Owner's Manual
Page 98
The problem may result in PC mode. (Only PC mode applied) The signal is not available for all models. I Check the input source. I Check USB cable over version 1.3. Screen colour is switched on background & Horizontal Noise & Incorrect position I Adjust resolution, horizontal frequency, or vertical frequency. I Check the signal cable. There ...out of the speakers I Adjust Balance in ambient humidity or temperature may be with the TV. Press MUTE button. No sound when connecting HDMI or USB I Sound muted? No output from I Reinstall the PC video card. APPENDIX 96
The problem may result in PC mode. (Only PC mode applied) The signal is not available for all models. I Check the input source. I Check USB cable over version 1.3. Screen colour is switched on background & Horizontal Noise & Incorrect position I Adjust resolution, horizontal frequency, or vertical frequency. I Check the signal cable. There ...out of the speakers I Adjust Balance in ambient humidity or temperature may be with the TV. Press MUTE button. No sound when connecting HDMI or USB I Sound muted? No output from I Reinstall the PC video card. APPENDIX 96