Salut,
Merci pour les infos. Voici le log de wificheck :
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04.5 LTS"
>> lsusb
Bus 002 Device 002: ID 0bc2:2312 Seagate RSS LLC
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 015: ID 03f0:5307 Hewlett-Packard v165w Stick
Bus 001 Device 003: ID 046d:c517 Logitech, Inc. LX710 Cordless Desktop Laser
Bus 001 Device 011: ID 0bda:8189 Realtek Semiconductor Corp. RTL8187B Wireless 802.11g 54Mbps Network Adapter
Bus 001 Device 002: ID 1058:0704 Western Digital Technologies, Inc. My Passport Essential (WDME)
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
05:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15)
Subsystem: Micro-Star International Co., Ltd. [MSI] RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [1462:7971]
Kernel driver in use: r8169
Kernel modules: r8169
>> sudo lshw -C network
*-network
description: Ethernet interface
produit: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:05:00.0
nom logique: enp5s0
version: 15
numéro de série: d8:cb:8a:a3:83:51
taille: 10Mbit/s
capacité: 1Gbit/s
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress msix 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=half firmware=rtl8168h-2_0.0.2 02/26/15 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
ressources: irq:317 portE/S:d000(taille=256) mémoire:df104000-df104fff mémoire:df100000-df103fff
*-network
description: Interface réseau sans fil
identifiant matériel: 2
information bus: usb@1:3
nom logique: wlx0018e771164b
numéro de série: 00:18:e7:71:16:4b
fonctionnalités: ethernet physical wireless
configuration: broadcast=yes driver=rtl8187 driverversion=4.4.0-138-lowlatency firmware=N/A ip=192.168.1.56 link=yes multicast=yes wireless=IEEE 802.11bg
>> lsmod
Module Size Used by
drbg 32768 1
ansi_cprng 16384 0
ctr 16384 2
ccm 20480 2
arc4 16384 2
rtl8187 65536 0
mac80211 749568 1 rtl8187
cfg80211 573440 2 mac80211,rtl8187
eeprom_93cx6 16384 1 rtl8187
usblp 20480 0
vmw_vsock_vmci_transport 32768 0
vsock 36864 1 vmw_vsock_vmci_transport
pci_stub 16384 1
vboxpci 24576 0
vboxnetadp 28672 0
vboxnetflt 28672 1
vmw_vmci 65536 1 vmw_vsock_vmci_transport
vboxdrv 458752 5 vboxnetadp,vboxnetflt,vboxpci
xt_multiport 16384 1
snd_hrtimer 16384 1
binfmt_misc 20480 1
8250_dw 16384 0
mxm_wmi 16384 0
i2c_designware_platform 16384 0
i2c_designware_core 20480 1 i2c_designware_platform
intel_rapl 20480 0
x86_pkg_temp_thermal 16384 0
intel_powerclamp 16384 0
coretemp 16384 0
kvm_intel 180224 0
kvm 552960 1 kvm_intel
irqbypass 16384 1 kvm
crct10dif_pclmul 16384 0
crc32_pclmul 16384 0
ghash_clmulni_intel 16384 0
aesni_intel 167936 4
aes_x86_64 20480 1 aesni_intel
lrw 16384 1 aesni_intel
gf128mul 16384 1 lrw
glue_helper 16384 1 aesni_intel
ablk_helper 16384 1 aesni_intel
cryptd 20480 3 ghash_clmulni_intel,aesni_intel,ablk_helper
serio_raw 16384 0
snd_hda_codec_hdmi 53248 1
snd_hda_codec_realtek 90112 1
snd_hda_codec_generic 77824 1 snd_hda_codec_realtek
input_leds 16384 0
joydev 20480 0
snd_hda_intel 40960 7
snd_hda_codec 135168 4 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel
snd_hda_core 73728 5 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel
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_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_rawmidi 32768 1 snd_seq_midi
snd_seq 69632 3 snd_seq_midi_event,snd_seq_midi
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 32768 3 snd_hrtimer,snd_pcm,snd_seq
snd 81920 25 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
soundcore 16384 1 snd
8250_fintek 16384 0
wmi 20480 1 mxm_wmi
nvidia_uvm 643072 0
idma64 20480 0
virt_dma 16384 1 idma64
mac_hid 16384 0
acpi_pad 24576 0
mei_me 36864 0
mei 98304 1 mei_me
intel_lpss_pci 16384 0
intel_lpss 16384 1 intel_lpss_pci
shpchp 36864 0
ip6t_REJECT 16384 1
nf_reject_ipv6 16384 1 ip6t_REJECT
nf_log_ipv6 16384 5
xt_hl 16384 22
ip6t_rt 16384 3
nf_conntrack_ipv6 20480 8
nf_defrag_ipv6 36864 1 nf_conntrack_ipv6
ipt_REJECT 16384 1
nf_reject_ipv4 16384 1 ipt_REJECT
nf_log_ipv4 16384 5
nf_log_common 16384 2 nf_log_ipv4,nf_log_ipv6
xt_LOG 16384 10
xt_limit 16384 13
xt_tcpudp 16384 22
xt_addrtype 16384 4
nf_conntrack_ipv4 20480 8
nf_defrag_ipv4 16384 1 nf_conntrack_ipv4
xt_conntrack 16384 16
ip6table_filter 16384 1
ip6_tables 28672 53 ip6table_filter
nf_conntrack_netbios_ns 16384 0
nf_conntrack_broadcast 16384 1 nf_conntrack_netbios_ns
nf_nat_ftp 16384 0
nf_nat 24576 1 nf_nat_ftp
nf_conntrack_ftp 20480 1 nf_nat_ftp
nf_conntrack 106496 8 nf_nat_ftp,nf_conntrack_netbios_ns,nf_nat,xt_conntrack,nf_conntrack_broadcast,nf_conntrack_ftp,nf_conntrack_ipv4,nf_conntrack_ipv6
iptable_filter 16384 1
ip_tables 24576 11 iptable_filter
nfsd 323584 13
x_tables 36864 14 ip6table_filter,xt_hl,ip_tables,xt_tcpudp,xt_limit,xt_conntrack,xt_LOG,xt_multiport,iptable_filter,ip6t_rt,ipt_REJECT,ip6_tables,xt_addrtype,ip6t_REJECT
auth_rpcgss 61440 1 nfsd
nfs_acl 16384 1 nfsd
lockd 94208 1 nfsd
grace 16384 2 nfsd,lockd
sunrpc 331776 18 nfsd,auth_rpcgss,lockd,nfs_acl
parport_pc 32768 1
ppdev 20480 0
lp 20480 0
parport 49152 3 lp,ppdev,parport_pc
autofs4 40960 4
hid_logitech 32768 0
ff_memless 16384 1 hid_logitech
usbhid 49152 0
hid 122880 2 hid_logitech,usbhid
uas 24576 1
usb_storage 69632 3 uas
psmouse 131072 0
r8169 86016 0
mii 16384 1 r8169
ahci 40960 8
libahci 32768 1 ahci
pinctrl_sunrisepoint 28672 0
pinctrl_intel 20480 1 pinctrl_sunrisepoint
nvidia_drm 53248 1
nvidia_modeset 811008 5 nvidia_drm
fjes 28672 0
nvidia 11550720 97 nvidia_modeset,nvidia_uvm
i915_bpo 1331200 0
intel_ips 20480 1 i915_bpo
video 40960 1 i915_bpo
i2c_algo_bit 16384 1 i915_bpo
drm_kms_helper 155648 2 i915_bpo,nvidia_drm
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 364544 5 i915_bpo,drm_kms_helper,nvidia_drm
>> iwconfig
wlx0018e771164b IEEE 802.11bg ESSID:"Bbox-4C702659"
Mode:Managed Frequency:2.412 GHz Access Point: 38:35:FB:F4:DE:20
Bit Rate=48 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=65/70 Signal level=-45 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:20 Invalid misc:23 Missed beacon:0
>> ifconfig -a
enp5s0 Link encap:Ethernet HWaddr d8:cb:8a:a3:83:51
UP BROADCAST MULTICAST MTU:1500 Metric:1
Packets reçus:0 erreurs:0 :0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:0 (0.0 B) Octets transmis:0 (0.0 B)
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:48522 erreurs:0 :0 overruns:0 frame:0
TX packets:48522 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1
Octets reçus:3845628 (3.8 MB) Octets transmis:3845628 (3.8 MB)
vboxnet0 Link encap:Ethernet HWaddr 0a:00:27:00:00:00
inet adr:192.168.56.1 Bcast:192.168.56.255 Masque:255.255.255.0
adr inet6: fe80::800:27ff:fe00:0/64 Scope:Lien
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Packets reçus:0 erreurs:0 :0 overruns:0 frame:0
TX packets:281 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:0 (0.0 B) Octets transmis:54646 (54.6 KB)
wlx0018e771164b Link encap:Ethernet HWaddr 00:18:e7:71:16:4b
inet adr:192.168.1.56 Bcast:192.168.1.255 Masque:255.255.255.0
adr inet6: fe80::f544:fd83:89da:62dd/64 Scope:Lien
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Packets reçus:24707 erreurs:0 :0 overruns:0 frame:0
TX packets:41850 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:27098431 (27.0 MB) Octets transmis:4003762 (4.0 MB)
>> sudo iwlist scan
>> uname -r -m
4.4.0-138-lowlatency 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
* SSID MODE CHAN DÉBIT SIGNAL BARS SÉCURITÉ
* Bbox-4C702659 Infra 1 54 Mo/s 75 ▂▄▆_ WPA1 WPA2
devolo-6c0 Infra 11 54 Mo/s 70 ▂▄▆_ WPA2
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NOM UUID TYPE PÉRIPHÉRIQUE
Bbox-4C702659 b6556508-1479-4bd7-b997-b0a5ddd6fc4b 802-11-wireless wlx0018e771164b
Connexion filaire 1 d600071b-3722-3bb0-be17-ac1cf334943f 802-3-ethernet --
devolo-6c0 83d6689e-374e-4ac6-9dd7-967e6ea5f96d 802-11-wireless --
>> nmcli connection status
>> sudo rfkill list
1: phy1: Wireless LAN
Soft blocked: no
Hard blocked: no