Users Manual

Solution:Pressandholdthepowerbuttonforfoursecondsormoretoturnoffyourcomputer;then
turnitonagain.
•Problem:Missing,discolored,orbrightdotsappearonthescreeneverytimeyouturnonyourcomputer.
Solution:ThisisanintrinsiccharacteristicoftheTFTtechnology.Yourcomputerdisplaycontains
multiplethin-lmtransistors(TFTs).Asmallnumberofmissing,discolored,orbrightdotsonthescreen
mightexistallthetime.
Externalmonitorproblems
•Problem:Theexternalmonitorisblank.
Solution:Tobringuptheimage,pressFn+F7andselectthedesiredmonitor.Iftheproblempersists,
dothefollowing:
1.Connecttheexternalmonitortoanothercomputertoensurethatitworks.
2.Reconnecttheexternalmonitortoyourcomputer.
3.Refertothemanualshippedwiththeexternalmonitortochecktheresolutionsandrefreshratesthat
aresupported.
–Iftheexternalmonitorsupportsthesameresolutionasthecomputerdisplayorahigherresolution,
viewoutputontheexternalmonitororonboththeexternalmonitorandthecomputerdisplay.
–Iftheexternalmonitorsupportsalowerresolutionthanthecomputerdisplay,viewoutputonthe
externalmonitoronly.(Ifyouviewoutputonboththecomputerdisplayandtheexternalmonitor,
theexternalmonitorscreenwillbeblankordistorted.)
•Problem:Youcannotsetahigherresolutionthanthepresentoneonyourexternalmonitor.
Solution:Ensurethatthemonitortypeandotherinformationiscorrect.Ifnecessary,updatethemonitor
driver.See“Settingtheexternalmonitortype”onpage35.
•Problem:Thescreenisunreadableordistorted.
Solution:Ensurethat:
–Themonitorinformationiscorrectandtheappropriatemonitortypeisselected.Refertothesolution
totheaboveproblem.
–Ensurethatanappropriaterefreshrateisselectedbydoingthefollowing:
1.Connecttheexternalmonitortothemonitorconnector,andthenconnectthemonitortoan
electricaloutlet.
2.Turnontheexternalmonitorandthecomputer.
3.Right-clickonthedesktop,andclickScreenresolution.
Note:Ifyourcomputercannotdetecttheexternalmonitor,clicktheDetectbutton.
4.Clicktheiconforthedesiredmonitor(theMonitor-2iconisfortheexternalmonitor).
5.ClickAdvancedSettings.
6.ClicktheMonitortab.
7.Selectthecorrectscreenrefreshrate.
•Problem:Wrongcharactersaredisplayedonthescreen.
Solution:Didyoufollowthecorrectprocedurewheninstallingtheoperatingsystemorapplication
program?Ifyoudid,havetheexternalmonitorserviced.
•Problem:TheExtenddesktopfunctiondoesnotwork.
Solution:EnabletheExtenddesktopfunctionbydoingthefollowing:
Chapter8.Troubleshootingcomputerproblems93