A display device and method for receiving a user input of the display device, are discussed. According to an embodiment, the method can include displaying a displayable content which includes at least one input box; receiving a control signal corresponding to a navigating input from a portable device, wherein the portable device is connected with the display device and the navigating input is for navigating the displayable content; transmitting the input box to the portable device, wherein the input box is displayed in the portable device when a user input for mode switching is detected by the portable device and the input box is extracted from the displayable content; and receiving a user input from the portable device wherein the user input is inputted in the transmitted input box.