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Troubleshooting
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BenQ PB8220/ PB8120 User’s Guide
TROUBLESHOOTING
Common Problems & Solutions
PROBLEMS TRY THESE SOLUTIONS
NO POWER
• Make sure the power cord is inserted snuged into the AC adapter
socket.
• Make sure the power cord is inserted snuged into the power
outlet.
• Toggle the power switch to the position “1”.
• Wait two minutes after the projector is turned off before turning
the projector back on.
NO PICTURE
• Check for the proper input source.
• Ensure all cables are connected properly.
• Adjust the brightness and contrast.
• Remove the lens cap.
TRAPEZOID
IMAGE ON
THE SCREEN
• Reposition the unit to improve its angle on the screen.
•Use the Keystone correction key on the control panel of the
projector or the remote control unit.
POOR COLOR
• Select the correct video system.
• Adjust brightness, contrast, or saturation.
BLURRED
IMAGE
•Press Auto on the control panel of the projector or the remote
control unit to get better picture quality.
• Adjust the focus.
• Reposition the unit to improve its projection angle.
• Ensure the distance between the unit and screen is within the
adjustment range of the lens.
REMOTE
CONTROL
DOES NOT
WORK
• Replace the batteries with new ones.
• Make sure there is no obstacle between the remote control and
the projector.
• Stand within 6 meters (19.5 feet) of the projector.
• Make sure nothing is blocking the front and rear receivers.