hi guts i have installed w7 on a number of pc,s on my home network , my pc installed the software with no problems on to my pc (w7) and on my daughters (xp) ok when i load it onto my sons (w7) it seems to load on ok but it fails to find my ssid which is broadcast I'm on wpa security and it wont play ball iv downloaded the latest software from Microsoft and stil it wont find it, iv changed to adifferent dongle and am at aloss as to why it wont work on this pc any advice guys ?