Problemswiththedisplayandmultimediadevices
Thistopicincludesthemostcommonproblemswithdisplaysandmultimediadevices,includingthe
computerdisplay,theexternalmonitor,audiodevices,andtheopticaldrive.

Computerscreenpr oblems

•Problem:Thescreenisblank.
Solution:Dothefollowing:
–PressF7tobringuptheimage.
–Ifyouarenotrunningoutyourbatterypower,pressF6tomakethescreenbrighter.
–Ifyourcomputerisinsleepmode,pressFntoresumefr omthesleepmode.
–Iftheproblempersists,followthesolutionforthefollowingproblem.
•Problem:Thescreenisunreadableordistorted.
Solution:Ensurethat:
–Thedisplaydevicedriverisinstalledcorrectly.
–Thescr eenresolutionandcolorqualityarecorrectlyset.
–Themonitortypeiscorrect.
Tocheckthesesettings,dothefollowing:
1.Right-clickonthedesktop,andclickScreenresolution.Checkwhetherthescreenresolution
iscorrectlyset.
2.ClickAdvancedSettings
3.ClicktheAdaptertab.Ensurethatthecorrectdevicedrivernameisshownintheadapterinformation
window.
Note:Thedevicedrivernamedependsonthevideochipthathasbeeninstalledonyourcomputer.
4.ClickthePropertiesbutton.Ifyouarepromptedforanadministratorpasswordorconrmation,type
thepasswordorprovideconrmation.ChecktheDevicestatusboxandensurethatthedeviceis
workingcorr ectly.Ifnot,clicktheTroubleshootbuttonandfollowtheinstructionsonthescreen.
5.ClicktheMonitortab.Ensurethatthecorrectdevicedrivernameisshownintheadapterinformation
window.
Note:Thedevicedrivernamedependsonthevideochipthathasbeeninstalledonyourcomputer.
6.ClickthePropertiesbutton.Ifyouarepromptedforanadministratorpasswordorconrmation,type
thepasswordorprovideconrmation.ChecktheDevicestatusboxandensurethatthedeviceis
workingcorr ectly.Ifnot,clicktheTroubleshootbuttonandfollowtheinstructionsonthescreen.
7.ClicktheColorManagementtab.Checkwhetherthecolorqualityiscorrectlyset,andensure
thattheotherinformationalsoiscorrect.Ifyouarepromptedforanadministr atorpasswordor
conrmation,typethepasswordorprovideconrmation.ChecktheDevicestatusboxandensure
thatthedeviceisworkingcorrectly.Ifnot,clicktheT roubleshootbuttonandfollowtheinstructions
onthescreen.
•Problem:Incorrectcharactersaredisplayedonthescreen.
Solution:Didyouinstalltheoperatingsystemorapplicationprogramcorrectly?Iftheyareinstalledand
conguredcorrectly,havethecomputerserviced.
•Problem:Thescreenstaysonevenafteryouturnoffyourcomputer.
Chapter9.Troubleshootingcomputerproblems95