LG 65SM5B User Guide

21

Screen has poor color resolution (16 
colors).

 

y

 Set the number of colors to more than 24 bits (true color). Select 
Control Panel - Display - Settings - Color Table menu in Windows.

 Screen color is unstable or  
mono-colored.

 

y

Check the connection status of the signal cable. Or, re-insert the 
PC video card.

Do black 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. This is not a malfunction of the 
LCD.

The power suddenly turned off.

 

y

Is the Timer set?

 

y

Check the power control settings. Power interrupted.

No sound?

 

y

See if the audio cable is connected properly.

 

y

Adjust the volume.

 

y

 See if the sound is set properly.

Sound is too dull.

 

y

Select the appropriate equalizer sound.

Sound is too low.

 

y

 Adjust the volume.