LG 20LC1RB Owner's Manual - Page 33

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• Press the VOL (or Volume) button.

Picture OK &

• Sound muted? Press MUTE button.

No sound

• Try another channel. The problem may be with the broadcast.

• Are the audio cables installed properly?

No output from

• Adjust Balance in menu option.

one of the

speakers

Unusual sound

• A change in ambient humidity or temperature may result in an

from inside the

unusual noise when the product is turned on or off and does not

product

indicate a fault with the product.

• Adjust resolution, horizontal frequency, or vertical frequency.

The signal is out

• Check it whether the signal cable is connected or loose.

of range.

• Check the input source.

Vertical bar or

stripe on

• Work the Auto configure or adjust clock, phase, or H/V position. (option)

background &

Horizontal Noise

& Incorrect

position

Screen color is

• Check the signal cable.

unstable or

• Reinstall the PC video card.

single color

The audio function does not work.

There is a problem in PC mode.

(Only PC mode applied)

Troubleshooting Checklist