Patent ID: 7991900

Claim:
An image display device which can be connected to a network, comprising: a network connection unit performing communication through the network; a USB connection unit to which a USB memory can be connected; a detection unit detecting types of available networks when the USB memory is connected to the USB connection unit; a writing unit writing setup information necessary for setup of communication with the image display device through the network in the USB memory connected to the USB connection unit so as to be readable from another device which is different from the image display device, the writing unit writing the setup information corresponding to a type of network to be preferentially used based on a detection result by the detection unit; and a display unit displaying images by receiving given image data from the another device which is allowed to perform communication through the network by reading the setup information and performing setup concerning the network when the USB memory removed from the image display device is connected to the another device after the setup information is written.