LG Electronics DM2350D, M2450D, M2250D, M2550D, M1950D owner manual After-image appears on the product

TROUBLESHOOTING 83

‘Unknown Product’ message appears when the product is connected.

Problem	Resolution
Did you install the driver?	yy Install the product driver, which is provided with the product, or
	download it from the web site. (http://www.lg.com)
	yy 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		yy If you use a fixed image for a long time, the pixels may be damaged
the product is turned off.			quickly. Use the screen saver function.
	Screen Colour is abnormal.
	Problem		Resolution
Screen has poor Colour resoluion		yy Set screen Colour resolution to more than 24 bits (true Colour) Select
(16_Colours).			control Pane → Display → Settings → Colour Table menu in Windows.
Screen Colour is unstable or mono		yy Check the connection status of the signal cable.
Colour.
Do back spots appear on the		yy Several pixels (red, green, white or black Colour) may appear on the
screen?			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?		yy Adjust the Position menu in OSD.
		yy 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		yy Adjust the Clock menu in OSD.
background screen?
Horizontal noise appears or the		yy Adjust the Phase menu in OSD.
characters look blurred.

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