Solution to MacBook Pro connects to AirPort/Wi-Fi but can't access internet.

My brand new MacBook Pro will connect to my wireless network, but can NOT access the Internet. Other computers on the same wireless network can connect to the Internet.

I had tried the standard rebooting of the computer as well as removing then adding the specific wireless network again, via System Preferences>>Network >> Advanced Settings. Neither helped.

The solution was to completely remove the Airport/Wi-Fi interface and then add it again. As follows:

Subscribe to AirPort