Question: After I've upgraded the Killer LAN driver from ver: 220.127.116.111 to ver: 18.104.22.1686 under Windows 10, the LAN port doesn't work. How do I fix this?(8/1/2015) Answer: If you've updated the Killer LAN driver from version 22.214.171.1241 to newer versions under Windows 10 x86/x64, it might cause the LAN driver to malfunction. Please follow the steps below to fix this problem.
Step 1: Open Device Manager and uninstall the Killer LAN driver.
Step 2: Select the checkbox and press [OK].
Step 3: Scan for hardware changes.
Step 4: Execute the new Killer LAN driver 126.96.36.1996 or newer versions and press [Remove] then restart the system.
Step 5: Install the new Killer LAN driver and then restart the system.