Things You'll Need
Instructions
Plug the Ethernet cable from the Xbox 360 into your laptop.
Click "Start" and select "Connect To" and choose "Show All Connections."
Right-click "Wireless Network Connection" and select "Properties" followed by going under the "Advanced" tab.
Check the box next to "Allow other network users to connect through this computer's Internet connection."
Restart the Xbox and the Laptop. When it restarts, the Xbox will be able to use the laptop as a Wi-Fi adapter to play video games online, stream music and watch videos.