23

ENG

ENGLISH

TROUBLESHOOTING

Display image is incorrect

The screen color is mono or 

abnormal.

y

Check if the signal cable is properly connected and use a screwdriver 
to fasten if necessary.

y

Make sure the video card is properly inserted in the slot.

y

Set the color setting higher than 24 bits (true color) at 

Control Panel

►

settings

.

The screen blinks.

y

Check if the screen is set to interlace mode and if yes, change it to the 
recommend resolution.

Do you see an "Unrecognized monitor, Plug&Play (VesA DDC) monitor found" message?

Have you installed the display 

driver?

y

Be sure to install the display driver from the display driver CD (or 
diskette) that comes with your display. Or, you can also download the 
driver from our web site: http://www.lg.com.

y

Make sure to check if the video card supports Plug&Play function.

y

Check 

Control Panel ► Display ► Settings

 and see if the frequency or the resolution were 

changed.  If yes, readjust the video card to the recommend resolution.

y

If the recommended resolution (optimal resolution) is not selected, letters may be blurred and the 
screen may be dimmed, truncated or biased. Make sure to select the recommend resolution.

y

The setting method can differ by computer and O/S (Operation System), and resolution mentioned 
above may not be supported by the video card performance. In this case, please ask to the computer 
or the video card manufacturer.

CAUtIon