you need
  • laptop, webcam
on the keyboard of laptop models available key Fn.It is situated on the left side of the keyboard next to the key Ctrl.This function key is, and what its name says.Pressing this key activates additional functions of the other keys.The value of these functions usually be marked blue, less contrasting colors.Function keys to control the sound level, brightness, enabling and disabling the various devices, including a web-cam.Locate on a laptop keyboard symbol depicting a webcam.In most cases, it is on one of the keys from «F1» to «F2».
Press and hold down Fn,
press the key with the symbol of a webcam.The screen image appears briefly crossed the chamber.The camera is turned off.
Disable the webcam and may be the operating system.To do this, run the snap-in equipment. "To do this, open the "Properties" from the context menu of "My Computer."In the dialog box, navigate to the tab "Hardware" and click "Device Manager."In the tree view of all the hardware devices get "image processing device" and click on the "plus sign" standing nearby.Right-click on the name appears in your webcam, select from the popup menu, select "Disable."Confirm the action in the request by pressing the "OK" button.The device will be turned off.
If you want just to end the session of video and no need to disconnect the device in the system, simply close the window, control webcam by clicking on the X in the top right corner of the window or on the "complete video call"in the client program.