•Ifthesleepstatusindicatorison(isgreen),pressFntoresumefromthesleepmode.
•Iftheproblempersists,followthesolutionforthefollowingproblem.
Note:IfyouareusingtheWindows7operatingsystem,itdoesnotsupportthepresentationscheme.
Problem:Thescreenisunreadableordistorted.
Solution:Makesurethat:
•Thedisplaydevicedriverisinstalledcorrectly.
•Thescreenresolutionandcolorqualityarecorrectlyset.
•Themonitortypeiscorrect.
Tocheckthesesettings,dothefollowing:
1.Right-clickonthedesktop,andclickPersonalize.
2.ClickDisplayattheleft.
3.SelectChangedisplaysettings.Checkwhetherthescreenresolutioniscorrectlyset.
4.ClickAdvancedSettings.
5.ClicktheAdaptertab.Ensurethatthecorrectdevicedrivernameisshownintheadapterinformation
window.
Note:Thedevicedrivernamedependsonthevideochipthathasbeeninstalledonyourcomputer.
6.ClickthePropertiesbutton.Ifyouarepromptedforanadministratorpasswordorconrmation,type
thepasswordorprovideconrmation.ChecktheDevicestatusboxandmakesurethatthedeviceis
workingcorrectly.Ifnot,clicktheTroubleshootbuttonandfollowtheinstructionsonthescreen.
7.ClicktheMonitortab.Ensurethatthecorrectdevicedrivernameisshownintheadapterinformation
window.
Note:Thedevicedrivernamedependsonthevideochipthathasbeeninstalledonyourcomputer.
8.ClickthePropertiesbutton.Ifyouarepromptedforanadministratorpasswordorconrmation,type
thepasswordorprovideconrmation.ChecktheDevicestatusboxandmakesurethatthedeviceis
workingcorrectly.Ifnot,clicktheTroubleshootbuttonandfollowtheinstructionsonthescreen.
9.ClicktheColorManagementtab.Checkwhetherthecolorqualityiscorrectlyset,andensurethatthe
otherinformationalsoiscorrect.Ifyouarepromptedforanadministratorpasswordorconrmation,
typethepasswordorprovideconrmation.ChecktheDevicestatusboxandensurethatthedeviceis
workingcorrectly.Ifnot,clicktheTroubleshootbuttonandfollowtheinstructionsonthescreen.
Problem:Incorrectcharactersaredisplayedonthescreen.
Solution:Didyouinstalltheoperatingsystemorprogramcorrectly?Iftheyareinstalledandcongured
correctly,havethecomputerserviced.
Problem:Thescreenstaysonevenafteryouturnoffyourcomputer.
Solution:Pressandholdthepowerswitchforfoursecondsormoretoturnoffyourcomputer;thenturn
itonagain.
Problem:Missing,discolored,orbrightdotsappearonthescreeneverytimeyouturnonyourcomputer.
Solution:ThisisanintrinsiccharacteristicoftheTFTtechnology.Yourcomputerdisplaycontainsmultiple
thin-lmtransistors(TFTs).Asmallnumberofmissing,discolored,orbrightdotsonthescreenmight
existallthetime.
Chapter10.Troubleshootingcomputerproblems145