Merci pour votre réponse,
Le résultat du wificheck:
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04 LTS"
>> lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 8087:07dc Intel Corp.
Bus 001 Device 003: ID 046a:b091 Cherry GmbH
Bus 001 Device 002: ID 046a:b090 Cherry GmbH
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 7260 [8086:08b1] (rev bb)
Subsystem: Intel Corporation Dual Band Wireless-AC 7260 [8086:4470]
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 11)
Subsystem: ASRock Incorporation Motherboard (one of many) [1849:8168]
Kernel driver in use: r8169
Kernel modules: r8169
>> sudo lshw -C network
*-network
description: Interface réseau sans fil
produit: Wireless 7260
fabriquant: Intel Corporation
identifiant matériel: 0
information bus: pci@0000:01:00.0
nom logique: wlp1s0
version: bb
numéro de série: d8:fc:93:af:96:aa
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=4.15.0-22-generic firmware=17.948900127.0 latency=0 link=no multicast=yes wireless=IEEE 802.11
ressources: irq:123 mémoire:91300000-91301fff
*-network
description: Ethernet interface
produit: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:02:00.0
nom logique: enp2s0
version: 11
numéro de série: 78:f2:9e:90:d5:c3
taille: 100Mbit/s
capacité: 1Gbit/s
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl8168g-2_0.0.1 02/06/13 ip=192.168.1.54 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
ressources: irq:119 portE/S:e000(taille=256) mémoire:91204000-91204fff mémoire:91200000-91203fff
>> lsmod
Module Size Used by
rfcomm 77824 16
cmac 16384 1
bnep 20480 2
intel_rapl 20480 0
intel_powerclamp 16384 0
coretemp 16384 0
snd_hda_codec_hdmi 49152 1
kvm_intel 204800 0
arc4 16384 2
kvm 593920 1 kvm_intel
snd_hda_codec_realtek 102400 1
snd_hda_codec_generic 73728 1 snd_hda_codec_realtek
irqbypass 16384 1 kvm
iwlmvm 364544 0
punit_atom_debug 16384 0
mac80211 778240 1 iwlmvm
snd_hda_intel 40960 3
crct10dif_pclmul 16384 0
crc32_pclmul 16384 0
ghash_clmulni_intel 16384 0
input_leds 16384 0
iwlwifi 278528 1 iwlmvm
pcbc 16384 0
snd_hda_codec 126976 4 snd_hda_intel,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec_realtek
hci_uart 106496 0
cfg80211 622592 3 iwlmvm,iwlwifi,mac80211
btusb 45056 0
snd_hda_core 81920 5 snd_hda_intel,snd_hda_codec,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec_realtek
btqca 16384 1 hci_uart
btrtl 16384 1 btusb
snd_hwdep 20480 1 snd_hda_codec
btbcm 16384 2 hci_uart,btusb
btintel 16384 2 hci_uart,btusb
bluetooth 548864 45 btrtl,hci_uart,btintel,btqca,bnep,btbcm,rfcomm,btusb
aesni_intel 188416 2
snd_pcm 98304 4 snd_hda_intel,snd_hda_codec,snd_hda_core,snd_hda_codec_hdmi
aes_x86_64 20480 1 aesni_intel
crypto_simd 16384 1 aesni_intel
glue_helper 16384 1 aesni_intel
cryptd 24576 3 crypto_simd,ghash_clmulni_intel,aesni_intel
intel_cstate 20480 0
lpc_ich 24576 0
shpchp 36864 0
ir_rc6_decoder 16384 0
rc_rc6_mce 16384 0
snd_seq_midi 16384 0
ir_lirc_codec 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
lirc_dev 16384 2 ir_lirc_codec
nuvoton_cir 20480 0
snd_rawmidi 32768 1 snd_seq_midi
rc_core 36864 6 ir_rc6_decoder,rc_rc6_mce,ir_lirc_codec,lirc_dev,nuvoton_cir
ecdh_generic 24576 2 bluetooth
rfkill_gpio 16384 0
pwm_lpss_platform 16384 0
snd_seq 65536 2 snd_seq_midi_event,snd_seq_midi
pwm_lpss 16384 1 pwm_lpss_platform
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 32768 2 snd_seq,snd_pcm
intel_int0002_vgpio 16384 1
mac_hid 16384 0
mei_txe 20480 0
snd 81920 17 snd_hda_intel,snd_hwdep,snd_seq,snd_hda_codec,snd_timer,snd_rawmidi,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_seq_device,snd_hda_codec_realtek,snd_pcm
mei 90112 1 mei_txe
soundcore 16384 1 snd
sch_fq_codel 20480 6
parport_pc 36864 0
ppdev 20480 0
lp 20480 0
parport 49152 3 lp,parport_pc,ppdev
ip_tables 28672 0
x_tables 40960 1 ip_tables
autofs4 40960 2
hid_generic 16384 0
usbhid 49152 0
i915 1617920 9
i2c_algo_bit 16384 1 i915
drm_kms_helper 167936 1 i915
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
fb_sys_fops 16384 1 drm_kms_helper
drm 401408 10 i915,drm_kms_helper
r8169 86016 0
ahci 36864 1
libahci 32768 1 ahci
mii 16384 1 r8169
video 40960 1 i915
i2c_hid 20480 0
hid 118784 3 i2c_hid,hid_generic,usbhid
>> iwconfig
wlp1s0 IEEE 802.11 ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=0 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:on
>> ifconfig -a
enp2s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.54 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fe80::f2f2:71d3:fc2a:570c prefixlen 64 scopeid 0x20<link>
ether 78:f2:9e:90:d5:c3 txqueuelen 1000 (Ethernet)
RX packets 10693 bytes 8590070 (8.5 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 7986 bytes 934230 (934.2 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Boucle locale)
RX packets 3430 bytes 230612 (230.6 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 3430 bytes 230612 (230.6 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlp1s0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether d8:fc:93:af:96:aa txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
>> sudo iwlist scan
wlp1s0 No scan results
>> uname -r -m
4.15.0-22-generic x86_64
>> cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
iface wlan0 inet dhcp
auto wlan0
>> nm-tool
>> nmcli dev wifi
IN-USE SSID MODE CHAN RATE SIGNAL BARS SECURITY
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NAME UUID TYPE DEVICE
Connexion filaire 1 53c0dda0-2e61-3e1a-a8ee-133cc5b630c6 ethernet enp2s0
FrenGaser-WAP 4cca7875-0b81-4eb1-96eb-95861123c2b8 wifi --
>> nmcli connection status
>> sudo rfkill list
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no