Why can't a website access my camera?
Step 1: Check your site permissions in Chrome
Make sure you allow camera access on the site you want to use. You can allow all sites to use your camera, or just the specific site you're on. Learn more about site permissions.
How do I enable WebRTC on Chrome?
In the address bar, type about:config and hit «Enter.» The system will notify you that you must exercise caution when introducing changes. Press «Accept Risk and Continue.» Click on the toggle for false to change to true. Now WebRTC is enabled, and you can present at a webinar.