ENGLISH
37
TROUBLESHOOTING
‘Unknown Product’ message appears when the product is connected.
Problem
Resolution
Did you install the driver?
y
Install the product driver, which is provided with the product, or
download it from the web site. (http://www.lg.com)
y
See if the plug & play function is supported by referring to the video
card user’s guide.
After-image appears on the screen.
Problem
Resolution
After-image appears when the
product is turned off.
y
If you use a fixed image for a long time, the pixels may be damaged
quickly. Use the screen saver function.
Screen Color is abnormal.
Problem
Resolution
Screen has poor Color resoluion (16_
Colors).
y
Set screen Color resolution to more than 24 bits (true Color) Select
control panel Display Settings Color Table menu in Windows.
Screen Color is unstable or mono
Color.
y
Check the connection status of the signal cable.
Do back spots appear on the
screen?
y
Several pixels (red, green, white or black Color) 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?
y
Adjust the
Position menu in OSD. From the TV Main menu, Choose
PICTURE Choose Screen(RGB-PC) Adjusts Position.
y
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?
y
Adjust the
Size menu in OSD. From the TV Main menu, Choose
PICTURE Choose Screen(RGB-PC) Adjusts Size.
Horizontal noise appears or the
characters look blurred.
y
Adjust the
Phase menu in OSD. From the TV Main menu, Choose
PICTURE Choose Screen(RGB-PC) Adjusts Phase.
