I recently (two weeks ago) got wireless internet for my house and just started having problems today. When I go to connect to the Wireless, it lets me, but then the airport icon in the bar will flash full bars, and then no bars and off and on. The problem is with the computer, because I can access the internet from a different computer just fine. Why is it doing this and how can I fix it? I have (seemingly) tried everything! Please help!