A display device includes a generation unit that generates image data according to a position of a pointer, a communication unit that communicates with an information processing device that generates image data according to the position of the pointer, and a control unit that causes the communication unit to perform a transmission operation of transmitting image information corresponding to an image including an image indicated by the image data generated by the generation unit in a first state in which the generation unit generates the image data according to the position of the pointer, to the information processing device, when a state is switched from the first state to a second state in which the information processing device generates the image data according to the position of the pointer.