Personal Computer User Manual

Chapter5.Troubleshootinganddiagnostics

Thischapterdescribessomebasictroubleshootinganddiagnosticprograms.Ifyourcomputerproblemis

notdescribedhere,see“Diagnostics”onpage49

foradditionaltroubleshootingresources.

Basictroubleshooting

Thefollowingtableprovidesinformationtohelpyoutroubleshootyourcomputerproblems.

Note:Ifyoucannotcorrecttheproblem,havethecomputerserviced.Foralistofserviceandsupport

telephonenumbers,refertotheThinkCentreEdgeSafetyandWarrantyGuidethatcomeswithyourcomputer

orgototheLenovoSupportWebsiteathttp://www.lenovo.com/support/phone.

SymptomAction

Thecomputerdoesnotstart

whenyoupressthepower

switch.

Verifythat:

•Thepowercordiscorrectlyconnectedtotherearofthecomputerandtoa

workingelectricaloutlet.

•Ifyourcomputerhasasecondarypowerswitchontherearofthecomputer,

makesurethatitisswitchedon.

•Thepowerindicatoronthefrontofthecomputerison.

•Thecomputervoltagematchesthevoltageavailableattheelectricaloutletfor

yourcountryorregion.

Themonitorscreenisblank.

Verifythat:

•Themonitorpowercordiscorrectlyconnectedtothemonitorandtoaworking

electricaloutlet.

•Themonitoristurnedonandthebrightnessandcontrastcontrolsareset

correctly.

•Thecomputervoltagematchesthevoltageavailableattheelectricaloutletfor

yourcountryorregion.

Thekeyboarddoesnotwork.

Verifythat:

•Thecomputeristurnedon.

•ThekeyboardissecurelyconnectedtoaUSBconnectoronthecomputer.

•Nokeysarestuck.

Themousedoesnotwork.

Verifythat:

•Thecomputeristurnedon.

•ThemouseissecurelyconnectedtoaUSBconnectoronthecomputer.

•Themouseisclean.