Solution:Ensurethat:
–Themonitorinformationiscorrect.(Refertothe“Solution”forsettingahigherresolutiononthe
externalmonitor.)
–Theappropriatemonitortypeisselected.(Refertothe“Solution”forsettingahigherresolutionon
theexternalmonitor.)
Ensurethatanappropriaterefreshrateisselectedbydoingthefollowing:
1.Connecttheexternalmonitortothemonitorconnector,andthenconnectthemonitortoanelectrical
outlet.
2.Turnontheexternalmonitorandthecomputer.
3.Right-clickonthedesktop,andclickScreenresolution.
Note:Ifyourcomputercannotdetecttheexternalmonitor,clicktheDetectbutton.
4.Clicktheiconforthedesiredmonitor(theMonitor-2iconisfortheexternalmonitor).
5.ClickAdvancedSettings.
6.ClicktheMonitortab.
7.Selectthecorrectscreenrefreshrate.
•Problem:Wrongcharactersappearonthescreen.
Solution:Didyoufollowthecorrectprocedureininstallingtheoperatingsystemorapplicationprogram?
Ifyoudid,havetheexternalmonitorserviced.
•Problem:TheExtenddesktopfunctiondoesnotwork.
Solution:EnabletheExtenddesktopfunctionbydoingthefollowing:
1.Connecttheexternalmonitortothemonitorconnector,andthenconnectthemonitortoanelectrical
outlet.
2.Turnontheexternalmonitorandthecomputer.
3.Right-clickonthedesktop,andclickScreenresolution.
4.ClicktheMonitor-2icon.
5.SelectExtendthesedisplaysforMultipledisplays.
6.ClicktheMonitor-1icon(fortheprimarydisplay,thecomputerdisplay).
7.SelecttheResolutionoftheprimarydisplay.
8.ClicktheMonitor-2icon(fortheexternalmonitor).
9.SelecttheResolutionofthesecondarydisplay.
10.Settherelativepositionoftheeachmonitorbydraggingitsicon.Youcansetthemonitorsinany
relativeposition,buttheiconsmusttoucheachother.
11.ClickOKtoapplythechanges.
Note:Tochangethecolorsettings,right-clickonthedesktop,andclickScreenresolution.Click
AdvancedSettings,selecttheMonitortab,thensetColors.
•Problem:Displayswitchingdoesnotwork.
Solution:IfyouusetheExtenddesktopfunction,disableit,andchangethedisplayoutputlocation.If
aDVDmovieoravideoclipisplaying,stoptheplayback,closetheapplication,andthenchangethe
displayoutputlocation.
•Problem:IfyouusetheExtenddesktopfunction,youcannotsetahigherresolutionorhigherrefresh
rateonthesecondarydisplay.
Chapter10.Troubleshootingcomputerproblems137