"Bluetooth is not available" on every other restart

Hi people,

I got 5K 27 "iMac and restored on it backup Time Capsule of my MacBook in order to have two as identical as possible systems (iCloud + Dropbox do wonders). 10.11.4 running (15E65).

In any case, what happens is that iMac that Bluetooth died at reboot. It says "Bluetooth is not available. However, if I can connect a regular USB mouse and restart the computer once again, on this second start Bluetooth will be OK.

So, naturally, I disconnect the USB mouse and continue working with Bluetooth devices.

But then, if I restart the computer, new Bluetooth is not available. Again, I must plug the USB mouse just so I could control the mouse pointer and reboot once again. And here again, this second restart Bluetooth comes back online. And that's how permanently, I can reproduce the situation without a flaw. Reboot > Bluetooth dies > plug the USB mouse > reboot > Bluetooth is back.

What the *?

I tried SMC & PRAM reset, does not help.

I should try fresh reinstall OS? Because the only thing I can think is that I got the backup Time Capsule MBP is something strange to the system.

I have the same problem on the iMac even without the Time Capsule backup. I also tried a reset SMC/PRAM/Bluetooth.plist and will have no chance.

Tags: Mac

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