An electronic device includes a first unit and a second unit. The second unit that rotates, about a rotation axis, between a closed state and an open state with respect to the first. The second unit includes, in at least a part in a lateral direction of a top face in the upright position, a first face formed to extend from a rear face to a front face of the second unit as a horizontal face or an ascending slope up to a midpoint and a second face formed as a descending slope following the first face, and an enclosure having a front housing positioned on the front face side in the upright position and a rear housing positioned on the rear face side in the upright position. The second face is formed at the front housing, and the locking release projection projects from the second face.