Bonjour tout le monde,
et merci d'exister !
il me semble avoir parcouru pas mal de sujets cet après-midi, mais je n'ai pas trouvé la réponse à mon problème, je me permets donc de demander de l'aide ici. J'aime bien comprendre ce que je fais, mais certaines notions me dépassent, là...
Ma connexion wifi a disparu soudainement il y a quelques heures, alors que j'étais en train d'utiliser internet, d'écrire un mail... Je ne sais pas ce qui s'est passé.
Mon portable capte bien la wifi, par contre, la box fonctionne.
Si vous pouviez m'aider à réparer ça, ce serait tellement bien ! là j'ai tendu un câble à travers la pièce pour me connecter en filaire.
Voici quelques infos précises :
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04.4 LTS"
>> lsusb
Bus 002 Device 003: ID 045e:0737 Microsoft Corp. Compact Optical Mouse 500
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 0c45:641d Microdia 1.3 MPixel Integrated Webcam
Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
12:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter [14e4:4727] (rev 01)
Subsystem: Dell Inspiron M5010 / XPS 8300 [1028:0010]
Kernel driver in use: wl
Kernel modules: bcma, wl
13:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [10ec:8136] (rev 02)
Subsystem: Dell RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [1028:0447]
Kernel driver in use: r8169
Kernel modules: r8169
ff:00.0 Host bridge [0600]: Intel Corporation Core Processor QuickPath Architecture Generic Non-core Registers [8086:2c62] (rev 05)
>> sudo lshw -C network
*-network DÉSACTIVÉ
description: Interface réseau sans fil
produit: BCM4313 802.11bgn Wireless Network Adapter
fabriquant: Broadcom Corporation
identifiant matériel: 0
information bus: pci@0000:12:00.0
nom logique: wlan0
version: 01
numéro de série: 1c:65:9d:e6:ac:d4
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=wl0 driverversion=6.30.223.271 (r587334) latency=0 multicast=yes wireless=IEEE 802.11abg
ressources: irq:17 mémoire:fbc00000-fbc03fff
*-network
description: Ethernet interface
produit: RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:13:00.0
nom logique: eth0
version: 02
numéro de série: f0:4d:a2:c4:8b:3e
taille: 100Mbit/s
capacité: 100Mbit/s
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress msix vpd bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full ip=192.168.1.82 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
ressources: irq:28 portE/S:e000(taille=256) mémoire:d0b10000-d0b10fff mémoire:d0b00000-d0b0ffff mémoire:fb200000-fb21ffff
>> lsmod
Module Size Used by
binfmt_misc 20480 1
snd_hda_codec_hdmi 49152 1
snd_hda_codec_idt 53248 1
uvcvideo 77824 0
snd_hda_codec_generic 69632 1 snd_hda_codec_idt
videobuf2_vmalloc 16384 1 uvcvideo
videobuf2_memops 16384 1 videobuf2_vmalloc
snd_hda_intel 36864 3
videobuf2_v4l2 28672 1 uvcvideo
videobuf2_core 36864 2 uvcvideo,videobuf2_v4l2
v4l2_common 16384 1 videobuf2_v4l2
videodev 155648 4 uvcvideo,v4l2_common,videobuf2_core,videobuf2_v4l2
dell_laptop 24576 0
media 24576 2 uvcvideo,videodev
dcdbas 16384 1 dell_laptop
snd_hda_codec 118784 4 snd_hda_codec_hdmi,snd_hda_codec_idt,snd_hda_codec_generic,snd_hda_intel
dell_smm_hwmon 16384 0
snd_hda_core 61440 5 snd_hda_codec_hdmi,snd_hda_codec_idt,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel
snd_hwdep 16384 1 snd_hda_codec
dell_wmi 16384 0
sparse_keymap 16384 1 dell_wmi
snd_pcm 94208 4 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 28672 1 snd_seq_midi
snd_seq 57344 2 snd_seq_midi_event,snd_seq_midi
wl 6209536 0
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 32768 2 snd_pcm,snd_seq
snd 69632 17 snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_idt,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_seq_device
soundcore 16384 1 snd
cfg80211 499712 1 wl
intel_powerclamp 16384 0
coretemp 16384 0
kvm_intel 167936 0
kvm 487424 1 kvm_intel
irqbypass 16384 1 kvm
mei_me 28672 0
joydev 20480 0
shpchp 32768 0
input_leds 16384 0
serio_raw 16384 0
mei 94208 1 mei_me
lpc_ich 20480 0
mac_hid 16384 0
cuse 16384 3
parport_pc 32768 0
ppdev 20480 0
lp 20480 0
parport 49152 3 lp,ppdev,parport_pc
autofs4 40960 2
btrfs 1003520 0
xor 28672 1 btrfs
raid6_pq 102400 1 btrfs
hid_generic 16384 0
usbhid 49152 0
hid 98304 2 hid_generic,usbhid
i915 1155072 9
i2c_algo_bit 16384 1 i915
drm_kms_helper 139264 1 i915
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
psmouse 118784 0
ahci 36864 3
sysimgblt 16384 1 drm_kms_helper
fb_sys_fops 16384 1 drm_kms_helper
libahci 32768 1 ahci
r8169 81920 0
intel_ips 20480 0
drm 311296 6 i915,drm_kms_helper
mii 16384 1 r8169
wmi 20480 1 dell_wmi
fjes 28672 0
video 40960 3 i915,dell_wmi,dell_laptop
>> iwconfig
wlan0 IEEE 802.11abg ESSID:off/any
Mode:Managed Access Point: Not-Associated
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off
>> ifconfig -a
eth0 Link encap:Ethernet HWaddr f0:4d:a2:c4:8b:3e
inet adr:192.168.1.82 Bcast:192.168.1.255 Masque:255.255.255.0
adr inet6: fe80::f24d:a2ff:fec4:8b3e/64 Scope:Lien
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Packets reçus:15533 erreurs:0 :0 overruns:0 frame:0
TX packets:10236 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:18698700 (18.6 MB) Octets transmis:1003132 (1.0 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:544 erreurs:0 :0 overruns:0 frame:0
TX packets:544 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1
Octets reçus:46551 (46.5 KB) Octets transmis:46551 (46.5 KB)
wlan0 Link encap:Ethernet HWaddr 1c:65:9d:e6:ac:d4
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)
Interruption:17
>> sudo iwlist scan
>> uname -r -m
4.4.0-128-generic i686
>> cat /etc/network/interfaces
auto lo
iface lo inet loopback
>> nm-tool
>> nmcli dev wifi
* SSID MODE CHAN DÉBIT SIGNAL BARS SÉCURITÉ
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NOM UUID TYPE PÉRIPHÉRIQUE
Auto eth0 c11479f3-fdd9-49dc-9556-a11ea7d4e908 802-3-ethernet eth0
Bbox-5DBAA78C 66b7059f-ce67-40f8-9f96-13e165fbb25a 802-11-wireless --
HP50B32C d0d0f2b1-9153-4049-a795-48aec99f2e12 802-11-wireless --
SFR-7fb9 94818cda-211a-489a-8083-7986b7915708 802-11-wireless --
SFR_60B8 a2f814a7-f951-4973-8801-bb6af34f8060 802-11-wireless --
Totoro 088c2914-3e52-4127-811e-8f9aab872272 802-11-wireless --
freebox_AKPCYM 4c33cd79-a4df-44db-8a51-262491bfee02 802-11-wireless --
>> nmcli connection status
>> sudo rfkill list
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
1: brcmwl-0: Wireless LAN
Soft blocked: no
Hard blocked: yes
Ma box c'est SFR_60B8,
portable DELL un peu vieux,
ubuntu 16.04
...
D'avance, merci !