A portable computer includes a lid assembly defining a lower edge and having an outer surface, an inner surface, and a display visible on the inner surface. The portable computer also includes a base defining a front and a back assembly and having an upper surface, a lower surface, and a keyboard on the upper surface. A pair of slots through the upper surface extends from adjacent the back toward the front. A hinge structure has first and second arms rotatably affixed to the base assembly adjacent opposite sides of the back and to the lid assembly at respective locations spaced apart from the lower edge. First and second rails are disposed within the base assembly adjacent the slots and first and second slide elements are slidably connected to the rails, extend through the slots, and are rotatably connected with the lid assembly at the lower edge.