The process of downloading the Razer DeathAdder 3.5G Black Edition Mouse Firmware 1.01 driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the Razer DeathAdder 3.5G Black Edition Mouse Firmware 1.01 driver from the primary server - this is the manufacturer’s Razer 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 Razer DeathAdder 3.5G Black Edition Mouse Firmware 1.01 diver.