Dell M900HD User Manual page 72

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 incorrect
Image is out of focus
72 Troubleshooting Your Projector
Downloaded from ProjectorsManual.com Manuals
Possible Solution (continued)
If you are using a Dell™ portable
computer, set the resolution of the
computer to WXGA (1280 x 800):
a
Right-click the unused portion of your
®
Microsoft Windows
Properties, and then select Settings
tab.
b
Verify that the setting is 1280 x 800
pixels for the external monitor port.
c
Press
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
dell.com/support.
If you are using a portable computer,
press (Fn+F8).
Adjust the tracking in the OSD Display
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).
Use Test Pattern in the Projector Settings
of the Advanced Settings menu. Ensure
that the colors of the test pattern are
correct.
1
Adjust the focus ring on the projector
lens.
2
Ensure that the projection screen is
within the required distance from the
projector (2.98 ft [91 cm] to 7.87 ft [240
cm]).
®
desktop, click
(Fn+F8).