Dell 4610X User Manual page 80

(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 sub-
Image has vertical flickering
bar
Image color is incorrect
Image is out of focus
80 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 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 1024 x 768 pixels
b
for 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 computer's
documentation. The output signal from the
computer may not be according to industry
standards. Should this happen, upgrade the
video driver of the computer. For a Dell
computer, see support.dell.com.
If you are using a portable computer, press
(Fn+F8).
menu (in PC Mode only).
Adjust the frequency in the OSD Display sub-
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 Display tab.
• Use Test Pattern in the Others menu.
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
(3.94 ft [1.2 m] to 32.81 ft [10 m]).
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®
desktop, click
(Fn+F8).