If you’re a parent, you may also wish to disable your webcam for safety reasons. Instant messengers and websites that utilize video aren’t always safe for children, thus disabling your webcam may be the best course of action. If the camera is external, you could always unplug it and hide it, but this can become tiresome if you are frequently in need of it. And what if, as on most laptops, you have a built in camera?
WebCam On-Off