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BenQ PB7200/ PB7220/ PB7100 User’s Manual
TR O U B L E S H O O T I N G
Common Problems & Solutions
NO POWER
Try these solutions:
• 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
Try these solutions:
• 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
Try these solutions:
• 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
Try these solutions:
• Select the correct video system.
• Adjust brightness, contrast, or saturation.
BLURRED IMAGE
Try these solutions:
•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.