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TROUBLESHOOTING

CAUTION

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.

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.

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.

Display image is incorrect

The screen color is mono or

abnormal.

The screen blinks.

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

Have you installed the display

driver?

20MP38HB

20MP48HB

22MP48HQ 23MP48HQ 24MP48HQ 27MP48HQ

The screen is flickering.

Did you select the recommended

resolution?

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.

y Check if the screen is set to interlace mode and if yes, change it to the

recommend resolution.

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 Screen May be flickering due to unsupported resolution is selected.

Change the resolution to Recommended mode.

20MP48HA