Dell 4320 User Manual page 102

(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 Display
Image has vertical flickering
bar
Image color is incorrect
102 Troubleshooting Your Projector
Possible Solution
Press the Auto Adjust button on the remote
1
control or the control panel.
If you are using a Dell™ portable computer,
2
set the resolution of the computer to WXGA
(1280 x 800) or XGA (1024 x 768):
Right-click the unused portion of your
a
®
Microsoft Windows
Properties, and then select Settings tab.
Verify that the setting is 1280 x 800 or
b
1024 x 768 pixels for the external monitor
port.
Press
c
If you experience difficulty in changing
resolutions, or if your monitor freezes, restart
all the equipment and the projector.
If you are not using a Dell™ portable
computer, see your documentation. If images
are not displayed properly, please upgrade the
video driver of your computer. For a Dell
computer, see support.dell.com.
If you are using a portable computer, press
(Fn+F8).
Settings of the Advanced Settings menu (in
PC Mode only).
Adjust the frequency in the OSD Display
Settings of the Advanced Settings menu (in
PC Mode only).
• If the display receives the wrong signal
output from the graphics card, please set the
signal type to RGB in the OSD Image
Settings of the Advanced Settings tab.
• Use Test Pattern in the Projector Settings of
the Advanced Settings menu. Ensure that
the colors of the test pattern are correct.
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®
desktop, click
(Fn+F8).