Bluetooth doesn't turn on / Artful 17.10 / Asus K550V

Hi everybody. rfkill are enabled. bueman, bluez, bluetooth adaptors and so on are updated and I try to reinstall. My two Added Drivers (in software and updates) of Invidia and intel … I try to add and remove to see the consequences but nothing happens. No errors in PCIe bus when I boot my s.o.

Someone could tell me why when I tell Bluetooth turn on, nothing happens? Bluetoth manager see my phone and other devices, pairing works but connections fail. The icon of bluetooth on my desktop is alwaus turn off and is not possible to turn on.

Thanks to everybody
Enrico (Udine, Italy)