voici !
florian@maison:~$ uname -a; lspci -nnk | grep -iA2 net; lsusb; dmesg | grep -i bluetooth; dmesg | grep -i firmware; lsmod | grep bluetooth
Linux maison 4.13.0-38-generic #43-Ubuntu SMP Wed Mar 14 15:20:44 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
06:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 06)
Subsystem: Acer Incorporated [ALI] RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [1025:8000]
Kernel driver in use: r8169
Kernel modules: r8169
Bus 003 Device 002: ID 0bda:0158 Realtek Semiconductor Corp. USB 2.0 multicard reader
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 002: ID 03f0:0653 Hewlett-Packard
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 003: ID 046d:c51b Logitech, Inc. V220 Cordless Optical Mouse for Notebooks
Bus 004 Device 002: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
[ 19.437953] Bluetooth: Core ver 2.22
[ 19.438016] Bluetooth: HCI device and connection manager initialized
[ 19.438026] Bluetooth: HCI socket layer initialized
[ 19.438032] Bluetooth: L2CAP socket layer initialized
[ 19.438049] Bluetooth: SCO socket layer initialized
[ 23.875472] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 23.875477] Bluetooth: BNEP filters: protocol multicast
[ 23.875487] Bluetooth: BNEP socket layer initialized
[ 55.886571] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
[ 55.886589] Bluetooth: HIDP socket layer initialized
[ 55.918418] input: Bluetooth 3.0 Keyboard as /devices/pci0000:00/0000:00:12.0/usb4/4-1/4-1:1.0/bluetooth/hci0/hci0:71/0005:05AC:0239.0003/input/input9
[ 55.919595] apple 0005:05AC:0239.0003: input,hidraw2: BLUETOOTH HID v1.1b Keyboard [Bluetooth 3.0 Keyboard] on 00:1a:7d:da:71:13
[ 103.014852] Bluetooth: RFCOMM TTY layer initialized
[ 103.014872] Bluetooth: RFCOMM socket layer initialized
[ 103.014892] Bluetooth: RFCOMM ver 1.11
bluetooth 544768 44 btrtl,hidp,btintel,bnep,btbcm,rfcomm,btusb
ecdh_generic 24576 1 bluetooth
florian@maison:~$ sudo service bluetooth status
● bluetooth.service - Bluetooth service
Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled)
Active: active (running) since Thu 2018-04-19 09:57:05 CEST; 42min ago
Docs: man:bluetoothd(8)
Main PID: 526 (bluetoothd)
Status: "Running"
Tasks: 1 (limit: 4915)
CGroup: /system.slice/bluetooth.service
└─526 /usr/lib/bluetooth/bluetoothd
avril 19 09:57:05 maison systemd[1]: Starting Bluetooth service...
avril 19 09:57:05 maison bluetoothd[526]: Bluetooth daemon 5.46
avril 19 09:57:05 maison bluetoothd[526]: Starting SDP server
avril 19 09:57:05 maison systemd[1]: Started Bluetooth service.
avril 19 09:57:05 maison bluetoothd[526]: Bluetooth management interface 1.14 initialized
florian@maison:~$ dpkg -l | grep blue
ii blueman 2.0.4-1ubuntu3 amd64 Graphical bluetooth manager
ii bluez 5.46-0ubuntu3 amd64 Bluetooth tools and daemons
ii bluez-cups 5.46-0ubuntu3 amd64 Bluetooth printer driver for CUPS
ii bluez-obexd 5.46-0ubuntu3 amd64 bluez obex daemon
ii libbluetooth3:amd64 5.46-0ubuntu3 amd64 Library to use the BlueZ Linux Bluetooth stack
florian@maison:~$ rfkill list all
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
merci de ton aide