The process of downloading the Extron SMX 400 Frame MultiMatrix Switcher Firmware 1.20 driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the Extron SMX 400 Frame MultiMatrix Switcher Firmware 1.20 driver from the primary server - this is the manufacturer’s Extron official website). If the download still fails to run, check whether your anti-virus software is not blocking the connection to the manufacturer server of the Extron SMX 400 Frame MultiMatrix Switcher Firmware 1.20 diver.