A display control method having a working area in which a position of a pointer can move and displaying, on a display screen, at least one of a plurality of display areas (A, B) corresponding to the working area in accordance with a movement of the position of the pointer, wherein the working area comprises one area (a) corresponding to one display area and another area (b) corresponding to another display area, the method comprising: displaying, on the display screen, the one display area corresponding to the one area (a), displaying the pointer on the one display area and not displaying, on the display screen, the display area; determining if the position of the pointer has moved from the one area (a) to the other area (b); if it is determined that the position of the pointer has moved from the one area (a) to the other area (b), displaying, on the display screen, the one display area as well as the other display area corresponding to the other area (b) and displaying, on the other display area, the pointer that has been displayed on the one display area; wherein an input unit has a function of receiving moving operation of the pointer and the pointer position, and the pointer position moves based on the moving operation; wherein the area (a) and the area (b) are positioned to be adjacent to each other, wherein the position of the pointer can move in the one area (a) and the other area (b) in one desktop; wherein the one area (a) and the other area (b) correspond to each of multiple monitors; wherein the first display step includes displaying, on the display screen of one image display device, the one display area of the monitor corresponding to the one area (a), and, wherein the second display step includes displaying, on the display screen, the one display area as well as the other display area of the other monitor corresponding to the other area (b), wherein in the second display step, the one display area and the other display area are displayed as Picture-in-Picture, wherein the other display area is superimposed on the one display area, and wherein the one area (a) and the other area (b) are not displayed on the display screen. displaying, on the display screen, the one display area corresponding to the one area (a), displaying the pointer on the one display area and not displaying, on the display screen, the display area; determining if the position of the pointer has moved from the one area (a) to the other area (b); if it is determined that the position of the pointer has moved from the one area (a) to the other area (b), displaying, on the display screen, the one display area as well as the other display area corresponding to the other area (b) and displaying, on the other display area, the pointer that has been displayed on the one display area; wherein an input unit has a function of receiving moving operation of the pointer and the pointer position, and the pointer position moves based on the moving operation; wherein the area (a) and the area (b) are positioned to be adjacent to each other, wherein the position of the pointer can move in the one area (a) and the other area (b) in one desktop; wherein the one area (a) and the other area (b) correspond to each of multiple monitors; wherein the first display step includes displaying, on the display screen of one image display device, the one display area of the monitor corresponding to the one area (a), and, wherein the second display step includes displaying, on the display screen, the one display area as well as the other display area of the other monitor corresponding to the other area (b), wherein in the second display step, the one display area and the other display area are displayed as Picture-in-Picture, wherein the other display area is superimposed on the one display area, and wherein the one area (a) and the other area (b) are not displayed on the display screen.