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Trouble shooting
There are many external influences and circumstances beyond the control of BenQ which may
be causing problems with your display. Some of the more common and user fixable problems
are listed below for your information.
Please check the following list before calling your nearest BenQ Customer Service Center, and
attempt the following steps to diagnose and fix the problem yourself:
Symptoms
The display does not
turn ON
There is no picture or
sound
Improper screen
position or size
The image appears
distorted
"Not supported"
appears
58
Reference
Possible causes
• Check that the power plug is securely inserted into both the AC-
IN socket on the display and the wall outlet, and that the wall
outlet is switched on (if switched).
• Check that power is available from the power outlet by trying
another known working appliance (e.g. desk lamp) from that
same power outlet.
• Check that the display is turned on (The power indicator should
be blue).
• Try a different input source to confirm if the symptom is still
present or whether the source is at fault.
• Check for mis-connection of cables for that input.
• Adjust the volume control to check that isn't turned down.
• Make sure that the Speaker Out option in the Audio menu is not
set to Off.
• Try selecting a different aspect ratio.
• Try a different input source to confirm if the symptom is still
present or whether the source is at fault.
• Ensure the display's aspect ratio is correctly set to suit the image
source.
• Try a different input source to confirm if the symptom is still
present or whether the source is at fault.
The PC VGA output signal resolution is set too high. 1920 × 1080 @
60Hz is the highest acceptable PC timing.
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