Chapter 5 Troubleshooting
docs.smarttech.com/kb/171875 41
Symptom Troubleshooting steps
There are bright spots on the screen.
Colors don’t appear correctly.
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Be aware that if two or more displays are mounted side-by-side, there could be
minor differences in colors across the displays. This issue is not unique to SMART
products.
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If the screen is completely lacking one color on the screen or the color problems
occur on the Home screen, see
Contacting your reseller for additional support
on
page45.
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If you’re using a VGA video input, use a different cable or connect a different source
to see if the issue is with the cable or input source.
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Adjust the display’s color settings, or reset them to the factory defaults.
The image is cut off or shifted to the
left or right.
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Adjust any connected computers’ video settings, particularly zoom, crop, and
underscan.
See the computer’s operating system documentation.
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If you’re using a VGA video input and any connected computers’ desktops are
entirely black, change them to dark gray or a different color.
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If any connected computers’ desktops are extended across multiple screens,
duplicate the desktops across the screens or set the display as the only screen.
The image doesn’t fill the entire
screen.
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Adjust any connected computers’ video settings, particularly overscan.
See the computer’s operating system documentation.
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Make sure the connected computer’s video connector is configured to output a
supported video signal. See the knowledge base article, No video display output
from a laptop.
A persistent image appears on the
display.
See the knowledge base article, Image persistence or burn in on LCD displays.
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