LG 42LS33A - Troubleshooting Monitor Issues; Troubleshooting No Image Display; Troubleshooting Screen Image Anomalies

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ENG
ENGLISH
TROUBLESHOOTING
TROUBLESHOOTING
No image is displayed
Problem Resolution
Istheproductpowercord
connected?


Seeifthepowercordisproperlyconnectedtotheoutlet.
DoestheOutofrangemessage
appear?


ThesignalfromthePC(videocard)isoutoftheverticalorhorizontal
frequencyrangeoftheproduct.Adjustthefrequencyrangeby
referringtotheSpecificationsinthismanual.
DoestheChecksignalcable
messageappear?


ThesignalcablebetweenPCandproductisnotconnected.Check
thesignalcable.


Pressthe'INPUT'menuintheremoteControltochecktheinput
signal.
'Unknown Product' message appears when the product is connected.
Problem Resolution
Didyouinstallthedriver? 

Seeiftheplug&playfunctionissupportedbyreferringtothevideo
cardusermanual.
The screen image looks abnormal.
Problem Resolution
Isthescreenpositionwrong? 

D-Subanalogsignal-Pressthe"AUTO"buttonintheremotecontrol
toautomaticallyselecttheoptimalscreenstatusthatfitsintothe
currentmode.Ifadjustmentisnotsatisfactory,select[PICTURE]-
[Screen]-[Position]inOSDmenu.


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?


D-Subanalogsignal-Pressthe"AUTO"buttonintheremotecontrol
toautomaticallyselectanoptimalscreenstatusthatfitsintothe
currentmode.Ifadjustmentisnotsatisfactory,select[PICTURE]-
[Screen]-[Size]inOSDmenu.
Horizontalnoiseappearsorthe
characterslookblurred.


D-Subanalogsignal-Pressthe"AUTO"buttonintheremotecontrol
toautomaticallyselectanoptimalscreenstatusthatfitsintothe
currentmode.Ifadjustmentisnotsatisfactory,select[PICTURE]-
[Screen]-[Phase]inOSDmenu.
Thescreenisdisplayed
abnormally.


Theproperinputsignalisnotconnectedtothesignalport.Connect
thesignalcablethatmatcheswiththesourceinputsignal.