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Chapter 5
Troubleshooting
The display is turning on when it shouldn't
Symptom
The display turns on or enters Ready
mode when it shouldn't.
The screen is blank or there's a problem with the
image on the screen
Symptom
The screen is blank.
A computer is connected to the
display, but only a connection
message appears on the screen.
smarttech.com/kb/171415
Troubleshooting steps
Check for and, if possible, move the display away from the following:
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Direct sunlight
o
Bright lights
o
Forced air ducts
o
Plasma displays
o
Infrared audio systems and other infrared sources
o
Polished floors, glass walls, or other reflective surfaces
o
Be aware that the proximity sensors' range is 16' (5 m).
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NOTE
The display will turn on when one of its receptacles receives a video signal, when
checking for or applying system updates, or when it receives commands via its RS-
232 connection.
Troubleshooting steps
Make sure the screen is working by tapping the Home button
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or pressing the Home button
Make sure any connected computers are on and not in an energy saving mode.
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Make sure any connected computers are on and not in an energy saving mode.
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Restart the display and any connected computers.
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Replace the video cables connecting any computers to the display to determine if the
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issue is with the cables.
Make sure the computer is connected to the currently selected input.
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Make sure the display supports the connected computer's refresh rate.
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See Setting a connected computer's resolution and refresh rate on page 49.
If the currently selected input is a computer, make sure the computer is not in an
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energy saving mode.
on the remote control to open the Home screen.
below the screen
54
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