Things You'll Need
Instructions
Access the rear of the 360 console. Locate the power supply port on the lower left side of the back panel.
Plug the square-shaped connector attached to the power supply block to the port on the back of the Xbox 360. Orient the connector so that the angled corners match up.
Plug the detachable power lead to the other end of the power supply block. Connect the pronged end to the AC outlet.