InFocus DISPLAY LINK IN3902LB - Manual (Page 21)

20
Problem Solution Result
No computer image, just the words “Signal out of
range” Press the Auto Image Button on keypad. 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”
Computer image projected
Only my laptop’s background appears, not the
Desktop icons DisplayLink - Use DisplayLink software to change the display
mode from Extended Desktop to Duplicated Desktop.
Windows - Disable "Extend my Windows Desktop" in Control
Panel > Display > Settings > Display 2 (location varies by
operating system)
Background and Desktop projected
Signal out of
the range
A
A
A
A
A
Uncheck this
option, then
click Apply
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A