goto network connections, right click on your wired connection, goto properties, click on the advanced tab, go into the internet connection sharing section, then check the box thats says to "allow other computers to connect to the internet using this computer's internet connection". go back to network connections and enter the properties of your wireless nic, click the wireless network tab, click the add button, setup the ssid that you want to use and what encryptions you'd like if any, then check the box that says this is a computer-computer ad-hoc network. this is how you would use your computer to share an internet connection with the ps3 but unfortunately this solution doesnt work me, maybe itll work for you though. i done believe the ps3 works in ad-hoc mode with a pc, it will only connect via a wireless access point.