SMART Board MX Series User Manual page 33

Chapter 6
Troubleshooting
Issue
Colors don't appear correctly.
The image is cut off or shifted to the
left or right.
The image doesn't fill the entire
screen.
A persistent image appears on the
display.
The display is on, but nothing shows
on the screen.
smarttech.com/kb/171284
Solutions
Minor differences in colors across displays are common. This issue is not unique to
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SMART products.
If you're using a VGA video input, use a different cable or connect a different source to
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see if the issue is with the cable or input source.
Make sure the cable is not longer than the maximum specified in the display's
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specifications.
Make sure the cable is securely connected to the video connectors on the display and
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the computer.
If the video connection uses and extender or goes through a wall socket, try connecting
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the display and computer directly.
Perform a factory reset.
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Take a photograph of the screen that shows the issue with color and send it to SMART
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support. If SMART support determines that the issue is with the screen and the display is
under warranty, you may be eligible for a replacement.
Adjust the connected computers' video settings, particularly zoom, crop, underscan and
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overscan.
See the computer's operating system documentation.
If the computer's desktop is entirely black, change it to gray or a different color.
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If the computer's desktop is extended across multiple screens, duplicate the desktop
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across the screens or use the display as the only screen.
Make sure the cable is not longer than the maximum specified in the display's
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specifications.
Make sure the cable is securely connected to the video connectors on the display and
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the computer.
If the video connection uses and extender or goes through a wall socket, try connecting
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the display and computer directly.
Adjust the connected computers' video settings, particularly underscan or overscan.
See your computer's operating system documentation.
See Image persistence or burn in on LCD
Make sure any connected computers are on and not in Standby mode.
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Make sure the screen is working by pressing Input
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selecting the correct input source for your device.
Restart the display and any connected computers.
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Replace the video cable connecting the computer to the display to determine if the issue
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is with the cable.
If the video source is HDCP-protected, make sure it's connected to an HDMI port that
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supports a compatible version of HDCP. The HDMI 3 port supports only HDCP 1.4. Be
sure to connect devices that use HDCP 2.2 to the HDMI 1 or HDMI 2 port.
displays.
on the front control panel and
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