Dell 7700HD Projector - Manual (Page 102)

Problem (continued) Possible Solution (continued)
Partial, scrolling, or
incorrectly displayed image
1 Press the Auto Adjust button on the remote
control or the control panel.
2 If you are using a Dell™ portable computer,
set the resolution of the computer to Full
HD (1920 x 1080):
a Right-click the unused portion of your
Microsoft ® Windows ® desktop, click
Properties, and then select Settings tab.
b Verify that the setting is 1920 x 1080 pixels
for the external monitor port.
c Press (Fn+F8).
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.
The screen does not display If you are using a portable computer, press
your presentation (Fn+F8).
Image is unstable or flickering Adjust the tracking in the OSD Display
Settings of the Advanced Settings menu (in
PC Mode only).
Image has vertical flickering Adjust the frequency in the OSD Display
bar Settings of the Advanced Settings menu (in
PC Mode only).
Image color is incorrect • 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.
Troubleshooting Your Projector 102