The process of downloading the Toshiba Satellite U400D ATI Graphics Driver 8.479 for Vista driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the Toshiba Satellite U400D ATI Graphics Driver 8.479 for Vista 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 Toshiba Satellite U400D ATI Graphics Driver 8.479 for Vista diver.