hi, i have an ibook and a powerbook g4. both worked fine wirelessly connected to airport extreme. I did some fiddling to get my 360 to work. Now, my ibook is still connected to the network fine but my powerbook has gone wonky. its saying internet sharing is on in internet connect but off in sharing!. im off ill today so my mind is a bit funny, my settings are all over the place and it cant find the network. can anyone help!! please!! hopefully, paul.