CHAPTER 7
TROUBLESHOOTING YOUR INTERACTIVE FLAT PANEL
33
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Symptom
Causes
Solution
The screen resolution is
correct, but the image is
surrounded by black bars.
The computer’s video card
is underscanning the
image.
l
Turn off or adjust the
overscan/underscan feature in
the video card driver software
until the image fits the screen
resolution. Refer to your
computer’s video card Help for
more information.
l
Select the 4K UHD option from
your video card driver’s
advanced menu (if available).
This should provide a pixel-
perfect image for your
interactive flat panel.
You have a poor quality
video cable.
Replace your video cable with a
better quality video cable.
You connected two video
cables together.
Replace your two cables with one
longer cable.
OR
Move your computer so that it’s
within a single cable length of your
interactive flat panel.
The interactive flat panel’s
native resolution doesn’t
match the resolution on
your computer’s display
adapter.
Check the resolution on your
computer’s display adapter and
change the interactive flat panel’s
resolution to match.
Summary of Contents for Board 6065
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