The process of downloading the Dell XPS 420 AMD Radeon HD4670 512MB DDR3 (Dual DVI) Driver A00 driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the Dell XPS 420 AMD Radeon HD4670 512MB DDR3 (Dual DVI) Driver A00 driver from the primary server - this is the manufacturer’s ATI 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 Dell XPS 420 AMD Radeon HD4670 512MB DDR3 (Dual DVI) Driver A00 diver.