Things You'll Need
Instructions
Plug one end of the Ethernet cable into the Ethernet port on the back of your Xbox 360. The port is located next to the hard drive. Insert the other end of the cable into the Ethernet port on your personal computer or laptop.
Configure your Internet Sharing Properties so that your Xbox 360 console can connect to your home network. To do this, right-click on the Wireless Internet Connection icon in the taskbar at the bottom of your desktop. From the pull down menu, select "Properties." Within the Properties menu, click on the Advanced tab and look for the Internet Connection Sharing box. There will be a check box that says, ̶0;Allow other network users to connect through this computer̵7;s connection.̶1; Click the box to activate that setting.
Now you need to select the Wireless Internet Connection icon and repair your Ethernet connection. Look at the taskbar at the bottom of your desktop. Find the icon for the Ethernet cable and right-click it. Click on "Repair" from the options list. Your Xbox 360 console can now connect to Xbox Live using your computer as the router.