InFocus IN1112A User Manual page 14

Problem
No computer image, just the words "Signal out
of range"
Sig na l ou t of
th e ra ng e
Only my laptop's background appears, not the
Desktop icons
Solution
Press the Auto Image button on the keypad. Adjust computer
refresh rate (Windows 7: Control Panel > Display > Screen
Resolution > Advanced Settings > Monitor 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.
Uncheck this
option, then
click Apply
13
Result
Computer image projected
Background and Desktop projected