Resolving Issues With Image Or Video Quality - Smart Technologies SBID-MX265 Installation And Maintenance Manual

CHAPTER 7
TROUBLESHOOTING

Resolving issues with image or video quality

Issue
You're experiencing the following
or similar issues with image quality:
There are lines or snow on
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the screen.
The image is flickering or
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flashing.
You're experiencing the following
or similar issues with video:
The video is distorted.
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There is visual noise.
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The image is dim.
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There are bright spots on the
screen.
NOTE
It is normal for some areas of the
screen to be slightly brighter
than other, but these variations
should be minor.
59 smarttech.com/kb/171257
Solutions
Set the connected computer's resolution and refresh rates to values that the
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display supports.
See Setting connected computers' resolutions and refresh rates on page 50.
Open the on-screen display menu. If it appears correctly, the issue is with the
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video input.
Restart the display.
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See Turning the display off and back on on page 53.
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
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display and the computer.
If the video connection uses and extender or goes through a wall socket, try
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connecting the display and computer directly.
Make sure any connected computers are on and not in Standby mode.
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Set the connected computers' resolution and refresh rate to values that the
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display supports.
See Setting connected computers' resolutions and refresh rates on page 50.
Restart the display and any connected computers.
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See Turning the display off and back on on page 53.
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
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display and the computer.
If the video connection uses and extender or goes through a wall socket, try
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connecting the display and computer directly.
Replace the video cable to determine if the issue is with the cable.
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Make sure the iQ appliance is securely installed in the accessory slot and its
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power light is on.
Make sure your computer's video driver is up to date.
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Open the on-screen display menu. If it appears correctly, the issue is with the
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video input.
Take a photograph of the screen that shows the variation in brightness and
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send it to SMART 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.
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
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display and the computer.
If the video connection uses and extender or goes through a wall socket, try
l
connecting the display and computer directly.