The image from your connected laptop computer isn’t projected
Laptop computer settings can interfere with projector operations.
Some laptop computers deactivate their screens when you connect a secondary display device.
Refer to your computer’s manual for details on reactivating its display screen.
Unstable or flickering image
If the projector’s image is unstable or flickering, you could have different tracking settings on your
input source.
I
I M P O R T A N T
Write down your setting values before adjusting any of the settings in the following procedure.
g
To resolve your unstable or flickering image
1. Adjust the
Tracking
setting in the on-screen display. See
2. Change the tracking settings on your computer. Refer to your computer’s manual for more
information.
3. Optionally, reset the projector as described in
on page 53 to adjust the
tracking to its original value.
I
I M P O R T A N T
This action resets all values to their defaults.
Your image has a vertical flickering bar
If the projector displays a vertical flickering bar, you could have different frequency settings on your
input source.
I
I M P O R T A N T
Write down your setting values before adjusting any of the settings in the following procedure.
g
To resolve the vertical flickering bar issue
1. Adjust the
Frequency
setting in the on-screen display. See
14.
C H A P T E R 6
Troubleshooting your interactive whiteboard system
51
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