If the camera indicator light next to the camera flashes green on your Mac notebook, contact Apple.
How to enable your Mac’s webcam/microphone for an online proctored (OLP) exam. Instructions on how to access MAC security and privacy settings to allow Sentinel to use your microphone, and camera. ISight cameras can be used with any software that is programmed to interface with them, and are useful for live video chats as well as recorded videos and still photography. Turn on your iSight camera by enabling it within any iSight-compatible Mac program.
If your Mac is using macOS Catalina and you use Screen Time, make sure your camera is turned on and apps that use the camera have time available.
If your Mac is using macOS Mojave or later, choose which apps can use your built-in camera:
Try to use your camera in another app. For example, if you can't use your camera in FaceTime, open Photo Booth.
If you still can’t use the built-in camera on your Mac, resetting the SMC might help. Learn how to reset the SMC on your Mac.
If you can't connect to FaceTime, learn what to do if FaceTime isn't working on your Mac.