Lenovo ThinkPad Edge E425 - Page 143

Note:Tochangethecolorsettings,selecttheMonitortab,thensetColors.
16.ClickOK.
•Problem:Thescreenisunreadableordistorted.
Solution:Makesurethatthemonitorinformationiscorrect.(Refertothe“Solution”to“Problem:You
cannotsetahigherresolutionthanthepresentoneonyourexternalmonitor.”onpage124.)
Makesurethattheappropriatemonitortypeisselected.(Refertothe“Solution”to“Problem:Youcannot
setahigherresolutionthanthepresentoneonyourexternalmonitor.”onpage124)
Makesurethatanappropriaterefreshrateisselectedbydoingthefollowing:
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.Settherelativepositionofeachmonitorbydraggingitsicon.Youcansetthemonitorsinanyrelative
position,buttheiconsmusttoucheachother.
11.ClickOKtoapplythechanges.
Note:Tochangethecolorsettings,right-clickonthedesktop,andclickScreenresolution.Click
AdvancedSettings,selecttheMonitortab,thensetColors.
•Problem:Displayswitchingdoesnotwork.
Chapter9.Troubleshootingcomputerproblems125