How to fix a Mac’s camera that isn’t working

If you’ve just prepared yourself for an important Zoom meeting or have been looking forward to catching up with friends online, only to discover that the webcam on your Mac suddenly isn’t working, the most obvious response is to tear your clothes while screaming at the sun about the futility of it all. But before you berate the old gods, here are a few solutions you can try to get the camera working once more.  Check it isn’t being
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