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However, Screen Sharing in Zoom still didn't work!!! I found a command to reset all the ScreenCapture settings in terminal (tccutil reset ScreenCapture). I then reinstalled Zoom and the camera option finally let me pick the Blackmagic device. Then, I installed Desktop Video version 12.1 as soon as I opened it the device was finally found! Step one was complete. Next step was to disconnect the Mini Recorder and reconnected it and made sure the power light was on. I uninstalled, Desktop Video, Zoom, Teams, Skype, and Teamviewer (in case it was using the camera and interfering). Nor was any device found in Desktop Video? Stress and head scratching and foul language ensued for a few days, numerous threads and forums and attempted solutions, but no success.until today! We had no issues until we updated to Big Sur 11.4 and then (weirdly only on one Mac) we couldn't share screen in Zoom (it was caught in an endless loop of asking for Screen Recording Permissions!). We use video cameras, via an UltraStudio Mini Recorder, into converters, to the Mac to run live webinar training sessions. Hi guys, I'm not sure if this is the same issues I had at work but I finally got everything working on our Macs.
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