtoa
workingelectricaloutlet.
•Ifyourcomputerhasasecondarypowerswitchontherearofthecomputer,
ensurethatitisswitchedon.
•Thepowerindicatoronthefrontofthecomputerison.
•Thecomputervoltagematchesthevoltageavailableattheelectricaloutletfor
yourcountryorregion.
Themonitorscreenisblank.Ensurethat:
•Themonitorsignalcableiscorrectlyconnectedtothemonitorandtothe
appropriatemonitorconnectoronthecomputer.
•Themonitorpowercordiscorrectlyconnectedtothemonitorandtoaworking
electricaloutlet.
•Themonitoristurnedonandthebrightnessandcontrastissetcorrectly.
•Thecomputervoltagematchesthevoltageavailableattheelectricaloutletfor
yourcountryorregion.
•Ifyourcomputerhasadiscretegraphicscardinstalled,besuretouseamonitor
connectoronthediscretegraphicscard.
Thekeyboarddoesnotwork.Ensurethat:
•Thecomputeristurnedon.
•ThekeyboardissecurelyconnectedtoaPS/2keyboardconnectororaUSB
connectoronthecomputer.
•Nokeysarestuck.
Themousedoesnotwork.Ensurethat:
•Thecomputeristurnedon.
•ThemouseissecurelyconnectedtoaPS/2mouseconnectororaUSB
connectoronthecomputer.
•Themouseisclean.Referto“Opticalmouse”onpage69forfurtherinformation.
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