LG M4212C-BA 业主指南

35

• Set the number of colors to more than 24 bits (true

color)

Select Control Panel – Display – Settings – Color 
Table menu in Windows.

• Check the connection status of the signal cable.

Or, re-insert the PC video card.

•  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.

● Screen has poor color resolution    

● Screen color is unstable or mono-

● Do black spots appear on the screen?

• See if the audio cable is connected properly.
• Adjust the volume.
• See if the sound is set properly.

•  Select the appropriate equalize sound.

• Adjust the volume.

● No sound?

● Sound is too dull.

● Sound is too low.