Merci, voilà ce que cela donne :
caroline@caroline-W51XTU:~$ uname -a; lspci -nnk | grep -iA3 net; lsusb; dmesg | grep -i bluetooth; dmesg | grep -i firmware; lsmod | grep bluetooth
Linux caroline-W51XTU 5.4.0-54-generic #60-Ubuntu SMP Fri Nov 6 10:37:59 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
01:00.2 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL810xE PCI Express Fast Ethernet controller [10ec:8136] (rev 06)
Subsystem: CLEVO/KAPOK Computer RTL810xE PCI Express Fast Ethernet controller [1558:5471]
Kernel driver in use: r8169
Kernel modules: r8169
02:00.0 Network controller [0280]: Intel Corporation Wireless 7260 [8086:08b1] (rev 73)
Subsystem: Intel Corporation Wireless-N 7260 [8086:4062]
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 007: ID 04f2:b43b Chicony Electronics Co., Ltd
Bus 001 Device 006: ID 058f:6254 Alcor Micro Corp. USB Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
[ 0.081185] Spectre V2 : Enabling Restricted Speculation for firmware calls
[ 9.236250] iwlwifi 0000:02:00.0: loaded firmware version 17.3216344376.0 op_mode iwlmvm
caroline@caroline-W51XTU:~$ 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 1:13.99.1-1ubuntu3.7 amd64 Bluetooth module for PulseAudio sound server
caroline@caroline-W51XTU:~$ rfkill list all
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
caroline@caroline-W51XTU:~$
caroline@caroline-W51XTU:~$ sudo service bluetooth status
[sudo] Mot de passe de caroline :
● bluetooth.service - Bluetooth service
Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled)
Active: inactive (dead)
Docs: man:bluetoothd(8)
nov. 21 10:46:08 caroline-W51XTU systemd[1]: Condition check resulted in Bluetooth service being skipped.
nov. 21 10:47:50 caroline-W51XTU systemd[1]: Condition check resulted in Bluetooth service being skipped.
nov. 21 10:48:21 caroline-W51XTU systemd[1]: Condition check resulted in Bluetooth service being skipped.
nov. 21 10:53:07 caroline-W51XTU systemd[1]: Condition check resulted in Bluetooth service being skipped.
nov. 21 11:02:21 caroline-W51XTU systemd[1]: Condition check resulted in Bluetooth service being skipped.
nov. 21 11:03:00 caroline-W51XTU systemd[1]: Condition check resulted in Bluetooth service being skipped.
caroline@caroline-W51XTU:~$
c'est grave docteur ?