InFocus X3 - Manual (Page 23)

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no computer image, just the words “Signal out of
range” press the Auto Image button on keypad computer image projected
Only my laptop’s background appears, not the
Desktop icons Disable “Extend my Windows Desktop” in
Control Panel>Display>Settings>Display 2
(location varies by operating system)
Background and Desktop projected
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Signal
out of range
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”
adjust computer refresh rate in Control
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Uncheck this
option, then
click Apply
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