To connect both the Xbox and computer to the internet you need to have X-box Live compatible router. Router will share your internet connection so that your computer and Xbox use the internet connection at the same time. To connect Xbox to your network, connect it to your TV.

1. Unplug the network cable from the back of your computer and plug it into the port WAN, Internet or WLAN on the back of your router.
2. If your computer is not currently connected to the internet, plug one end of the cable into the Modem and the other end of the cable into the WAN, Internet or WLAN port of your wireless router.
3. Plug in your router, after a minute or two the WLAN, WAN or internet light on your router should be turned on.

4. Plug your computer’s network cable into the router.
5. Turn off your Xbox 360. Connect it to the internet by plugging one end of the network cable included with Xbox 360 into the router and the one end into the I/O port at the back of the Xbox 360.
6. Start your Xbox 360 and start your gamer profile. You can enjoy both Xbox 360 and Xbox live play.