Lenovo E431 Betriebsanweisung PDF herunterladen (Seite 150)

8.ClickthePropertiesbutton.Ifyouarepromptedforanadministratorpasswordorconrmation,type

thepasswordorprovideconrmation.ChecktheDevicestatusboxandmakesurethatthedevice

isworkingcorrectly.Ifnot,clicktheTroubleshootbuttonandfollowtheinstructionsonthescreen.

9.ClicktheColorManagementtab.Checkwhetherthecolorqualityiscorrectlyset,andensure

thattheotherinformationalsoiscorrect.Ifyouarepromptedforanadministratorpasswordor

conrmation,typethepasswordorprovideconrmation.ChecktheDevicestatusboxandensure

thatthedeviceisworkingcorrectly.Ifnot,clicktheTroubleshootbuttonandfollowtheinstructions

onthescreen.

•Problem:Incorrectcharactersaredisplayedonthescreen.

Solution:Didyouinstalltheoperatingsystemorprogramcorrectly?Iftheyareinstalledandcongured

correctly,havethecomputerserviced.

•Problem:Thescreenstaysonevenafteryouturnoffyourcomputer.

Solution:Pressandholdthepowerbuttonforfoursecondsormoretoturnoffyourcomputer;then

turnitonagain.

•Problem:Missing,discolored,orbrightdotsappearonthescreeneverytimeyouturnonyourcomputer.

Solution:ThisisanintrinsiccharacteristicoftheTFTtechnology.Yourcomputerdisplaycontains

multiplethin-lmtransistors(TFTs).Asmallnumberofmissing,discolored,orbrightdotsonthescreen

mightexistallthetime.

Externalmonitorproblems

•Problem:Theexternalmonitorisblank.

Solution:Tobringuptheimage,pressF7andselectthedesiredmonitor.Iftheproblempersists,do

thefollowing:

1.Connecttheexternalmonitortoanothercomputertomakesurethatitworks.

2.Reconnecttheexternalmonitortoyourcomputer.

3.Refertothemanualshippedwiththeexternalmonitortochecktheresolutionsandrefreshratesthat

aresupported.

–Iftheexternalmonitorsupportsthesameresolutionasthecomputerdisplayorahigherresolution,

viewoutputontheexternalmonitororonboththeexternalmonitorandthecomputerdisplay.

–Iftheexternalmonitorsupportsalowerresolutionthanthecomputerdisplay,viewoutputonthe

externalmonitoronly.(Ifyouviewoutputonboththecomputerdisplayandtheexternalmonitor,

theexternalmonitorscreenwillbeblankordistorted.)

•Problem:Youcannotsetahigherresolutionthanthepresentoneonyourexternalmonitor.

Solution:

–Makesurethatthemonitorinformationiscorrect.Dothefollowing:

1.Right-clickonthedesktop,andclickScreenresolution.

Note:Ifyourcomputercannotdetecttheexternalmonitor,clicktheDetectbutton.

2.Clicktheiconforthedesiredmonitor(theMonitor-2iconisfortheexternalmonitor).

3.ClickAdvancedSettings.

4.ClicktheAdaptertab.

5.Makesurethatthecorrectdevicedrivernameisshownintheadapterinformationwindow.

Note:Thedevicedrivernamedependsonthevideochipthathasbeeninstalledonyourcomputer.

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Lenovo E431 Betriebsanweisung Seite 150