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With more products and services, Apple is making more and more use of Bluetooth, which is a good communication channel in itself, but it often causes more trouble than joy for users on the Mac. If your Bluetooth isn't working as you'd like, hard resetting it might help.

To the so-called hardcore reset pointed out magazine Mac Kung Fu, according to which you should resort to the following steps when you have already exhausted all traditional solutions such as restarting the device, turning Bluetooth on/off, etc.

The following instructions will allow you to factory reset the Bluetooth system, which means, among other things, it will remove all paired devices. So if you use a Bluetooth keyboard or mouse, you need to reach for the built-in keyboards or trackpads or connect them via USB to reset the Bluetooth.

  1. Hold Shift+Alt (⎇) and click the Bluetooth icon in the top menu bar.
  2. Select in the menu Tuning (Debug) > Remove all devices (Remove All Devices). At that moment, all paired devices will stop working.
  3. Select again in the same menu Tuning (Debug) > Reset the Bluetooth module (Reset the Bluetooth Module).
  4. Restarts the Mac. Once your Mac restarts, add your Bluetooth devices as if you were setting up a new computer.

Next to the hardcore reset Bluetooth magazine Mac Kung Fu still recommended to consider in case of Bluetooth problems resetting the SMC (system management controller).

Source: Mac Kung Fu
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