User's Manual

Table Of Contents
Iftheexternalmonitorsupportsalowerresolutionthanthecomputerdisplay,viewoutputonthe
externalmonitoronly.(Ifyouviewoutputonboththecomputerdisplayandtheexternalmonitor,
theexternalmonitorscreenwillbeblankordistorted.)
Problem:Youcannotsetahigherresolutionthanthepresentoneonyourexternalmonitor.
Solution:Makesurethatthemonitortypeandotherinformationiscorrect.Ifnecessary,updatethe
monitordriver.
Problem:Thescreenisunreadableordistorted.
Solution:Makesurethat:
Themonitorinformationiscorrectandtheappropriatemonitortypeisselected.Refertothesolution
totheaboveproblem.
Makesurethatanappropriaterefreshrateisselectedbydoingthefollowing:
1.Connecttheexternalmonitortothemonitorconnector,andthenconnectthemonitortoan
electricaloutlet.
2.Turnontheexternalmonitorandthecomputer.
3.Right-clickonthedesktop,anddothefollowing:
ForWindows7:ClickScreenresolution.
ForWindows10:ClickDisplaysettings,showthedisplayedwindowinfullscreen,andthen
clickAdvanceddisplaysettings.
Note:Ifyourcomputercannotdetecttheexternalmonitor,clicktheDetectbutton.
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”onpage43.
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
Chapter8.Troubleshootingcomputerproblems103