Things You'll Need
Instructions
Open the Start Menu on your PC and click "Control Panel."
Go to the "Network and Internet" category and click the "Network and Sharing Center" icon.
Click the "Manage network connections" link on the left side of the window.
Right-click the icon for the network connection you want to share with your PS3 and choose "Properties" from the context menu that appears.
Go to the "Sharing" tab at the top of the window, check the box next to "Allow other network users to connect through this computer̵7;s Internet connection" and then click "OK" to save the settings.
Plug one end of the Ethernet cable into your PC and the other end into the network port on the back of your PS3 console.
Turn on your PS3, navigate to the "Settings" menu and choose "Network Settings."
Press the "X" button on your PS3 controller to begin the setup process and then choose the "Easy" option.
Highlight the "Wired Connection" option and press the "X" button to connect to the local network you created from your PC.