LG M2550D - Page 83

ENGLISH
83
TROUBLESHOOTING
‘Unknown Product’ message appears when the product is connected.
Problem Resolution
Didyouinstallthedriver?


Installtheproductdriver,whichisprovidedwiththeproduct,or
downloaditfromthewebsite.(http://www.lg.com)


Seeiftheplug&playfunctionissupportedbyreferringtothevideo
carduser’sguide.
After-image appears on the product.
Problem Resolution
After-imageappearswhen
theproductisturnedoff.


Ifyouuseafixedimageforalongtime,thepixelsmaybedamaged
quickly.Usethescreensaverfunction.
Screen Colour is abnormal.
Problem Resolution
ScreenhaspoorColourresoluion
(16_Colours).


SetscreenColourresolutiontomorethan24bits(trueColour)Select
controlPane→Display→Settings→ColourTablemenuinWindows.
ScreenColourisunstableormono
Colour.


Checktheconnectionstatusofthesignalcable.
Dobackspotsappearonthe
screen?


Severalpixels(red,green,whiteorblackColour)mayappearonthe
screen,whichcanbeattributabletotheuniquecharacteristicsofthe
LCDpanel.ItisnotamalfunctionoftheLCD.
The screen image looks abnormal.
Problem Resolution
Isthescreenpositionwrong?


AdjustthePositionmenuinOSD.FromtheTVMenu,Choose
PICTURE→ChooseScreen→AdjustsPosition.


ASeeifthevideocardresolutionandfrequencyaresupportedby
theproduct.Ifthefrequencyisoutofrange,settotherecommended
resolutionintheControlPanel→Display→Settingmenu.
Dothinlinesappearonthe
backgroundscreen?


AdjusttheSizemenuinOSD.FromtheTVMenu,ChoosePICTURE
→ChooseScreen→AdjustsSize.
Horizontalnoiseappearsorthe
characterslookblurred.


AdjustthePhasemenuinOSD.FromtheTVMenu,Choose
PICTURE→ChooseScreen→AdjustsPhase.