Go to macOS system preferences / Displays / Arrangement and disable "Mirror Displays"- I connected and selected my projector on madmapper, as well as a camera but I always get the message to assign at least one output to a projector. What am I doing wrong??
Are you sure you USB cable has 4 wires and is not a "power only" cable ?I have two different canon cameras (5D Mark iii, EOS) available but both are not regonised through the USB cable
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