Typically this will be in /Macintosh HD/Library/Preferences. If you changed the name of your
startup drive, then the first part of the pathname above will be that [Name]; for example,
[Name]/Library/Preferences.
4. With the Preferences folder open in the Finder, look for the file called
com.apple.Bluetooth.plist. This is your Bluetooth Preference List. This file could be corrupted
and cause problems with your Logitech Bluetooth device.
5. Select the com.apple.Bluetooth.plist file and drag it to the desktop.
NOTE:
This will create a backup file on your desktop if you ever want to go back to the original
setup. At any point, you can drag this file back to the Preferences folder.