If you've denied Lightstream access to your webcam and microphones inside of your browser, you can click on the camera icon in your address bar at the top right and change the option to "Always allow".
You must allow access to both your webcam & microphone for either to function properly.
If you don't see this icon, click on the green "Add Layer" button and select "Camera".
If you don’t see the red camera icon on the right side of your browsers URL area, you can also use the lock icon on the left side to grant us permissions to your hardware.
If you’re a macOS user and having trouble getting your camera and microphone added, please view this article for additional steps you may need to take.