Lenovo B430 - External Monitor Problems

•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,pressF6andselectthedesiredmonitor.Iftheproblempersists,do
thefollowing:
1.Connecttheexternalmonitortoanothercomputertomakesurethatitworks.
2.Reconnecttheexternalmonitortoyourcomputer.
3.Refertothemanualshippedwiththeexternalmonitortochecktheresolutionsandrefreshratesthat
aresupported.
–Iftheexternalmonitorsupportsthesameresolutionasthecomputerdisplayorahigherresolution,
viewoutputontheexternalmonitororonboththeexternalmonitorandthecomputerdisplay.
–Iftheexternalmonitorsupportsalowerresolutionthanthecomputerdisplay,viewoutputonthe
externalmonitoronly.(Ifyouviewoutputonboththecomputerdisplayandtheexternalmonitor,
theexternalmonitorscreenwillbeblankordistorted.)
•Problem:Y oucannotsetahigherresolutionthanthepresentoneonyourexternalmonitor.
Solution:
–Makesurethatthemonitorinformationiscorrect.Dothefollowing:
1.Right-clickonthedesktop,andclickScreenresolution.
Nota:Ifyourcomputercannotdetecttheexternalmonitor,clicktheDetectbutton.
2.Clicktheiconforthedesiredmonitor(theMonitor-2iconisfortheexternalmonitor).
3.ClickAdvancedSettings.
4.ClicktheAdaptertab.
5.Makesurethatthecorrectdevicedrivernameisshownintheadapterinformationwindow.
Nota:Thedevicedrivernamedependsonthevideochipthathasbeeninstalledonyourcomputer.
6.ClickOK.
Iftheinformationisincorrect,reinstallthedevicedriver.
–Checkthemonitortypeand,ifnecessary,updatethedriverbydoingthefollowing:
1.Connecttheexternalmonitortothemonitorconnector,andthenconnectthemonitortoan
electricaloutlet.
2.T urnontheexternalmonitorandthecomputer.
3.Right-clickonthedesktop,andclickScreenresolution.
Nota:Ifyourcomputercannotdetecttheexternalmonitor,clicktheDetectbutton.
4.Clicktheiconforthedesiredmonitor(theMonitor-2iconisfortheexternalmonitor).
5.ClickAdvancedSettings.
Capítulo8.Troubleshootingcomputerproblems105