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ENGLISH
72
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 product.
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 Colour is abnormal.
Problem
Resolution
Screen has poor Colour resoluion
(16_Colours).
y
Set screen Colour resolution to more than 24 bits (true Colour) Select
control Pane
s
Display
s
Settings
s
Colour Table menu in Windows.
Screen Colour is unstable or mono
Colour.
y
Check the connection status of the signal cable.
Do back spots appear on the
screen?
y
Several pixels (red, green, white or black Colour) 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
s
Choose
Screen
s
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
s
Display
s
Setting menu.
Do thin lines appear on the
background screen?
y
Adjust the
Size
menu in OSD. From the TV Main Menu, Choose
PICTURE
s
Choose
Screen
s
Adjusts
Size
.
Horizontal noise appears or the
characters look blurred.
y
Adjust the
Phase
menu in OSD. From the TV Main Menu, Choose
PICTURE
s
Choose
Screen
s
Adjusts
Phase
.