Here's what you can do if you find that your camera or your microphone, is not working if your teachers asking you to turn something in and record what you've done or take a picture of something that you've done, and you get an error message similar to this access. Please access! The way you can fix that message is to come up to your web address line and right next to this camera, there's a red square, click on the red square and press. Allow always allow done now. When you get that message, your camera will start to work, that's the same for if you have a microphone, if it asks you to record, and you get an error message stating that your microphone does not have access go back to that red square click always allow done now. You'll have access to both your camera and your microphone. Thank you.
Source : Katie Salmela