The process of downloading the AOpen Digital Engine DEX4501 Realtek HD Audio Driver R2.04 driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the AOpen Digital Engine DEX4501 Realtek HD Audio Driver R2.04 driver from the primary server - this is the manufacturer’s REALTEK 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 AOpen Digital Engine DEX4501 Realtek HD Audio Driver R2.04 diver.