This error is a result of the below issues:
1. The camera or mic is being used by another service and may have taken over your camera.
- GoTo Meeting
- Google Hangouts
Close APP and restart browser.
2. Your hardware connection is not installed properly.
3. Your camera or mic is blocked in your browser settings. You will need to go in your browser settings and allow the camera or mic (see below example using Chrome).
- Click on the lock to open settings
- Select Allow for Camera and Microphone
- Return to site and reload