My bluetooth device has disconnected.

I'm not exactly sure when or how it happened, but one day I realized my bluetooth was no longer working. Everytime I try to open Bluetooth Explorer, I recieve a display box that reads "No Bluetooth Hardware Found"

I've tried resetting my SMC and PRAM yet nothing. The icon that was once a bluetooth symbol is now a phone recieve with some sort of serching for signal icon.

Someone please help me.