Cat Turned Off My Wifi How to Turn on Antenna

I have a Dell Inspiron 14z Ultrabook and  have been using a wireless network flawlessly till today. I was online and set my Laptop down to get something I had printed. When I got back I found my cat sitting on my Laptop keyboard, which I stupidly had not locked. I can not figure out how to enable my WiFi connection. On my old HP there was a switch on the front to turn it on or off but I cannot find one on my Dell. I tried the F2 key (which has the wifi antea on it) by it

self, with alt, and with ctrl but the wifi won't turn on. The network is there but I can't get the wifi enabled. I tried downloading How to