Hope someone can help. This is my home network. I have 3 computers. Computer A is an hp with xp on it. Comp B is a dell with xp. Comp C is a dell laptop with xp pro on it. Comcast internet going to a linksys wireless router. From the router hardwired to comp A and to a second linksys router switch. From the router switch hardwired to comp B and a wireless access point. There is no problem with internet connection on comp A & B. The problem is when I turn on my laptop, Comp C and it finds the wireless access point, comp B loses its internet connection. I can still see and access files from comp B to comp A or C but no internet connection. I can also access the internet with comp A when I turn on comp C. Now when I access the wireless router with comp C, I lose all connections to the internet. When I shutdown comp C, it takes about 10 min to get my internet back up. I hope someone understands this and can help. Thanks