Bluetooth is disconnected and there is no option in the preferences to reactivate

I have an iMac early 2009 with el capitan.  Bluetooth worked normally and then quit.  There is no option in the preferences to reconnect.  no option to turn on or off.  How he set it up again?

A reset on a SMC:

Reset the management system (SCM) controller on your Mac - Apple Support

Bluetooth in the SystemPreferences Panel looks like this:

If it is not after resetting the SMC, do a screen shot and post it here.

Tags: Mac

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