The process of downloading the Leadtek Duo PX6600GT Extreme 77.77 driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the Leadtek Duo PX6600GT Extreme 77.77 driver from the primary server - this is the manufacturer’s Leadtek 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 Leadtek Duo PX6600GT Extreme 77.77 diver.