Troubleshooting - BenQ SH Series Quick Start Manual

Troubleshooting

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
The image appears
too 'washed out', or
the darkest areas of
the image appear too
bright
Improper screen
position or size
The image appears
distorted
"Not supported"
appears
34 Reference
Possible causes
• Check that the power plug is securely inserted into both
the socket on the display and the wall outlet,
AC-INLET
and that the wall outlet is switched on (if switched).
• Check that the main power switch is turned on.
• 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 green).
• 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
menu is not set to
Off
• Check the picture properties in the
Reduce the brightness level until the black areas of the
picture appear as black.
• Select a different Picture Mode.
• The input source device (e.g. DVD player) brightness
level may be set too high. Reduce its brightness level.
• The video signal has not been terminated properly
somewhere in the external equipment. Check the
connection and try again.
• 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.
option in the
Speaker Out
.
Picture
Audio
menu.