My AirPort Utility is showing that it's not connected to the internet. It has been working fine until now. I am connected and can't figure out why it's saying this. Please help!
Try resetting up the AirPort base station to see if it resolves the connectivity issue. Also make sure you are using the recommended settings to connect to the internet.
Resetting an AirPort base station FAQ
iOS and OS X: Recommended settings for Wi-Fi routers and access points
Retrieving data ...