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Troubleshooting 63
The computer projected image is too big for the screen or appeared to be cut-
off
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.
The remote mouse function does not work.
Cause Remedy
The computer's resolution does not
match the projector's resolution.
1. Make sure the H Position and V Position
settings are correct in the Image menu.
2. Configure the computer's external
display resolution to the projector's
native resolution (1024 x 768 for
MP770). If this option is not available,
select one of the compatible listed in
"Supported timing for PC (including DVI-
I) input" on page 65.
3. Check if your presentation files are
created for a different resolution.
The computer's external monitor
setting is locked in 640 x 480.
Cause Remedy
The computer external display is set
as a secondary display.
Change the Display settings. Click Start >
Control Panel > Display > Settings >
Advanced > Display. 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.
Cause Remedy
The USB cable is not correctly
connected to the projector or
computer.
Check the connection. See "Connecting a
computer" on page 22 for details.
If it still doesn't work, check the mouse driver.
See the mouse documentation for details.