okay j'essai
quenet@quenet:~$ uname -a; lspci -nnk | grep -iA3 net; lsusb; dmesg | grep -i bluetooth; dmesg | grep -i firmware; lsmod | grep bluetooth
Linux quenet 5.4.0-64-generic #72-Ubuntu SMP Fri Jan 15 10:27:54 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
00:19.0 Ethernet controller [0200]: Intel Corporation Ethernet Connection I217-V [8086:153b] (rev 05)
DeviceName: Onboard LAN
Subsystem: ASUSTeK Computer Inc. Ethernet Connection I217-V [1043:859f]
Kernel modules: e1000e
00:1a.0 USB controller [0c03]: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #2 [8086:8c2d] (rev 05)
Subsystem: ASUSTeK Computer Inc. 8 Series/C220 Series Chipset Family USB EHCI [1043:8534]
--
03:00.0 Network controller [0280]: Qualcomm Atheros AR9462 Wireless Network Adapter [168c:0034] (rev 01)
Subsystem: ASUSTeK Computer Inc. AR9462 Wireless Network Adapter [1043:850e]
Kernel driver in use: ath9k
Kernel modules: ath9k
04:00.0 SATA controller [0106]: ASMedia Technology Inc. ASM1062 Serial ATA Controller [1b21:0612] (rev 01)
--
05:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 06)
Subsystem: TP-LINK Technologies Co., Ltd. TG-3468 Gigabit PCI Express Network Adapter [7470:3468]
Kernel driver in use: r8169
Kernel modules: r8169
Bus 002 Device 002: ID 8087:8000 Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8008 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 002: ID 174c:3074 ASMedia Technology Inc. ASM1074 SuperSpeed hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 005: ID 046d:c52f Logitech, Inc. Unifying Receiver
Bus 003 Device 003: ID 0b05:17d0 ASUSTek Computer, Inc.
Bus 003 Device 004: ID 0603:00f2 Novatek Microelectronics Corp. Keyboard (Labtec Ultra Flat Keyboard)
Bus 003 Device 002: ID 174c:2074 ASMedia Technology Inc. ASM1074 High-Speed hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
[ 3.700672] Bluetooth: Core ver 2.22
[ 3.700682] Bluetooth: HCI device and connection manager initialized
[ 3.700685] Bluetooth: HCI socket layer initialized
[ 3.700687] Bluetooth: L2CAP socket layer initialized
[ 3.700688] Bluetooth: SCO socket layer initialized
[ 4.589477] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 4.589478] Bluetooth: BNEP filters: protocol multicast
[ 4.589481] Bluetooth: BNEP socket layer initialized
[ 6.645272] Bluetooth: RFCOMM TTY layer initialized
[ 6.645278] Bluetooth: RFCOMM socket layer initialized
[ 6.645281] Bluetooth: RFCOMM ver 1.11
[ 7262.060587] Bluetooth: hci0: urb 000000000732abc4 failed to resubmit (2)
[ 0.115177] Spectre V2 : Enabling Restricted Speculation for firmware calls
[ 0.136861] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
[ 0.539815] [drm] Found UVD firmware Version: 1.130 Family ID: 16
[ 0.540426] [drm] Found VCE firmware Version: 53.26 Binary ID: 3
bluetooth 548864 32 btrtl,btintel,btbcm,bnep,ath3k,btusb,rfcomm
ecdh_generic 16384 2 bluetooth
quenet@quenet:~$
quenet@quenet:~$ dpkg -l | grep blue
ii blueman 2.1.2-1ubuntu0.2 amd64 Graphical bluetooth manager
ii bluez 5.53-0ubuntu3 amd64 Bluetooth tools and daemons
ii bluez-cups 5.53-0ubuntu3 amd64 Bluetooth printer driver for CUPS
ii bluez-obexd 5.53-0ubuntu3 amd64 bluez obex daemon
ii libbluetooth3:amd64 5.53-0ubuntu3 amd64 Library to use the BlueZ Linux Bluetooth stack
ii pulseaudio-module-bluetooth 1:13.99.1-1ubuntu3.8 amd64 Bluetooth module for PulseAudio sound server
quenet@quenet:~$
quenet@quenet:~$ sudo rfkill list all
[sudo] Mot de passe de quenet :
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
2: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
quenet@quenet:~$
quenet@quenet:~$ sudo service bluetooth status
● bluetooth.service - Bluetooth service
Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled)
Active: active (running) since Sat 2021-01-30 15:58:56 CET; 49min ago
Docs: man:bluetoothd(8)
Main PID: 5626 (bluetoothd)
Status: "Running"
Tasks: 1 (limit: 19036)
Memory: 872.0K
CGroup: /system.slice/bluetooth.service
└─5626 /usr/lib/bluetooth/bluetoothd
jan 30 15:58:56 quenet systemd[1]: Starting Bluetooth service...
jan 30 15:58:56 quenet bluetoothd[5626]: Bluetooth daemon 5.53
jan 30 15:58:56 quenet systemd[1]: Started Bluetooth service.
jan 30 15:58:56 quenet bluetoothd[5626]: Starting SDP server
jan 30 15:58:56 quenet bluetoothd[5626]: Bluetooth management interface 1.14 initialized
jan 30 15:58:56 quenet bluetoothd[5626]: Endpoint registered: sender=:1.42 path=/MediaEndpoint/A2DPSink/sbc
jan 30 15:58:56 quenet bluetoothd[5626]: Endpoint registered: sender=:1.42 path=/MediaEndpoint/A2DPSource/sbc
quenet@quenet:~$
ca fait beaucoup d'info. Merci d'avance de donner un peu de temps pour moi