Please refer to the FAQ video if you are facing a Webcam Issues (MAC)
You can also refer to the below step to resolve the Webcam Issues (MAC)
1. Click on Apple icon.
2. Please go to System Preference and click on Security and Privacy
3. Then go to Privacy tab and Click on the Lock Icon at the bottom left of Security & Privacy Tab then Enter the system Password.
4. Now, click on the Camera from the left panel and check the box in front of Proctortrack.