Problemswiththedisplayandmultimediadevices
Thistopicincludesthemostcommonproblemswithdisplaysandmultimediadevices,includingthe
computerdisplay,theexternalmonitor,andaudiodevices.
Computerscreenproblems
•Problem:Thescreenisblank.
Solution:Dothefollowing:
–PressF7tobringuptheimage.
–Ifyouareusingtheacpoweradapter,orusingthebatteryandthebatterygaugeshowsthatthebattery
isnotdepleted,pressF6tomakethescreenbrighter.
–Ifyourcomputerisinsleepmode,pressanykeytoresumefromthesleepmode.
–Iftheproblempersists,followthesolutionforthefollowingproblem.
•Problem:Thescreenisunreadableordistorted.
Solution:Ensurethat:
–Thedisplaydevicedriverisinstalledcorrectly.
–Thescreenresolutionandcolorqualityarecorrectlyset.
–Themonitortypeiscorrect.
Tocheckthesesettings,dothefollowing:
1.Right-clickanywhereonthedesktop,andclickScreenresolution.
2.ClickAdvancedSettings.
3.ClicktheAdaptertabtoensurethatthecorrectdevicedrivernameisshownintheAdapter
Informationwindow.ThenclickthePropertiesbutton.Ifyouarepromptedforanadministrator
passwordorconfirmation,typethepasswordorprovideconfirmation.ChecktheDevicestatusbox
andmakesurethatthedeviceisworkingcorrectly.Ifthedeviceisnotworkingcorrectly,clickthe
Troubleshootbuttonandfollowtheinstructionsonthescreen.
4.ClicktheMonitortabtoensurethatthecorrectmonitortypeisshownintheMonitorTypewindow.
ThenclickthePropertiesbutton.Ifyouarepromptedforanadministratorpasswordorconfirmation,
typethepasswordorprovideconfirmation.ChecktheDevicestatusboxandmakesurethatthe
deviceisworkingcorrectly.Ifthedeviceisnotworkingcorrectly,clicktheTroubleshootbuttonand
followtheinstructionsonthescreen.
Note:Thedevicedrivernamedependsonthevideochipthathasbeeninstalledonyourcomputer.
5.ClicktheColorManagementtab,andthenclicktheColorManagement➙Advancedtocheck
whetherthecolorqualityiscorrectlyset,andensurethattheotherinformationalsoiscorrect.If
youarepromptedforanadministratorpasswordorconfirmation,typethepasswordorprovide
confirmation.
•Problem:Incorrectcharactersaredisplayedonthescreen.
Solution:Didyouinstalltheoperatingsystemorapplicationprogramcorrectly?Iftheyareinstalledand
configuredcorrectly,havethecomputerserviced.
•Problem:Thescreenstaysonevenafteryouturnoffyourcomputer.
Solution:Pressandholdthepowerbuttonforfoursecondsormoretoturnoffyourcomputer;then
turnitonagain.
•Problem:Missing,discolored,orbrightdotsappearonthescreeneverytimeyouturnonyourcomputer.
108UserGuide