Things You'll Need
Instructions
Connect one end of your crossover Ethernet cable to the Ethernet port on the PS3. Connect the other end of the cable to the Ethernet port on your laptop.
Click "Start" on the laptop and then select "Control Panel."
Double-click "Network and Internet," and then select "Network and Sharing Center."
Choose "Manage network connections" from the list of available options.
Right-click your wireless Internet connection and select "Properties."
Navigate to the "Sharing" tab. Click the check box labeled "Allow other network users to connect through this computer's Internet connection."
Turn on your PS3 and connect to the Internet, either through a game or by accessing an item from the Home menu that requires an Internet connection.