LG 22SM3B-B Owner's Manual page 14

14
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.
See if the audio cable is connected properly.
y
Adjust the volume.
y
See if the sound is set properly.
y
Select the appropriate equalizer sound.
y
Adjust the volume.
y
Set the number of colors to more than 24 bits (true color). Select
y
Control Panel → Display → Settings → Color Table menu in
Windows.
Check the connection status of the signal cable. Or, re-insert the
y
PC video card.
Several pixels (red, green, blue, white, or black color) may
y
appear on the screen, which can be attributable to the unique
characteristics of the LCD panel. This is not a malfunction of the
LCD.
Is the Timer set?
y
Check the power control settings. Power interrupted.
y
Action
Action
Action