A display apparatus and a control method thereof are provided. The display apparatus is coupled to a video signal supply source through at least one connector. The display apparatus includes: a main storage unit which stores extended display identification data (EDID) therein corresponding to the at least one connector; a temporary storage unit which loads the EDID thereto from the main storage unit; and a controller which loads the EDID stored in the main storage unit to the temporary storage unit if power is supplied, and controls to transmit the EDID corresponding to an EDID requesting signal, among the EDID loaded to the temporary storage unit, through the at least one connector if the EDID requesting signal is received through the at least one connector.