Strangely, the USB3 port works with my Logitech Brio webcam, but not with my HHKB or my Jabra headset. Ethernet spontaneously started working this week.
andlewis
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution