6.Makesurethatthecorrectdevicedrivernameisshownintheadapterinformationwindow.
Note:Thedevicedrivernamedependsonthevideochipthathasbeeninstalledonyourcomputer.
7.ClickthePropertiesbutton.Checkthe“Devicestatus”boxandmakesurethedeviceisworking
properly.Ifnot,clicktheTroubleshootbutton.
8.ClicktheMonitortab.
9.Makesuretheinformationiscorrect.
10.ClickthePropertiesbutton.Checkthe“Devicestatus”boxandmakesurethedeviceisworking
properly.Ifnot,clicktheTroubleshootbutton.
•Pr oblem:Incorrectcharactersappearonthescreen.
Solution:Didyouinstalltheoperatingsystemorapplicationprogramcorrectly?Iftheyareinstalledand
conguredcorrectly,havethecomputerserviced.
•Pr oblem:Thescreenstaysonevenafteryouturnoffyourcomputer.
Solution:Pressandholdthepowerswitchfor4secondsorovertoturnoffyourcomputer;thenturn
itonagain.
•Pr oblem:Missing,discolored,orbrightdotsappearonthescreeneverytimeyouturnonyourcomputer.
Solution:ThisisanintrinsiccharacteristicoftheTFTtechnology.Yourcomputer'sdisplaycontains
multiplethin-lmtransistors(TFT s).Asmallnumberofmissing,discolored,orbrightdotsonthescreen
mightexistallthetime.
Externalmonitorproblems
•Pr oblem:Thee xternalmonitorisblank.
Solution:Tobringuptheimage,pressFn+F7andselectthedesiredmonitor.Iftheproblempersists,
dothefollowing:
1.Connecttheexternalmonitortoanothercomputertomakesureitworks.
2.Reconnecttheexternalmonitortoyourcomputer .
3.Refertothemanualshippedwiththeexternalmonitortochecktheresolutionsandrefreshratesthat
aresupported.
–Iftheexternalmonitorsupportsthesameresolutionasthecomputerdisplayorahigherresolution,
viewoutputontheexternalmonitororonboththeext ernalmonitorandthecomputerdisplay.
–Iftheexternalmonitorsupportsalowerresolutionthanthecomputerdisplay,viewoutputonthe
externalmonitoronly.(Ifyouviewoutputontheboththecomputerdisplayandtheexternal
monitor,theexternalmonitorscreenwillbeblankordistorted.)
•Pr oblem:Youcannotsetahigherresolutionthanthepresentoneonyourexternalmonitor.
Solution:
–Makesurethatmonitorinformationiscorrect.Dothefollowing:
ForWindows7:
1.Right-clickonthedesktop,andclickScreenresolution.
Note:Ifyourcomputercannotdetecttheexternalmonitor,clicktheDetectbutton.
2.Clicktheiconforthedesiredmonitor(theMonitor -2iconisfortheexternalmonitor).
3.ClickAdvancedSettings.
4.ClicktheAdaptertab.
Chapter10.Troubleshootingcomputerproblems217