Things You'll Need
Instructions
Connect an Ethernet cable into the networking port on the rear of the PS3.
Plug the other end into the "Internet" port on the rear of the AT&T DSL modem or one of the "LAN" ports on your router.
Turn on your TV and the PS3. Highlight "Settings" in the PS3 screen that appears and press "X." Open the "Network Settings" option. Scroll to the "Internet Setting" entry and press "X." Highlight "Easy" and press "X."
Highlight the "Test Connection" option and press "X." The network information will appear on the screen if the connection is successful.