SMART GX Series - The Screen Is Blank or Theres a Problem with the Image on the Screen

Chapter 5 Troubleshooting the display
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The screen is blank or there’s a problem with the
image on the screen
Symptom Troubleshooting steps
The screen is blank when the status
light is blue.
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Make sure the screen is working by pressing the Home button on the front
control panel.
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Make sure any connected computers are on and not in Standby mode.
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Restart the display and any connected computers.
See Turning the display on or off on page52.
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Replace the video cables that connect any computers to the display to determine if
the issue is with the cables.
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Ensure video cables that connect any computers to the display meet the
recommended specifications.
See Using recommended cables on page41.
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Ensure that any connected computer’s external video port is enabled, and is set to
output a supported display resolution.
Note
The recommended resolutions are 3140 × 2160 @ 60Hz or 1920 × 1080 @ 60Hz.
A computer is connected to the
display, but only a “No signal”
message appears on the screen.
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Make sure the computer is connected to the currently selected input.
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If the currently selected input is a computer, make sure the computer is not in
Standby mode.
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If the currently selected input is a laptop, make sure that the laptop’s external
display port is enabled.
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Ensure video cables that connect any computers to the display meet the
recommended specifications.
See Using recommended cables on page41.
The image on the screen is distorted.
OR
There are lines, snow or, other visual
noise on the screen.
OR
The image is flickering or flashing.
OR
The image is dim.
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Press the Home button on the front control panel. If the Home screen appears
correctly, the issue is with the video input.
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Switch to a different input and then back to the first input.
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Make sure any connected computers are on and not in Standby mode.
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Restart the display and any connected computers.
See Turning the display on or off on page52.
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Make sure the computer’s display output is configured to a recommended
resolution and refresh rate for the display’s inputs.
Note
The recommended resolutions are 3140 × 2160 @ 60Hz or 1920 × 1080 @ 60Hz.
See Using recommended cables on page41.
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Replace the video cables that connect computers to the display to determine if the
issue is with the cables.
l
Ensure video cables that connect computers to the display meet the recommended
specifications.
See Using recommended cables on page41.