Ask Proxima C445 User Manual page 17

No computer image, just the words "Signal out of
range"
Image fuzzy or cropped
A
Adjust computer refresh rate in Control
Panel>Display>Settings>Advanced>
Adapter (location varies by operating
system)
You may also need to set a different
resolution on your computer, as shown
in the following problem, "Image fuzzy
or cropped"
Set your computer's display resolution to
the native resolution of the projector
A
(Start>Settings>Control
Panel>Display>Settings tab,
select1024x768)
For a laptop,
disable laptop
monitor
or turn-on dual-
display mode
16
Computer image projected
Image clear and not cropped
A