Assigned a password to my home wifi, cannot connect to it on my macbook So. Assigned the password to my network. First time it worked great. But  then, I had to resset the router. After that, I went and assigned the password again, but this time, when I try to connect to the network, it won't even ask for the password and won't connect at all!

Does anyone know what the hell is the problem?

(Using macbook air, running osx lion)

Also, tried resetting the router countless times. Did absolutely nothing.

Also, iphone connects and works with the router just fine.
You have to do the Unlock first (click on the lock icon and type your password), on the Network screen before going to Advanced tab, once in advanced click on the network and hit (-) sign.