:If you've updated the Killer LAN driver from version 188.8.131.521 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 184.108.40.2066 or newer versions and press [Remove] then restart the system.
Step 5: Install the new Killer LAN driver and then restart the system.