BenQ IL430 Installation Handbook page 69

The picture is distorted with strange patterns.
Possible causes
The video cable is not connected
properly.
The image format is not
supported by your display.
The picture does not fill up the full screen when the input source is D-Sub (VGA).
Possible causes
The picture is not properly
zoomed.
You are running the display at its native resolution, but the image is still distorted.
Possible causes
Images from different input
sources may appear distorted or
stretched on the display running at
its native resolution.
Sound can be heard but no image is displayed.
Possible causes
The video cable is not connected
properly.
(If the input is HDMI)
Poor cable quality.
Make sure the video cable is connected firmly to the
display.
Check the specifications to verify the display's supported
formats.
Go to Screen > Aspect > Wide Zoom or Zoom to
adjust the display's geometry and time frequency
parameters. Refer to the user manual for more
information on the menu options.
Note the picture may be distorted or stretched if fitted to
the screen.
Go to Screen > Aspect to set a proper aspect ratio for
the input source.
Make sure the video cable is connected firmly to the
display.
Try with another HDMI cable.
Possible solutions
Possible solutions
Possible solutions
Possible solutions
Troubleshooting 69