Things You'll Need
Instructions
Connecting the LAN Adapter
Turn the Wii console off.
Plug the Wii LAN adapter into one of the two USB ports on the back of the console.
Plug one end of the Ethernet cable into the LAN adapter. Plug the other end into your wired router or cable modem.
Turn on the Wii console.
Configuring the Internet Settings
Select the "Wii" icon in the bottom-left of the screen with the Wii remote.
Select "Wii Settings."
Navigate to the second screen of options and select "Internet."
Select "Connection Settings."
Select an open connection slot, indicated by the word "None" next to the connection number.
Select "Wired Connection."
Select "OK" to save your settings and initiate your connection.