User's Manual

Chapter8.Troubleshootinganddiagnostics

Thischapterdescribessomebasictroubleshootinganddiagnosticprograms.Ifyourcomputerproblem

isnotdescribedhere,seeChapter10“Gettinginformation,help,andservice”onpage39

foradditional

troubleshootingresources.

Basictroubleshooting

Thefollowingtableprovidesinformationtohelpyoutroubleshootyourcomputerproblem.

SymptomAction

Thecomputerdoesnotstart

whenyoupressthepower

button.

Verifythat:

•Thepowercordispluggedintotherearofthecomputerandintoaworking

electricaloutlet.

•Ifyourcomputerhasasecondarypowerswitchonthebackofthecomputer,

makesurethatitisswitchedon.

•Thepowerindicatoronthefrontofthecomputerison.

Ifyoucannotcorrecttheproblem,havethecomputerserviced.Refertothesafety

andwarrantyinformationthatisprovidedwithyourcomputerforalistofservice

andsupporttelephonenumbers.

Themonitorscreenisblank.

Verifythat:

•Themonitorcableissecurelyattachedtotherearofthemonitorandtothe

rearofthecomputer.

•Themonitorpowercordispluggedintothemonitorandintoaworkingelectrical

outlet.

•Themonitoristurnedonandthebrightnessandcontrastcontrolsareset

correctly.

•Themonitorsignalcableissecurelyconnectedtothemonitorandtothemonitor

connectoronthecomputer.

Ifyoucannotcorrecttheproblem,havethecomputerserviced.Refertothesafety

andwarrantyinformationthatisprovidedwithyourcomputerforalistofservice

andsupporttelephonenumbers.

Thekeyboarddoesnotwork.

Thecomputerdoesnotrespond

tothekeyboard.

Verifythat:

•Thecomputeristurnedon.

•Themonitoristurnedonandthebrightnessandcontrastcontrolsareset

correctly.

•Thekeyboardissecurelyconnectedtothekeyboardconnectoronthecomputer.

•Nokeysarestuck.

Ifyoucannotcorrecttheproblem,havethecomputerserviced.Refertothesafety

andwarrantyinformationthatisprovidedwithyourcomputerforalistofservice

andsupporttelephonenumbers.