VIEWSONIC 55" 4K Wireless Presentation Display Bundle with Wall Mount - Manual (Page 85)

85
Video Not Working Properly
Problem or Issue Possible Solutions
No picture/ No sound
1. Check the Power status.
2. Check the signal cable.
3. Check that the internal PC is installed correctly.
Picture is unclear or
cuts in and out
1. Check the signal cable.
2. Check if other electronics are interrupting the signal.
Poor picture
1. Adjust chroma, brightness, and contrast settings in
the menu.
2. Check the signal cable.
Audio Not Working Properly
Problem or Issue Possible Solutions
No sound
1. Press the Mute/Unmute button.
2. Adjust the volume.
3. Check the audio cable.
One speaker only
1. Adjust the sound balance in the menu.
2. Check the sound control panel settings of the
computer.
3. Check the audio cable.