Bonjour xubu1957
Voici le retour des commandes dans terminal:
viki@viki-win:~$ uname -a; lspci -nnk | grep -iA2 net; lsusb; dmesg | grep -i bluetooth; dmesg | grep -i firmware; lsmod | grep bluetooth
Linux viki-win 4.13.0-38-generic #43~16.04.1-Ubuntu SMP Wed Mar 14 17:48:43 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
05:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 06)
Subsystem: ASUSTeK Computer Inc. P8P67 and other motherboards [1043:8432]
Kernel driver in use: r8169
Bus 002 Device 007: ID 0b05:179c ASUSTek Computer, Inc.
Bus 002 Device 005: ID 06a3:0255 Saitek PLC X52 Flight Controller
Bus 002 Device 006: ID 0dc6:5022 Precision Squared Technology Corp.
Bus 002 Device 004: ID 0dc6:5000 Precision Squared Technology Corp.
Bus 002 Device 003: ID 046d:c043 Logitech, Inc. MX320/MX400 Laser Mouse
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 005 Device 004: ID 0ac8:305b Z-Star Microelectronics Corp. ZC0305 Webcam
Bus 005 Device 005: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 005 Device 003: ID 0409:0059 NEC Corp. HighSpeed Hub
Bus 005 Device 002: ID 0409:0059 NEC Corp. HighSpeed Hub
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
[ 13.201697] Bluetooth: Core ver 2.22
[ 13.201708] Bluetooth: HCI device and connection manager initialized
[ 13.201711] Bluetooth: HCI socket layer initialized
[ 13.201712] Bluetooth: L2CAP socket layer initialized
[ 13.201716] Bluetooth: SCO socket layer initialized
[ 16.728539] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 16.728540] Bluetooth: BNEP filters: protocol multicast
[ 16.728543] Bluetooth: BNEP socket layer initialized
[ 26.166676] Bluetooth: RFCOMM TTY layer initialized
[ 26.166685] Bluetooth: RFCOMM socket layer initialized
[ 26.166694] Bluetooth: RFCOMM ver 1.11
bluetooth 548864 31 btrtl,btintel,bnep,btbcm,rfcomm,btusb
ecdh_generic 24576 1 bluetooth
viki@viki-win:~$ dpkg -l | grep blue
ii bluez 5.37-0ubuntu5.2 amd64 Bluetooth tools and daemons
ii bluez-cups 5.37-0ubuntu5.2 amd64 Bluetooth printer driver for CUPS
ii bluez-obexd 5.37-0ubuntu5.2 amd64 bluez obex daemon
ii gnome-bluetooth 3.18.2-1ubuntu2 amd64 GNOME Bluetooth tools
ii indicator-bluetooth 0.0.6+16.04.20160526-0ubuntu1 amd64 System bluetooth indicator.
ii libbluetooth3:amd64 5.37-0ubuntu5.2 amd64 Library to use the BlueZ Linux Bluetooth stack
ii libgnome-bluetooth13:amd64 3.18.2-1ubuntu2 amd64 GNOME Bluetooth tools - support library
ii pulseaudio-module-bluetooth 1:8.0-0ubuntu3.8 amd64 Bluetooth module for PulseAudio sound server
viki@viki-win:~$ rfkill list all
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
viki@viki-win:~$
Désolé du retard. Enfin, je confirme que le clavier bluetooth n'est utilisable que pour le login de session sous Ubuntu. Obligé de me servir d'un clavier filaire de secours.