Hi all, Ok I'm extremely new to the mac. I just purchased the iMac 24" this weekend 3/27/09. I was told by the sales rep that I can run the wireless internet to PC from the Airport app that the iMac comes with.[ network sharing]??? Well, I got it set up and it shows up on my PC, the PC sees it I just can't connect to the internet. Does anybody know how or what I need to do to get this going right??? The set up is Cable Modem/ hard line router. To my Xbox/ iMac/ PC desktop/ and I wan't to run the Sharing from the iMac to provide the internet to my PC laptop. Thanks in advance for you help.