Disabling the Macbook Webcam

Disabling the webcam:

Open Terminal via Spotlight.

Now Type the following commands and press <Enter> after each:

$ cd /System/Library/QuickTime/

$ sudo mkdir backup

$ sudo cp -rfv QuickTimeUSBVDCDigitizer.component/ backup/

$ sudo rm -rfv QuickTimeUSBVDCDigitizer.component/

$ sudo reboot

The sudo command will ask for your root password when executed first time in the session.

Enabling the webcam:

Execute the following commands:

$ cd /System/Library/QuickTime/

$ sudo cp -rfv backup/QuickTimeUSBVDCDigitizer.component/ .

$ sudo rm –rf backup/

$ sudo reboot

Disclaimer: Use at your own risk.