InFocus in2124 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.
13
Result
Computer image projected
Background and Desktop projected