stessa cavolata, non so perchè ho due icone con il simbolo del bluetooth una mi dava acceso e l'altro no, ora sono sicuro che questi siano i risultati scusami sono un deficiente: ahmed@ahmed-AO722:~$ lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 002: ID 0402:9665 ALi Corp. Gateway Webcam
Bus 003 Device 002: ID 0d62:a100 Darfon Electronics Corp. Optical Mouse
Bus 004 Device 002: ID 0489:e03c Foxconn / Hon Hai
ahmed@ahmed-AO722:~$ dmesg | grep btusb
[ 1802.786651] usbcore: registered new interface driver btusb
ahmed@ahmed-AO722:~$ dmesg | grep Blue
[ 19.679124] Bluetooth: Core ver 2.16
[ 19.679182] Bluetooth: HCI device and connection manager initialized
[ 19.679189] Bluetooth: HCI socket layer initialized
[ 19.679194] Bluetooth: L2CAP socket layer initialized
[ 19.679206] Bluetooth: SCO socket layer initialized
[ 19.744124] Bluetooth: RFCOMM TTY layer initialized
[ 19.744137] Bluetooth: RFCOMM socket layer initialized
[ 19.744142] Bluetooth: RFCOMM ver 1.11
[ 19.953917] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 19.953925] Bluetooth: BNEP filters: protocol multicast
[ 1802.781175] Bluetooth: Generic Bluetooth USB driver ver 0.6
ahmed@ahmed-AO722:~$ hciconfig -a
hci0: Type: BR/EDR Bus: USB
BD Address: 60:D8:19:3B:A0:48 ACL MTU: 1022:8 SCO MTU: 183:5
UP RUNNING PSCAN ISCAN
RX bytes:856 acl:0 sco:0 events:37 errors:0
TX bytes:657 acl:0 sco:0 commands:37 errors:0
Features: 0xff 0xfe 0x0d 0xfe 0xd8 0x7f 0x7b 0x87
Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
Link policy: RSWITCH HOLD SNIFF
Link mode: SLAVE ACCEPT
Name: 'ahmed-AO722-0'
Class: 0x7e0100
Service Classes: Networking, Rendering, Capturing, Object Transfer, Audio, Telephony
Device Class: Computer, Uncategorized
HCI Version: 3.0 (0x5) Revision: 0x102
LMP Version: 4.0 (0x6) Subversion: 0x1
Manufacturer: Atheros Communications, Inc. (69)
ahmed@ahmed-AO722:~$ dpkg -l | grep blue
ii blueman 1.23-0ubuntu2 A Graphical bluetooth manager
ii bluetooth 4.98-2ubuntu7 Bluetooth support
ii bluewho 0.1-1 notifies new discovered bluetooth devices
ii bluez 4.98-2ubuntu7 Bluetooth tools and daemons
ii bluez-alsa 4.98-2ubuntu7 Bluetooth ALSA support
ii bluez-cups 4.98-2ubuntu7 Bluetooth printer driver for CUPS
ii bluez-gstreamer 4.98-2ubuntu7 Bluetooth GStreamer support
ii gir1.2-gnomebluetooth-1.0 3.2.2-0ubuntu5 Introspection data for GnomeBluetooth
ii gnome-bluetooth 3.2.2-0ubuntu5 GNOME Bluetooth tools
ii libbluetooth3 4.98-2ubuntu7 Library to use the BlueZ Linux Bluetooth stack
ii libgnome-bluetooth8 3.2.2-0ubuntu5 GNOME Bluetooth tools - support library
ii pulseaudio-module-bluetooth 1:1.1-0ubuntu15 Bluetooth module for PulseAudio sound server
ii python-bluez 0.18-1build2 Python wrappers around BlueZ for rapid bluetooth development
ahmed@ahmed-AO722:~$ rfkill list
0: acer-wireless: Wireless LAN
Soft blocked: no
Hard blocked: no
1: acer-bluetooth: Bluetooth
Soft blocked: no
Hard blocked: no
2: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
3: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
scusa

non sbaglio più