Dell 1200MP Manuel Du Propriétaire page 26

Problem (continued)
Partial, scrolling, or
incorrectly displayed image
The screen does not display
your presentation
Image is unstable or
flickering
Image has vertical
flickering bar
Image color is not correct
Image is out of focus
26
Troubleshooting Your Projector
Possible Solution (continued)
Press the Resync button on the remote control
1
or the control panel.
If you are using a Dell portable computer, set the
2
resolution of the computer to XGA (1024 x 768):
Right-click the unused portion of your
a
Windows desktop, click Properties and then
select Settings tab.
Verify the setting is 1024 x 768 pixels for the
b
external monitor port.
Press
c
If you experience difficulty in changing
resolutions or your monitor freezes, restart all the
equipment and the projector.
If you are not using a Dell portable, see related
documentation.
If you are using a Dell portable computer, press
.
Adjust the tracking in the OSD Computer Image
tab.
Adjust the frequency in the OSD Computer
Image tab.
• If your graphic card output signal appears green,
and you would like to display VGA at 60Hz
signal, please go into the OSD select
Management, select Signal Type, and then select
RGB.
Adjust the focus ring on the projector lens.
1
Ensure that the projection screen is within the
2
required distance from the projector (3.3ft [1m]
to 32.8ft [10m]).
.