Bonjour, merci pour ta réponse, je t'envoie ça :
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04.7 LTS"
>> lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 8087:0a2b Intel Corp.
Bus 001 Device 003: ID 0408:1020 Quanta Computer, Inc.
Bus 001 Device 007: ID 04e8:6863 Samsung Electronics Co., Ltd GT-I9500 [Galaxy S4] / GT-I9250 [Galaxy Nexus] (network tethering)
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
01:00.0 Network controller [0280]: Intel Corporation Wireless 8265 / 8275 [8086:24fd] (rev 78)
Subsystem: Intel Corporation Device [8086:1014]
>> sudo lshw -C network
*-network NON-RÉCLAMÉ
description: Network controller
produit: Wireless 8265 / 8275
fabriquant: Intel Corporation
identifiant matériel: 0
information bus: pci@0000:01:00.0
version: 78
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress cap_list
configuration: latency=0
ressources: mémoire:a1000000-a1001fff
*-network
description: Ethernet interface
identifiant matériel: 2
nom logique: enp0s20f0u3
numéro de série: 02:2b:0c:69:74:05
fonctionnalités: ethernet physical
configuration: broadcast=yes driver=rndis_host driverversion=22-Aug-2005 firmware=RNDIS device ip=192.168.42.139 link=yes multicast=yes
>> lsmod | sort
ablk_helper 16384 1 aesni_intel
acpi_pad 24576 0
acpi_thermal_rel 16384 1 int3400_thermal
aesni_intel 167936 0
aes_x86_64 20480 1 aesni_intel
ahci 40960 3
autofs4 40960 2
bluetooth 512000 29 bnep,btbcm,btrtl,btusb,rfcomm,btintel
bnep 20480 2
btbcm 16384 1 btusb
btintel 16384 1 btusb
btrtl 16384 1 btusb
btusb 45056 0
cdc_ether 16384 1 rndis_host
coretemp 16384 0
crc32_pclmul 16384 0
crct10dif_pclmul 16384 0
cryptd 20480 3 ghash_clmulni_intel,aesni_intel,ablk_helper
drm 364544 13 i915_bpo,drm_kms_helper
drm_kms_helper 155648 1 i915_bpo
ecdh_generic 24576 1 bluetooth
fb_sys_fops 16384 1 drm_kms_helper
fjes 28672 0
gf128mul 16384 1 lrw
ghash_clmulni_intel 16384 0
glue_helper 16384 1 aesni_intel
hid 118784 2 i2c_hid,hid_multitouch
hid_multitouch 20480 0
i2c_algo_bit 16384 1 i915_bpo
i2c_designware_core 20480 1 i2c_designware_platform
i2c_designware_platform 16384 0
i2c_hid 20480 0
i915_bpo 1347584 12
idma64 20480 0
input_leds 16384 0
int3400_thermal 16384 0
int3403_thermal 16384 0
int340x_thermal_zone 16384 2 processor_thermal_device,int3403_thermal
intel_ips 20480 1 i915_bpo
intel_lpss 16384 1 intel_lpss_pci
intel_lpss_pci 16384 0
intel_powerclamp 16384 0
intel_rapl 20480 0
intel_soc_dts_iosf 16384 1 processor_thermal_device
irqbypass 16384 1 kvm
joydev 20480 0
kvm 561152 1 kvm_intel
kvm_intel 180224 0
libahci 32768 1 ahci
lp 20480 0
lrw 16384 1 aesni_intel
mac_hid 16384 0
media 24576 2 uvcvideo,videodev
mei 98304 1 mei_me
mei_me 36864 0
mii 16384 1 usbnet
Module Size Used by
parport 49152 3 lp,ppdev,parport_pc
parport_pc 32768 0
pinctrl_intel 20480 2 pinctrl_sunrisepoint
pinctrl_sunrisepoint 28672 0
ppdev 20480 0
processor_thermal_device 16384 0
psmouse 131072 0
rfcomm 69632 2
rndis_host 16384 0
serio_raw 16384 0
shpchp 36864 0
snd 86016 20 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_seq_device
snd_hda_codec 135168 4 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel
snd_hda_codec_generic 77824 1 snd_hda_codec_realtek
snd_hda_codec_hdmi 53248 1
snd_hda_codec_realtek 94208 1
snd_hda_core 77824 5 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel
snd_hda_intel 40960 5
snd_hwdep 16384 1 snd_hda_codec
snd_pcm 106496 5 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_hda_core
snd_rawmidi 32768 1 snd_seq_midi
snd_seq 69632 2 snd_seq_midi_event,snd_seq_midi
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_timer 32768 2 snd_pcm,snd_seq
soundcore 16384 1 snd
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
usbnet 45056 2 rndis_host,cdc_ether
uvcvideo 90112 0
v4l2_common 16384 1 videobuf2_v4l2
video 40960 1 i915_bpo
videobuf2_core 36864 2 uvcvideo,videobuf2_v4l2
videobuf2_memops 16384 1 videobuf2_vmalloc
videobuf2_v4l2 28672 1 uvcvideo
videobuf2_vmalloc 16384 1 uvcvideo
videodev 180224 4 uvcvideo,v4l2_common,videobuf2_core,videobuf2_v4l2
virt_dma 16384 1 idma64
wmi 20480 0
x86_pkg_temp_thermal 16384 0
>> iwconfig
>> ifconfig -a
enp0s20f0u3 Link encap:Ethernet HWaddr 02:2b:0c:69:74:05
inet adr:192.168.42.139 Bcast:192.168.42.255 Masque:255.255.255.0
adr inet6: fe80::f518:86f1:b3d9:f82b/64 Scope:Lien
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Packets reçus:291507 erreurs:3 :0 overruns:0 frame:3
TX packets:187470 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:421658797 (421.6 MB) Octets transmis:24704566 (24.7 MB)
lo Link encap:Boucle locale
inet adr:127.0.0.1 Masque:255.0.0.0
adr inet6: ::1/128 Scope:Hôte
UP LOOPBACK RUNNING MTU:65536 Metric:1
Packets reçus:2587 erreurs:0 :0 overruns:0 frame:0
TX packets:2587 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1
Octets reçus:221634 (221.6 KB) Octets transmis:221634 (221.6 KB)
>> sudo iwlist scan
>> uname -r -m
4.4.0-190-generic x86_64
>> cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
>> nm-tool
>> nmcli dev wifi
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NOM UUID TYPE PÉRIPHÉRIQUE
Connexion filaire 1 2c4912f2-f020-318f-8f59-7236aca55a02 802-3-ethernet enp0s20f0u3
>> nmcli connection status
>> sudo rfkill list
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no