The process of downloading the Asrock CoreHT Nettop Realtek HD Audio Driver 2.51 driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the Asrock CoreHT Nettop Realtek HD Audio Driver 2.51 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 Asrock CoreHT Nettop Realtek HD Audio Driver 2.51 diver.