Abstract: An electronic device capable of maintaining a high level of operability and which prevents damage to the keyboard and other input systems when converted from a laptop PC to a tablet PC. The electronic device includes a main body part having a keyboard and a display part having a display. The main body part and the display part may rotate from a 0-degree position where the display and the keyboard face each other up to a 360-degree position where the back faces of the display and the keyboard face each other through a 180-degree position where the display and the keyboard are parallel with each other while facing the same direction. The electronic device includes an upper leg portion that can advance and retreat from an upper face of the main body part in response to rotational movement of the display part from the 180-degree position to the 360-degree position.