Hi. My webcam has suddenly gone dark. I can faintly see the video feed, but overall the video is almost black. I haven’t made any changes to the laptop over the last few days, so am really puzzled. Also, I don’t see others who have had a similar issue. Any ideas?
Murphys law - figured out how to prevent the problem right after posting 
Combination of Camo and my Lenovo Thunderbolt dock. For some reason, Camo was detecting a number of camera devices (USB and MTK) which did not exist. Disabled them in Camo and then restarted. Now it is working fine. Not sure exactly why the problem suddenly appeared…
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