InFocus IN122ST User Manual page 14

Problem
No computer image, just the words "Signal out of
range"
Only my laptop's background appears, not the
Desktop icons
Solution
Press the Auto Image button on remote
Adjust computer refresh rate (Windows 7: Control
Panel > Display > Screen Resolution > Advanced
Settings > Adapter tab). Varies per operating system.
You may also need to set a different resolution on your
computer, as shown in the following problem, "image
fuzzy or cropped"
Change the Multiple Display setting to "Duplicate these
displays" (Windows 7: Control Panel > Display > Screen
Resolution). Varies per operating system.
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Result
Computer image projected
Background and Desktop projected