C H A P T E R 5
Troubleshooting your interactive whiteboard system
34
smarttech.com/kb/170453
4.
Connect the power cable, and then turn on the projector.
5.
If the previous steps don’t resolve the issue, disconnect the power cable and then contact your
authorized SMART reseller.
Resolving image issues
To resolve common image issues, complete the following tasks:
l
Ensure the computer or other video source is on and set to display a resolution and refresh rate
supported by the projector (see
l
Ensure the video source is properly connected to the projector.
l
Press the Input Select button on the remote control or ECP to switch to the correct video source.
If these tasks don’t resolve the issue, refer to the following sections for additional troubleshooting
information.
Loss of signal
If a video source signal is not detected, out of range of the
projector’s support video modes or the signal is being
switched to a different device or input, the projector doesn’t
show a source signal and instead displays the SMART
logo on a blue screen.
To resolve signal loss issues
1.
Wait approximately 45 seconds for the image to synchronize. Some video signals require a
longer synchronization period, cycling back through inputs to the one you want also helps image
synchronization.
2.
If the image doesn’t synchronize, check the cable connections to the projector and the ECP.
3.
Ensure that the image signal is compatible with the projector (see
4.
If there are any extension cables, switch boxes, connection wall plates or other devices in the
video connection from the computer to the projector, temporarily remove them to ensure they
aren’t causing the video signal loss.
5.
If your projector still doesn’t show a source signal, contact your authorized SMART reseller.
