CHAPTER 6
TROUBLESHOOTING
Resolving connected computer issues
Use the following table to resolve connected computer issues:
Symptom
The connected computer's display is
too large, too small or doesn't
completely fill the screen.
The connected computer's screen
resolution is correct, but the image is
surrounded by black bars.
The connected computer's display is
unstable or unfocused.
The SMART Board icon
doesn't
appear.
Touch interactivity is slow.
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smarttech.com/kb/170642
Cause
The connected computer's video
resolution settings don't match the
interactive flat panel's native resolution.
The connected computer's video card
is underscanning the image.
The video cable is of poor quality.
You're using two connected video
cables.
The video connection is loose.
The video cable is of poor quality.
You're using two connected video
cables.
The connected computer's video
display card is defective.
SMART Product Drivers isn't installed.
SMART Product Drivers isn't running.
The connected computer is running too
many applications.
Solution
Set the computer's video resolution to
3840 × 2160 at 30 Hz. (If the connected
computer can't support this resolution,
consider 1920 × 1080 at 60 Hz as an
alternative.)
Turn off or adjust the
overscan/underscan feature in the
video card driver software until the
image fits the screen resolution. Refer
to the computer's video card Help for
more information.
Select the 4K UHD option from the
video card driver's advanced menu (if
available).
Replace the video cable with a better
quality video cable.
Replace the two cables with one longer
cable.
OR
Move the computer so that it's within a
single cable length of the
interactive flat panel.
Secure the video cable to both your
computer and the interactive flat panel.
Replace the video cable with a better
quality video cable.
Replace the two cables with one longer
cable.
OR
Move the computer so that it's within a
single cable length of the
interactive flat panel.
Connect a different computer to the
interactive flat panel. If this improves
the image quality, consider replacing
the video card in the original computer.
Download and install SMART Product
Drivers from
smarttech.com/downloads.
Start SMART Product Drivers following
the steps in the Help.
Close some open applications.
Need help?
Do you have a question about the SMART Board 6000 Series and is the answer not in the manual?