BenQ PB8253 User Manual page 56

The computer projected image is too big for the screen or appeared to be cut-
off
Cause
The computer's resolution does not
match the projector's resolution.
The computer's external monitor
setting is locked in 640 x 480.
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
The computer external display is set
as a secondary display.
The remote mouse function does not work.
Cause
The USB cable is not correctly
connected to the projector or
computer.
56 Troubleshooting
Remedy
1. Make sure Auto Resize is set to On in
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
native resolution (1024 x 768 for
PB8253/PB8263). If this option is not
available, select one of the compatible
listed in "Supported timing for PC
(including DVI-I) input" on page
4. Check if your presentation files are
created for a different resolution.
Remedy
Change the Display settings. Click Start >
Control Panel > Display > Settings >
Advanced > Displays. See you computer
documentation for details, if you cannot find
the Display settings by following the
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.
Remedy
Check the connection. See
computer" on page 22
If it still doesn't work, check the mouse driver.
See the mouse documentation for details.
58.
"Connecting a
for details.