Simple Troubleshooting
BOXLIGHT.COM
19
If in internal computer mode, check whether the internal
computer has started.
Seeing horizontal
or vertical stripes,
or image is
dithering
Check whether the signal wire is properly connected.
Check whether other electronic equipment or power tools are
placed around the machine.
No color, color is
weak, or image is
weak
Adjust the chromatic and brightness or contrast in menu.
Check whether the signal wire is properly connected.
Audio Function Won't Work Normally
With image but
without sound
Check whether the mute button is pressed.
Press VOL + / - to adjust volume.
Check whether the audio line is connected correctly.
Only one speaker
has sound
Adjust the sound balance in the menu.
Check whether the computer sound control panel only sets up
one sound channel.
Check whether the audio line is connected correctly.
HDMI output without
sound
Check whether the external device is connected.