Manual

Solution:Dothefollowing:
Pressthedisplay-modeswitchingkeytobringuptheimage.
Ifyouareusingtheacpoweradapter,orusingthebatteryandthebatterygaugeshowsthatthebattery
isnotdepleted,pressthebrightness-upkeytomakethescreenbrighter.
Ifyourcomputerisinsleepmode,pressFntoresumefromthesleepmode.
Iftheproblempersists,followthesolutionforthefollowingproblem.
Problem:Thescreenisunreadableordistorted.
Solution:Makesurethat:
Thedisplaydevicedriverisinstalledcorrectly.
Thescreenresolutionandcolorqualityarecorrectlyset.
Themonitortypeiscorrect.
Tocheckthesesettings,dothefollowing:
1.Right-clickonthedesktop,anddothefollowing:
ForWindows7:ClickScreenresolution.
ForWindows10:ClickDisplaysettingsAdvanceddisplaysettings.
Note:Ifyourcomputercannotdetecttheexternalmonitor,clickDetect.
2.SelecttheexternalmonitorandsetResolution.
3.Dothefollowing:
ForWindows7:ClickAdvancedSettings.
ForWindows10:ClickDisplayadapterproperties.
4.ClicktheMonitortab.Checkthemonitorinformationtomakesurethatthemonitortypeiscorrect.If
itis,clickOKtoclosethewindow;otherwiseproceedwiththefollowingsteps.
5.Ifmorethantwomonitortypesaredisplayed,selectGenericPnPMonitororGenericNon-PnP
Monitor.
6.ClickProperties.Ifyouarepromptedforanadministratorpasswordorconfirmation,typethe
passwordorprovideconfirmation.
7.ClicktheDrivertab.
8.ClickUpdateDriver.
9.ClickBrowsemycomputerfordriversoftware,andthenclickLetmepickfromalistofdevice
driversonmycomputer.
10.CleartheShowcompatiblehardwarecheckbox.
11.Selectthecorrectmanufacturerandmodelfortheexternalmonitor.Ifyoucannotfindyourmonitor
onthelist,stoptheinstallationofthisdriverandusethedrivershippedwithyourmonitor.
12.Afterupdatingthedriver,clickClose.
Problem:Incorrectcharactersaredisplayedonthescreen.
Solution:Didyouinstalltheoperatingsystemorprogramcorrectly?Iftheyareinstalledandconfigured
correctly,havethecomputerserviced.
Problem:Thescreenstaysonevenafteryouturnoffyourcomputer.
Solution:Pressandholdthepowerbuttonforfoursecondsormoretoturnoffyourcomputer;then
turnitonagain.
Chapter8.Troubleshootingcomputerproblems99