Things You'll Need
Instructions
Connecting to Modem
Turn off your Xbox and modem.
Plug one end of the Ethernet cable into the back of your Xbox or Xbox 360. Plug the other end of the Ethernet cable into the modem.
Turn on your modem.
Turn on your console and put an Xbox Live-compatible game disc into the disc tray.
Navigate to your game's Xbox Live menu. This usually is accessible from the game's main menu.