LG M4212C-BA User's Guide download pdf (Page 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

(16 colors).

●

Screen color is unstable or mono-

colored.

●

Do black spots appear on the screen?

Screen color is abnormal.

• 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.

The audio function does not work.

Troubleshooting

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LG M4212C-BA User's Guide Page 35