A display apparatus, a driving method of a display apparatus, and a computer readable recording are provided. The method includes displaying an image on an entire screen area of a display unit, and in response to a user or a user device approaching (e.g., being detected by) the display unit, controlling the display unit to reduce the image and display the reduced image in a first area of the screen area and to control a second area of the screen area other than the first area to operate as a mirror.