If permissions are disabled, the back camera will fail. Temporary glitches often cause the camera to freeze. Restarting ...

If you regularly make audio or video calls on your computer, you've seen people appearing out of frame, or hunting for the unmute button, or otherwise trying to get their technical setup ...

Restart your computer. Plug your webcam into another available USB port. Check your webcam cable. The cable might be damaged. Test your webcam on another working computer. The above steps will let you ...