Click the apple icon in the menu and select system preferences Click Security and Privacy Click the privacy tab Select camera Select the checkbox next to an app to allow it to access your camera Launch Activity Monitor from Applications Quit all other open apps or utilities that might be using the camera (e.g. Skype, FaceTime, and Photo Booth) If you’re not sure which applications might be accessing your camera, save your work and close all the open apps to rule everything outCheck the camera permissions
Check for apps using the camera simultaneously
Click the apple icon to the top left of your display Click System Preferences Click Screen Time Click Content & Privacy Click “Turn Off”Content & privacy restrictions