Infocus LP755 参照ガイド
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Troubleshooting
If you’re experiencing trouble with the projector, follow these
steps to make sure everything is properly connected before you
call Technical Support for assistance.
steps to make sure everything is properly connected before you
call Technical Support for assistance.
1
Check cable connections. Verify that all computer, CableWiz-
ard and power cables are properly connected.
ard and power cables are properly connected.
2
Verify that all power is switched on.
3
Verify that the projector is not in standby (the Standby LED on
the keypad is lit when the projector is in standby).
the keypad is lit when the projector is in standby).
4
If the projector still doesn’t display an image, restart the com-
puter.
puter.
NOTE: Macintosh computers
require a specific power-up
sequence: the projector must be
turned on before you turn on the
computer.
5
If the problem still exists, unplug the cable from the computer
and check the computer monitor’s display. The maximum res-
olution that the projector can display is 1280x1024 pixels, pref-
erably 1024x768. The problem might be with the graphics
controller in your computer rather than with the projector.
When you reconnect the projector, remember to turn the com-
puter and monitor off before you power up the projector.
Power the equipment back up in this order: projector, monitor,
computer.
and check the computer monitor’s display. The maximum res-
olution that the projector can display is 1280x1024 pixels, pref-
erably 1024x768. The problem might be with the graphics
controller in your computer rather than with the projector.
When you reconnect the projector, remember to turn the com-
puter and monitor off before you power up the projector.
Power the equipment back up in this order: projector, monitor,
computer.
6
If you’re using a laptop computer and it is not displaying your
presentation, make sure you have activated the computer’s
external video output. Most laptop computers do not auto-
matically turn on their external video port when a secondary
display device such as a projector is connected. Refer to
page 53 for more information.
presentation, make sure you have activated the computer’s
external video output. Most laptop computers do not auto-
matically turn on their external video port when a secondary
display device such as a projector is connected. Refer to
page 53 for more information.
7
If the problem still exists, read through the problems and solu-
tions in this chapter.
tions in this chapter.