BOXLIGHT ProColor 652U - Simple Troubleshooting

16 | USER GUIDE ProColor 652U, 702U, 752U 862U
Simple Troubleshooting
PC mode
Touch Function
Video function can't work normally
Audio function can't work normally
Remote control
not working
Machine automatically
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.
.
Signal out of range
Background has vertical
Image lack of color,
Display format that is
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.
Touch function invaild
Touch positioning not
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.
No picture or no sound
With horizontal or
vertical stripes or
image dithering
No color, color is weak
Video is displayed but
no audio
Only one speaker has
HDMI output without
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. Verify the input cable is connected correctly and the computer is producing audio.
1. Adjust sound balance in menu.
2. Verify the computer is producing audio on both channels.
3. Verify the input cable is connected correctly
shut down
lines or streaks
color is incorrect
not supported
correct
or image is weak
sound
sound
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Installation Connecting and Setting Menu Operation Troubleshooting Care Maintenance