LG 42VS20 User Manual page 54

The audio function does not work.
Problem
No sound?
Sound is too dull.
Sound is too low.
Screen color is abnormal.
Problem
Screen has poor color resolution
(16 colors).
Screen color is unstable or
mono-colored.
Do black spots appear on the
screen?
The operation does not work normally.
Problem
The power suddenly turned off.
y See if the audio cable is connected properly.
y Adjust the volume.
y See if the sound is set properly.
y Select the appropriate equalize sound.
y Adjust the volume.
y Set the number of colors to more than 24 bits (true color) Select
Control Panel - Display - Settings - Color Table menu in Windows.
y Check the connection status of the signal cable. Or, re-insert the PC
video card.
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.
y Is the sleep timer set?
y Check the power control settings. Power interrupted.
y "CAUTION! FAN STOP!"
If the power is turned off after this message appears, it means that
the fan is out of order.In this case, contact your local service center.
TROUBLESHOOTING
Resolution
Resolution
Resolution
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