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C H A P T E R 5
Troubleshootingyour interactivewhiteboardsystem
37 smarttech.com/kb/170549
To resolve the unlit projector Power and Service lights issue
1. Check the power source, and then make sure that all cables are connected.
2. Confirm that the projector is connected to an active power outlet.
3. Make sure the pins on the connectors aren’t broken or bent.
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 SMARTreseller.
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 aresolution and refresh rate
supported by the projector (see Video format on page 79).
l Ensure the video source is properly connected to the projector.
l Press the Input button on the remote control or the Input Select button on the pen tray 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 isn’t detected, if it’s out
of range of the projector’s support video modes
or if 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.