The bluetooth functions may not work correctly after upgrading to the new MacOS Mojave. How to Fix?
Solution1: Reset your Mac’s Bluetooth Module
Click on the Bluetooth symbol in the top-right corner while you keep holding both Shift and Option (Alt) buttons. You may need to make the bluetooth symbol visible first in System Preferences -> Bluetooth.
You will easily to click on Reset the Bluetooth module under Debug submenu. After all, reset your Mac and the Bluetooth functions must work well again under MacOS Mojave.
Solution 2: Remove Your Mac’s Bluetooth potentially corrupted files
There are 2 files that we should delete.
The first file: com.apple.Bluetooth.plist
- Click on “Go” on the menu bar and go to “Go to Folder…”, then Type “/Library/Preferences” in the “Go to Folder” Window then click on Go button.
- In the “Preferences” folder , find and delete the com.apple.Bluetooth.plist file.
The second file: com.apple.Bluetooth.xxxxxxxx
- From the Go to Folder window, type “/Library/Preferences” and then click on the blue “Go” button.
- Find and remove the com.apple.Bluetooth.xxxxxxxxx file
After all, Reboot the Mac.
Solution3: Reset Bluetooth mac using Terminal
If bluetooth is not working correctly on the new MacOS Mojave, that reset bluetooth function would help:
Terminal (Found in Applications/Utilities), enter the following command lines one by one. Your administrator password, which is used to login to your Mac may be required.
sudo kextunload -b com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport
sudo kextload -b com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport