4.Clicktheiconforthedesiredmonitor(theMonitor-2iconisfortheexternalmonitor).
5.Dothefollowing:
–ForWindows7:ClickAdvancedsettings.
–ForWindows10:ClickDisplayadapterproperties.
6.ClicktheMonitortab.
7.Selectthecorrectscreenrefreshrate.
•Problem:Wrongcharactersaredisplayedonthescreen.
Solution:Didyoufollowthecorrectprocedurewheninstallingtheoperatingsystemorprogram?Ifyou
did,havetheexternalmonitorserviced.
•Problem:TheExtenddesktopfunctiondoesnotwork.
Solution:EnabletheExtenddesktopfunction.See“Usinganexternaldisplay”onpage30.
•Problem:IfyouusetheExtenddesktopfunction,youcannotsetahigherresolutionorhigherrefresh
rateonthesecondarydisplay.
Solution:Changetheresolutionandthecolordepthtolowersettingsfortheprimarydisplay.
•Problem:Displayswitchingdoesnotwork.
Solution:IfyouusetheExtenddesktopfunction,disableit,andchangethedisplayoutputlocation.If
aDVDmovieoravideoclipisplaying,stoptheplayback,closetheprogram,andthenchangethe
displayoutputlocation.
•Problem:Thescreenpositionontheexternalmonitorisincorrectwhenthatmonitorissetforahigh
resolution.
Solution:Sometimes,whenyouuseahighresolutionsuchas1600x1200,theimageisshiftedtoleftor
rightonthescreen.Tocorrectthis,firstmakesurethatyourexternalmonitorsupportsthedisplaymode
(theresolutionandtherefreshrate)thatyouhaveset.Ifitdoesnot,setadisplaymodethatthemonitor
supports.Ifitdoessupportthedisplaymodeyouhaveset,gotothesetupmenuforthemonitoritself
andadjustthesettingsthere.Usuallytheexternalmonitorhasbuttonsforaccesstothesetupmenu.For
moreinformation,seethedocumentationthatcomeswiththemonitor.
Audioproblems
•Problem:WaveorMIDIsounddoesnotplaycorrectly.
Solution:Makesurethatthebuilt-inaudiodeviceisconfiguredcorrectly.
1.OpenControlPanel.
2.ClickHardwareandSound.
3.ClickDeviceManager.Ifyouarepromptedforanadministratorpasswordorconfirmation,typethe
passwordorprovideconfirmation.
4.Double-clickSound,videoandgamecontrollers.
5.MakesurethattheRealtekHDAudiodriverisenabledandconfiguredcorrectly.
•Problem:Sounddoesnotcomefromaheadphoneoraspeaker,oryourcomputercannotrecordsounds.
Solution:Toswitchfromonedevicetoanother(forexample,fromaspeakertoaheadphone,orfrom
anexternalmicrophonetoabuilt-inmicrophone),dothefollowing:
1.OpenControlPanelandclickHardwareandSound.
2.ClicktheRealtekHDManagericon.
3.MakesurethatyouareinMULTI-STREAMmodeintheDeviceadvancedsettingswindow.
4.IntheVolumeMixerwindow,selectthedeviceyouwant-forexample,speakers.
5.Playanysoundviaamusicprogram(forexample,WindowsMediaPlayer).Makesurethatsound
comesfromspeakersnow.
Chapter8.Troubleshootingcomputerproblems87