Displayandmultimediadevices
Thissectionincludesthemostcommondisplayandmultimediadevicesproblemswhicharecomputer
screen,externalmonitor,audio,andopticaldrive.Checkthesetopicstolearnmoreinformation.

Computerscreenproblems

•Problem:Thescreenisblank.
Solution:Dothefollowing:
–PressFn+F7tobringuptheimage.
Note:IfyouusetheFn+F7keycombinationtoapplyapresentationscheme,pressFn+F7atleast
threetimesinthreeseconds,andtheimageisdisplayedonthecomputerscreen.
–Ifyouareusingtheacpoweradapter,orusingthebatteryandthebatterystatusindicatorison(is
green),pressFn+Hometomakethescreenbrighter.
–Ifthesleep(standby)statusindicatorison(isgreen),pressFntoresumefromthesleep(standby)mode.
–Iftheproblempersists,dotheSolutionintheproblembelow.
Note:IfyourcomputerisaWindows7model,itdoesnotsupportthepresentationscheme.
•Problem:Thescreenisunreadableordistorted.
Solution:Makesurethat:
–Thedisplaydevicedriverisinstalledcorrectly .
–Thescreenresolutionandcolorqualityarecorrectlyset.
–Themonitortypeiscorrect.
Tocheckthesesettings,doasfollows:
ForWindows7:
1.Right-clickonthedesktop,andclickPersonalize.
2.ClickDisplayattheleft.
3.SelectChangedisplaysettings.Checkwhetherthescreenr esolutioniscorrectlyset.
4.ClickAdvancedSettings.
5.ClicktheAdaptertab.
6.Mak esurethatthecorrectdevicedrivernameisshownintheadapterinformationwindow.
Note:Thedevicedrivernamedependsonthevideochipthathasbeeninstalledonyourcomputer.
7.ClickthePropertiesbutton.Ifyouarepromptedforanadministr atorpasswordorconrmation,type
thepasswordorprovideconrmation.Checkthe“Devicestatus”boxandmakesurethedeviceis
workingproperly.Ifnot,clicktheTroubleshootbutton.ClosethePropertieswindow.
8.ClicktheMonitortab.Checkwhetherthecolorqualityiscorrectlyset,makesureotherinformation
isalsocorrect.
9.ClickthePropertiesbutton.Ifyouarepromptedforanadministr atorpasswordorconrmation,type
thepasswordorprovideconrmation.Checkthe“Devicestatus”boxandmakesurethedeviceis
workingproperly.Ifnot,clicktheTroubleshootbutton.
ForWindowsVista:
1.Right-clickonthedesktop,andclickPersonalize.
2.ClickDisplaySettingsandcheckwhetherthescreenresolutionandcolorqualityarecorrectlyset.
3.ClickAdvancedSettings.
Chapter10.Troubleshootingcomputerproblems219