Chapter 5
Troubleshooting the display
smarttech.com/kb/171744 62
The display is turning off when it shouldn’t
Symptom Troubleshooting steps
The display turns off or enters Standby
mode when it shouldn’t.
l Check the power off timer setting to determine whether there’s an issue is with the
setting’s configuration.
See Power settings on page80.
l Check the automatic no-signal setting to determine whether there’s an issue is with the
setting's configuration.
See Source settings on page83.
l If the display is connected to a room control system via the RS-232 connection,
disconnect it to determine if the problem is being caused by the room control system.
The screen is blank or there’s a problem with the
image on the screen
Symptom Troubleshooting steps
The screen is blank when the status
light is green.
l
Make sure the screen is working by pressing the Home button on the front control
panel.
l Make sure any connected computers are on and not in Standby mode.
l Restart the display and any connected computers.
See Turning the display on or off on page53.
l Replace the video cables that connect any computers to the display to determine if the
issue is with the cables.
l Ensure video cables that connect any computers to the display meet the recommended
specifications.
See Using recommended cables on page39.
l Ensure that any connected computer’s external video port is enabled, and is set to
output a supported display resolution.
NOTE
The following resolutions are recommended: 3840 × 216 or 1920 × 1080.
To Next Page
Loading...
Need help?
General