A display apparatus comprising: a storage; a power supply connectable to an AC power source for supplying AC power to the display apparatus; and a processor configured to, in response to the power supply being connected to the AC power source from a state where the power supply was not connected to the AC power source, search, through nearfield communication, for a control device to control the display apparatus, in response to a control device being found as a result of the search, determine whether a pairing history of the found control device is stored in the storage, and in response to determining that the pairing history of the found control device is not stored in the storage, automatically boot an operating system without a user power-on command for driving the display apparatus and perform pairing with the found control device; wherein, in response to determining that the pairing history of the found control device is stored in the storage, the processor is configured to perform pairing with the searched control device based on the pairing history and boot the operating system for driving the display apparatus in response to the user power-on command being input through the found control device, wherein the processor comprises: a sub processor; and a main processor, wherein, in response to AC power being applied to the display apparatus through the power supply from the state where the power supply was not connected to the AC power source, the sub processor is configured to transmit information about a pairing history of the found control device to the main processor, and in response to determining that there is no pairing history of the found control device based on the information received from the sub processor, the main processor is configured to boot the operating system for driving the display apparatus. a storage; a power supply connectable to an AC power source for supplying AC power to the display apparatus; and a processor configured to, in response to the power supply being connected to the AC power source from a state where the power supply was not connected to the AC power source, search, through nearfield communication, for a control device to control the display apparatus, in response to a control device being found as a result of the search, determine whether a pairing history of the found control device is stored in the storage, and in response to determining that the pairing history of the found control device is not stored in the storage, automatically boot an operating system without a user power-on command for driving the display apparatus and perform pairing with the found control device; wherein, in response to determining that the pairing history of the found control device is stored in the storage, the processor is configured to perform pairing with the searched control device based on the pairing history and boot the operating system for driving the display apparatus in response to the user power-on command being input through the found control device, wherein the processor comprises: a sub processor; and a main processor, wherein, in response to AC power being applied to the display apparatus through the power supply from the state where the power supply was not connected to the AC power source, the sub processor is configured to transmit information about a pairing history of the found control device to the main processor, and in response to determining that there is no pairing history of the found control device based on the information received from the sub processor, the main processor is configured to boot the operating system for driving the display apparatus. a sub processor; and a main processor, wherein, in response to AC power being applied to the display apparatus through the power supply from the state where the power supply was not connected to the AC power source, the sub processor is configured to transmit information about a pairing history of the found control device to the main processor, and in response to determining that there is no pairing history of the found control device based on the information received from the sub processor, the main processor is configured to boot the operating system for driving the display apparatus.