Things You'll Need
Instructions
Turn the Wii off. Attach the Wii LAN Adapter to the USB port on the back of the Wii.
Connect one end of the Ethernet cable to the Ethernet port on the Wii LAN Adapter and the opposite end to your Internet modem, router or hub.
Turn the Wii on. After the Wii Channel menu loads, select the "Wii" icon at the bottom left of the screen and choose "Wii Settings" to access the Wii Settings menu.
Select the arrow on the right side of the screen to get to the second list of options in the Wii Settings menu. Select "Internet," "Connection Settings" and finally "Connection 1."
Select "Wired Connection" and then confirm that you want to initiate a system test. The Wii will begin testing your Internet connection. Once complete, your Wii will be connected.