CHAPTER 5
TROUBLESHOOTING THE INTERACTIVE WHITEBOARD SYSTEM
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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.
To resolve signal loss issues
1. Wait approximately 45 seconds for the image to synchronize. Some video signals require
more time to synchronize. Cycling through the inputs can also help image synchronization.
2. If the image doesn’t synchronize, check the cable connections to the projector.
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 the projector still doesn’t show a source signal, contact your authorized SMART reseller.
Partial, scrolling or incorrectly displayed image
NOTE
This procedure may vary depending on the version of Windows® operating system or Mac OS X
operating system software and your system preferences. The following procedures apply to
Windows 7 operating systems and Mac OS X 10.8 operating system software.
