The present invention discloses a computer with a display panel mounted thereon, which comprises: a frame structure, a display panel and at least one casing board covering the frame structure. The frame structure further comprises: a front frame, a rear frame, a baseplate connecting the bottoms of the front frame and the rear frame, and two support bars connecting the tops of the front frame and the rear frame. The front and rear frames, the baseplate and the support bars define an accommodation space inside the frame structure and at least four installation planes encasing the accommodation space. The display panel is installed on an arbitrary installation plane and electrically connected to the motherboard to receive video signals and present images. The casing boards are installed on the other installation planes where no display panel is installed.