BenQ PB8120 Projector User Manual


 
Troubleshooting 27
Troubleshooting
Common Problems & Solutions
NO POWER
Try these solutions:
Make sure the power cord is inserted snugged into the AC adapter socket.
Make sure the power cord is inserted snugged into the power outlet.
Toggle the power switch to the position “
| ”.
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.
REMOTE CONTROL DOES NOT WORK
Try these solutions:
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.