a display apparatus interlocking with a control apparatus including a touch pad

The method of controlling a display device cooperating with the control device comprising a touch pad are provided. Control method of the display device is to display the notebook area, and the at least one icon, when the user touch input is input in a predetermined area of ​​the touchpad, the operation in a first mode to display an image corresponding to a user touch input to the note areas and, when the user touch input is outside a predetermined area of ​​the touch pad input, to display the highlight on one of the at least one icon, and operates in a second mode to operate the at least one icon.