An electronic apparatus comprising: a display a communication circuitry; a power supply; a user input receiving circuit; a first processor configured to have a first mode which receives first power from the power supply and connects with a server through the communication circuitry to transmit and receive information, and a second mode which receives no power or second power lower than the first power from the power supply; and a second processor configured to output a mode switching signal to change an operation mode of the first processor to the first mode by controlling the power supply while the first processor operates in the second mode, characterized in that: the communication circuitry is configured to identify whether to transmit a communication signal to the second processor based on an IP address of the communication signal, the communication signal being received while the first processor operates in the second mode, the second processor is configured to, in response to receiving the communication signal from the communication circuitry, control the power supply to supply the first power to the first processor such that the operation mode of the first processor is changed to the first mode, and the first processor is configured to, in response to the operation mode of the first processor being changed to the first mode, analyze the communication signal, identify a kind of process to perform based on the analyzation, and control the power supply to supply power to the display based on the identification, wherein the second processor is further configured to output the mode switching signal to change the operation mode of the first processor to the first mode in response to a user input received through the user input receiving circuit while the first processor is in the second mode. a display a communication circuitry; a power supply; a user input receiving circuit; a first processor configured to have a first mode which receives first power from the power supply and connects with a server through the communication circuitry to transmit and receive information, and a second mode which receives no power or second power lower than the first power from the power supply; and a second processor configured to output a mode switching signal to change an operation mode of the first processor to the first mode by controlling the power supply while the first processor operates in the second mode, the communication circuitry is configured to identify whether to transmit a communication signal to the second processor based on an IP address of the communication signal, the communication signal being received while the first processor operates in the second mode, the second processor is configured to, in response to receiving the communication signal from the communication circuitry, control the power supply to supply the first power to the first processor such that the operation mode of the first processor is changed to the first mode, and the first processor is configured to, in response to the operation mode of the first processor being changed to the first mode, analyze the communication signal, identify a kind of process to perform based on the analyzation, and control the power supply to supply power to the display based on the identification,