BenQ PB8253 user manual Remote mouse function does not work

The computer projected image is too big for the screen or appeared to be cut- off

Cause	Remedy
The computer's resolution does not	1.	Make sure Auto Resize is set to On in
match the projector's resolution.		the Image menu.
	2.	Make sure the H Position and V Position
		settings are correct in the Image menu.
	3.	Configure the computer's external
		display resolution to the projector's
The computer's external monitor		native resolution (1024 x 768 for
		PB8253/PB8263). If this option is not
setting is locked in 640 x 480.
		available, select one of the compatible
		listed in "Supported timing for PC
		(including DVI-I) input" on page 58.
	4.	Check if your presentation files are
		created for a different resolution.

My Window Media Player program works great on my computer, but the movie window is dark on my projector, while the Media Player tools display OK.

Cause	Remedy
	Change the Display settings. Click Start >
	Control Panel > Display > Settings >
	Advanced > Displays. See you computer
The computer external display is set	documentation for details, if you cannot find
	the Display settings by following the
as a secondary display.
	instructions above. Set the Monitor to Primary,
	and the Panel to Secondary. You will see the
	movie window on the projector image, while
	the Panel movie window will be dark.

The remote mouse function does not work.

Cause	Remedy
The USB cable is not correctly	Check the connection. See "Connecting a
	computer" on page 22 for details.
connected to the projector or
	If it still doesn't work, check the mouse driver.
computer.
	See the mouse documentation for details.

56 Troubleshooting