How to fix wireless internet connection?

From your description, it seems the physical connections are fine, im also guessing you're running windows, probably windows 7.If so go to network and sharing center, right cick the unidentified network and set it as home or work. ALso, restart your hub if you have one. and try to delete the connection settings your have on your pc. If your on windows 7 this should all be self explanatory,even vista. if you're on the ancient xp then you'll have to bash through it. Google is your friend, if all this doesnt help, try using google