If you are not seeing a video feed in your browser, there may be a problem with the browser's permission to use your camera. To commence with the session, you need to allow the browser permission to use your camera and microphone on a new site.
Check your camera and microphone permissions in Chrome:
1. Before launching the exam/assessment, click the lock icon inside the URL/Address bar and go to Site Settings
2. Settings Tab will open. Make sure to Allow permission for Camera, Microphone, Flash and Pop-ups and Redirect.
3. Go back to the exam/assessment page. Below the URL/Address bar, there's a message that says reload your page. Click on the blue Reload button
4. Launch the exam/assessment.