Things You'll Need
Instructions
Turn on the console and open the "Dashboard" menu.
Scroll to "My Xbox." Press "RB" twice to highlight "System Settings." Open it.
Open "Network Settings" and choose "Configure Network." A new configuration menu appears.
Open the "Basic Settings" tab by scrolling right or left.
Choose "Wireless Mode." A list of wireless options appears; choose "Scan for networks." The Xbox finds wireless networks and shows a list after a few seconds. Choose the network you want to connect to from the list.
Enter the security password for the router and press "Start."
Press "B" until the "Network Settings" menu reappears. Choose "Test Xbox LIVE connection." The Xbox will connect wirelessly to the Internet.