I couldn't think of a title so here goes:
I have 5 computers on the network. I have 2 computers with Windows 7 and 1 Vista on Ethernet. 2 computers wireless. One of the wirelesses (Vista laptop) can get on the Internet with Ethernet and can also get on wireless on someone else’s wireless network but not my wireless network but my XP wireless laptop can get on. The router works, all the computers work, Ethernet and wireless works. What could be the problem?