I have a linkysys cable modem and a netgear wireless modem hooked up to my computer downstairs(Running Xp). Upstairs I have a laptop with wifi(Running Vista). All day I can have working internet on my downstairs computer unless I go use wifi on my laptop. I go use my laptop for around 10 minutes and then i get "This connection has limited or no connectivity" on both computers. What I do is unplug and then replug the modems, and everything is back to normal until I go use wifi on my laptop again! It's very annoying does anyone know a fix to this problem? Thanks for any help Also...I would like to add that it seems like everytime one computer watches a video, this problem occurs.