Looking for advice of how to get output from a PC (or Mac) laptop running PowerPoint or Video clip to a MacBook Pro or Mini (both are non-Thunder) running BoinxTV. I got the Epiphan USB2VGA and the frame rates are okay for very simple PPTs, but everyone has complex PPT builds nowadays. Also, I can get the Epiphan to hang BoinxTV pretty easily.
The “higher” version of Epiphan capture boxes also do higher framerates extremely fine. These boxes are the most painless solution for your need as they can cope with any resolution and framerate that one feeds them.
Are you running the latest Epiphan drivers? I did several hour long shoots with them, without any crash.