Lenovo L430 Uživatelská příručka stáhnout pdf (Strana 153)

•Problem:Thescreenisunreadableordistorted.

Solution:Ensurethat:

–Thedisplaydevicedriverisinstalledcorrectly.

–Thescreenresolutionandcolorqualityarecorrectlyset.

–Themonitortypeiscorrect.

Tocheckthesesettings,dothefollowing:

1.Right-clickonthedesktop,andclickPersonalize.

2.ClickDisplayattheleft.

3.SelectChangedisplaysettings.Checkwhetherthescreenresolutioniscorrectlyset.

4.ClickAdvancedSettings.

5.ClicktheAdaptertab.

6.Ensurethatthecorrectdevicedrivernameisshownintheadapterinformationwindow.

Note:Thedevicedrivernamedependsonthevideochipthathasbeeninstalledonyourcomputer.

7.ClickthePropertiesbutton.Ifyouarepromptedforanadministratorpasswordorconrmation,type

thepasswordorprovideconrmation.Checkthe“Devicestatus”boxandensurethedeviceis

workingproperly.Ifnot,clicktheTroubleshootbutton.ClosethePropertieswindow.

8.ClicktheMonitortab.Checkwhetherthecolorqualityiscorrectlyset,ensurethatotherinformation

isalsocorrect.

9.ClickthePropertiesbutton.Ifyouarepromptedforanadministratorpasswordorconrmation,type

thepasswordorprovideconrmation.Checkthe“Devicestatus”boxandensurethatthedeviceis

workingproperly.Ifnot,clicktheTroubleshootbuttonandfollowtheinstructionsonthescreen.

•Problem:Incorrectcharactersappearonthescreen.

Solution:Didyouinstalltheoperatingsystemorapplicationprogramcorrectly?Iftheyareinstalledand

conguredcorrectly,havethecomputerserviced.

•Problem:Thescreenstaysonevenafteryouturnoffyourcomputer.

Solution:Pressandholdthepowerbuttonfor4secondsorovertoturnoffyourcomputer,thenturn

itonagain.

•Problem:Missing,discolored,orbrightdotsappearonthescreeneverytimeyouturnonyourcomputer.

Solution:ThisisanintrinsiccharacteristicoftheTFTtechnology.Yourcomputer'sdisplaycontains

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.

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Lenovo L430 Uživatelská příručka Strana 153