The process of downloading the Toshiba Satellite C55DT-A ATI HDMI Audio Driver 9.0.0.9902_130808a for Windows 8.1 64-bit 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 C55DT-A ATI HDMI Audio Driver 9.0.0.9902_130808a for Windows 8.1 64-bit 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 C55DT-A ATI HDMI Audio Driver 9.0.0.9902_130808a for Windows 8.1 64-bit diver.