Bluetooth no longer works after update to OSX 10.11.2

After the 10.11.2, update Bluetooth stopped working. I rebooted without effect. I have the Bluetooth icon with the tilde by stating that there is no Bluetooth and I have no Bluetooth menu in system preferences. What should I do to fix this?

I solved it. I stopped and unplugged all the USB devices for two minutes. I plugged into the keyboard and restarted and reset the NV - RAM (now command, option, p and r). Upon restart, Bluetooth was working again.

Tags: Peripherals

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