Dell 5100MP Owner's Manual page 46

(continued)
Problem
Partial, scrolling, or
incorrectly displayed image
The screen does not display
your presentation
Image is unstable or flickering Adjust the tracking in the OSD Computer
Image has vertical flickering
bar
Image color is not correct
Image is out of focus
46 Troubleshooting Your Projector
(continued)
Possible Solution
• Press the Resync button on the remote
control or the control panel.
If you are using a Dell portable computer, set
•
the resolution of the computer to XGA
(1024 x 768):
Right-lick the unused portion of your
a
Windows desktop, click Properties and
then select Settings tab.
Verify the setting is 1024 x 768 pixels for
b
the 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 computer,
see your documentation.
If you are using a portable computer, press
.
Source tab.
Adjust the frequency in the OSD Computer
Source tab.
• If your graphic card output signal is sync on
Green, and you would like to display VGA at
60Hz signal, please go into OSD select
Management, select Signal Type and then
select RGB.
• Run the Self-diagnostic test (see " Self-
diagnostic for video ") for preliminary
diagnostic on image color problem. Ensure
that the colors of the test pattern are correct.
Adjust the focus ring on the projector lens.
1
Ensure that the projection screen is within
2
the required distance from the projector
(4.9 ft [1.5 m] to 39.4 ft [12 m]).