LG 22MN42B Owner's Manual page 48

48
TROUBLESHOOTING
After-image appears on the product.
Problem
After-image appears when
the product is turned off.
Screen Colour is abnormal.
Problem
Screen has poor Colour resoluion
(16_Colours).
Screen Colour is unstable or mono
Colour.
Do back spots appear on the
screen?
The screen image looks abnormal.
Problem
Is the screen position wrong?
Do thin lines appear on the
background screen?
Horizontal noise appears or the
characters look blurred.
y If you use a fixed image for a long time, the pixels may be damaged
quickly. Use the screen saver function.
y Set screen Colour resolution to more than 24 bits (true Colour) Select
control Pane → Display → Settings → Colour Table menu in Windows.
y Check the connection status of the signal cable.
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.
y Adjust the Position menu in OSD. From the TV Menu, Choose
PICTURE → Choose Screen → 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.
y Adjust the Size menu in OSD. From the TV Menu, Choose PICTURE
→ Choose Screen → Adjusts Size.
y Adjust the Phase menu in OSD. From the TV Menu, Choose
PICTURE → Choose Screen → Adjusts Phase.
Resolution
Resolution
Resolution