This article will cover troubleshooting steps if you are having camera or microphone issues on your macOS device.
Although Microsoft Teams is the example in this article, this applies with Zoom and other video/audio applications.
Navigate to System Preferences by selecting the Apple logo in the top left hand corner of your screen and selecting System Preferences.
Navigate to Security and Privacy.
Navigate to Privacy
Then select Camera or Microphone on the left hand menu as appropriate.
Ensure that the application you want to use is allowed to use your camera and microphone:
NOTE: If this isn’t ticked, these applications will be unable to use the Microphone or Camera.
If the application is open, you will receive a prompt informing you that the microphone or camera will not function until you quit the application.
Once it has quit, simply reopen the application and you will be able to use the Camera and Microphone as needed.