that little fn key sure does have a lot of uses... Some laptops are set up to shut down wireless using that key and a modifier, like maybe the 2 key. And if One uses the Ctrl key a lot, and is clumsy fingered, and doesn't realize....the poor gal running the network can sure have an afternoon of grief.... until she learns to read the manual, or looks at the itsy bitsy teeny weeny symbol, in blue, on black keys, that resembles an antenna.....