A display apparatus includes a cabinet; a display panel provided on the cabinet; a door provided on the cabinet and configured to be opened and closed; a first detector configured to detect opening of the door and output a first signal in response to the door being opened; an image data receiver configured to receive content data from an image source device; and a first controller configured to control the display panel to display a first image corresponding to the content data received from the image source device and control the display panel to display a second image different from the first image in response to receiving the first signal.