An image display apparatus for displaying an image produced by image signals on a display section includes: a plurality of input terminals for receiving each of the image signals supplied from a plurality of input sources; an input selector for selecting a predetermined input terminal from the plural input terminals; a judging section for determining whether the image signals have been inputted to the input terminal selected by the input selector; an operating section which receives requirement of search processing for determining whether the image signals have been inputted to each of the plural input terminals; an image signal correcting section which generates image signals for producing a source search screen indicating search status for each of the input source names corresponding to the input terminals; and a control section for displaying an image of the source search screen produced by the image signals at least on the display section.