If you are being told that your camera is being used by another application, or you see the error message "We can't access your camera and microphone". This article should help!
How to re-enable the camera and mic on macOS
- Open System Preferences
- Go to Security & Privacy.
- Under the Privacy tab, ensure your browser is selected to have access to both Camera and Microphone options.
- Restart the browser.
Allow Access for Other Browsers