Instructions
Select "Network Settings" within the "Settings" menu on your Sony PlayStation 3.
Highlight "Internet Connection Settings" and press the "X" button on your controller. Select "Yes."
Press "X" on "Easy." The PlayStation will automatically configure your connection if you are connected with an Ethernet cable. Select "Wireless" if you are using a wireless connection.
Select "Scan," and then select your router. Type in the password when prompted.
Press "X" to save your settings.