LG 23LX1RV Owners Manual - Page 64
The audio function does not work., There is a problem in PC mode., Only PC mode applied - with horizontal problems
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Reference Troubleshooting Checklist The audio function does not work. Picture OK & No sound • Press the VOL (or Volume) button. • Sound muted? Press MUTE button. • Try another channel. The problem may be with the broadcast. • Are the audio cables installed properly? No output from one • Adjust Balance in menu option. of the speakers Unusual sound from inside the product • A change in ambient humidity or temperature may result in an unusual noise when the product is turned on or off and does not indicate a fault with the product. There is a problem in PC mode. (Only PC mode applied) The signal is out of range. Vertical bar or stripe on back- ground & Horizontal Noise & Incorrect position • Adjust resolution, horizontal frequency, or vertical frequency. • Check it whether the signal cable is connected or loose. • Check the input source. • Work the Auto configure or adjust clock, phase, or H/V position. Screen color is unstable or single color • Check the signal cable. • Reinstall the PC video card. 64