Simple Troubleshooting - BOXLIGHT ProColor 652U User Manual

Simple Troubleshooting

Remote control
not working
Machine automatically
shut down
PC mode
Signal out of range
Background has vertical
lines or streaks
Image lack of color,
color is incorrect
Display format that is
not supported
Touch Function
Touch function invaild
Touch positioning not
correct
Video function can't work normally
No picture or no sound
With horizontal or
vertical stripes or
image dithering
No color, color is weak
or image is weak
Audio function can't work normally
Video is displayed but
no audio
Only one speaker has
sound
HDMI output without
sound
| USER GUIDE ProColor 652U, 702U, 752U 862U
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1. Remove any objects between remote control and the display's IR port that could be blocking the signal.
2. Check whether the battery electrode in the remote control is correct.
3. Check whether remote control needs to replace battery.
1. Determine if auto-sleep has been activated.
2. Confirm the display has power.
1. Verify that the computer's resolution is set properly.
1. Select automatic correction in menu.
2. Adjust clock and phase position in menu.
1. Confirm the video input cable is properly connected.
2. Adjust chromaticity and brightness or contrast in menu.
1. Select automatic correction in menu.
2. Adjust clock and phase position in menu.
1. Check whether touch driver is installed and started.
2. Confirm the computer recognizes the touch USB connection.
1. Check whether driver is properly installed and make correction.
2. Calibrate.
1. Verify the display is powered up.
2. Confirm the video input cable is properly connected and this input is selected.
3. If in internal computer mode, check whether internal computer is started.
1. Confirm the video input cable is properly connected.
2. Check whether other electronic equipment or power tools are placed around the machine.
1. Adjust chromaticity and brightness or contrast in menu.
2. Check whether signal wire is well connected.
1. Check whether mute is active.
2. Adjust volume.
3. Verify the input cable is connected correctly.
1. Adjust sound balance in menu.
2. Verify the computer is producing audio on both channels.
3. Verify the input cable is connected correctly
1. Verify the input cable is connected correctly and the computer is producing audio.
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