C H A P T E R 5
Troubleshooting your interactive whiteboard system
42
smarttech.com/kb/170510
Some laptop computers deactivate their screens when you connect a secondary display device.
Refer to your computer’s manual for details on reactivating the computer's display screen.
Unaligned projected image
Alignment errors occur when the projected image isn’t perpendicular to the screen. Alignment errors
can occur when you mount your interactive whiteboard system on an uneven surface or a wall that
has obstructions, or if you swivel the projector too far from the vertical center of your interactive
whiteboard.
Use the instructions in the included
SMART Board 685ix2 interactive whiteboard systems installation
instructions
) to eliminate most image alignment issues.
The projector image can slip if the projector is moved often or installed in a location prone to vibration,
such as next to a heavy door. Follow these precautions to help prevent the image from becoming
misaligned:
l
Make sure that the installation wall is plumb and square and doesn’t move or vibrate
excessively.
l
Make sure that there are no obstructions behind the projector’s wall-mounting bracket, and that
the bracket is firmly secured to the wall according to the installation instructions.
l
Confirm that all cables are held in place with the appropriate cable management clip.
l
Adjust the projected image. See the included
SMART Board 685ix2 interactive whiteboard
system textless installation guide
Resolving audio issues
The projector includes an internal speaker. You can also connect an external audio system to the
audio output connector in the projector’s connection panel. If sound isn’t coming from either your
internal speaker or your external audio system, perform the following procedures.
N O T E
You might need to configure your computer to pass audio through HDMI if it isn’t configured
automatically.
To resolve audio issues, complete the following tasks:
l
If you’re using optional external speakers or an external audio system, ensure that the speakers’
or audio system’s cables are properly connected to the audio output plug on the projector’s
connection panel.
