Ihave recently installed windows 7 on a desk top system. I have a home network set up with 2 Windows Vista laptops and 1 XP laptop al of which can see each other and also get to the interne through my router.' On the Windows 7 system it cannot see the network nor cant see the internet even by iself . The windows 7 Pc has a connection Via cablefrom it tothe router. Any one please help this is very discouraging.