Lenovo ThinkPad L430 - External Monitor Problems

•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.
Chapter10.Troubleshootingcomputerproblems135