A computer connectable image display apparatus for presentation is provided. The image display apparatus has a candidate information obtaining unit, a selection screen display unit, a presentation execution instruction unit, and a drawing screen display unit. The candidate information obtaining unit obtains selection candidate information generated by the computer relating selection candidates for a presentation subject file. The selection screen display unit generates and displays a selection screen for selecting the presentation subject file based on the selection candidate information. The presentation execution instruction unit makes the computer to execute the selected presentation subject file by sending selection results with the selection screen. The drawing screen display unit captures and displays a computer drawing screen drawn by the computer. The image display apparatus displays the selection screen without displaying the computer drawing screen when a connection with the computer is established, and displays the computer drawing screen when drawing by the computer executing the selected presentation subject file is started.