Benq SP831 Manuel D’Utilisation

Troubleshooting

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The computer projected picture 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.

The picture contains static or noise.

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 Display > 
Position menu.

2.

Configure the computer's external 
display resolution to the projector's 
native resolution (1280 x 768 for SP830/
SP831). If this option is not available, 
select one of the compatible listed in 

3.

Check if your presentation files are 
created for a different resolution.

The computer's external monitor 
setting is locked in 640 x 480. 

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 projection screen, while 
the Panel movie window will be dark.

The USB cable is not correctly 
connected to the projector or 
computer.

Check the connection. See 

 for details.

If it still doesn't work, check the mouse driver. 
See the mouse documentation for details.

You are using a computer cable longer 
than 6 feet (2 meters), or an extension 
cable.

Change you signal cable to a regular length 
and avoid using extension cables.

Your computer and video cables 
interfere with each other.

Keep your computer and video cables away 
from the power cord as much as possible to 
prevent interference.