The process of downloading the Gigabyte GA-Z77X-D3H (rev. 1.1) Atheros LAN Optimizer Utility 1.0.0.32 driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the Gigabyte GA-Z77X-D3H (rev. 1.1) Atheros LAN Optimizer Utility 1.0.0.32 driver from the primary server - this is the manufacturer’s Atheros 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 Gigabyte GA-Z77X-D3H (rev. 1.1) Atheros LAN Optimizer Utility 1.0.0.32 diver.