I applied the last updated El Capitan today and bluetooth lost on my iMac.  Go to system preferences and grayed out-of-network.  Any ideas?

The iMac was fine before the update (a more recent to El Capitan.  No option in system preferences, on the bluetooth menu in menu bar "bluetooth is not available' is the message.  I wish the Bluetooth keyboard and magic mouse.  On the keyboard battery power is 99% and 83% on the mouse. Thank you.

Try resetting the SMC reset management system (SCM) controller on your Mac - Apple Support

Tags: Mac

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