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Problems with the Image or Sound
149
Macintosh:
For a Macintosh, choose Control Panels under the Apple menu and
then choose Monitors. In the Monitors screen, choose Options and
make sure Macintosh Hi-Res Display or another 1024
× 768
(PowerLite 7250 or 7350) and 800
× 600 (PowerLite 5350) display is
selected. For supported display settings, see “Supported Monitor
Displays” on page 156.
You also may need to modify existing presentation files if you created
them for a different resolution. See your software manual for specific
information.
◗ The message NO SIGNAL is displayed.
An image source not connected to the projector is selected, the signal is
not being output from the computer, or the signal is not reaching the
projector. Make sure the connectors are securely attached to both the
projector and the image source. Then check that the image source is
selected correctly. If your projector is attached to a Macintosh, make
sure that the DIP switches on your Macintosh desktop adapter are set
correctly. (See your Macintosh documentation if you need
instructions.) When NO SIGNAL is displayed, you cannot access the
Video menu.
◗ A blank screen is displayed.
The computer signal cannot be interpreted by the projector. Verify the
display format (see page 156). When you see a blank screen, you
cannot access the projector menus.