Bluetooth not available march 2018
I did my utter best for three months now and the 'Bluetooth not available' message is still there. (Desktop iMac 27", osx 10.13.3). There is not a single thing i did not try at least 12 times and still suddenly Bluetooth is greyed out on top of menu, and missing in the System Preferences.
What can be wrong? I use the mighty mouse all day long for years now, never had any problems with this. But since the 10.13.1 'upgrade' it started to make problems.
Any help would be absolutely appreciated. Thanks a lot for any working suggestions.
Best, Hans
iMac, macOS High Sierra (10.13.3)