How to Shut Off the Camera on a Macbook

Click on the QuickTime icon in the Dock of your Macbook to launch the video application.
Click 'File' from the QuickTime menu, then click 'New Movie Recording.' The iSight camera's light glows, indicating that it is on.
Click the red button to record a video.
Click the black button to stop recording the video. The iSight camera's light turns off, indicating that the camera is shut off.
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