Bonjour à tous...
depuis un redemarrage brutal, mon dell refuse de connecter son wifi... le switch matériel semble être ignoré...
voici ma config :
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04.5 LTS"
>> lsusb
Bus 002 Device 002: ID 0c45:63e0 Microdia Sonix Integrated Webcam
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 002: ID 04d9:048e Holtek Semiconductor, Inc. Optical Mouse
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
>> lspci -k -nn | grep -A 3 -i net
06:00.0 Network controller [0280]: Broadcom Corporation BCM4312 802.11b/g LP-PHY [14e4:4315] (rev 01)
Subsystem: Dell Wireless 1395 WLAN Mini-Card [1028:000b]
07:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 02)
Subsystem: Dell Device [1028:0275]
Kernel driver in use: r8169
08:05.0 FireWire (IEEE 1394) [0c00]: O2 Micro, Inc. Firewire (IEEE 1394) [1217:00f7] (rev 02)
>> sudo lshw -C network
*-network NON-RÉCLAMÉ
description: Network controller
produit: BCM4312 802.11b/g LP-PHY
fabriquant: Broadcom Corporation
identifiant matériel: 0
information bus: pci@0000:06:00.0
version: 01
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list
configuration: latency=0
ressources: mémoire:f4000000-f4003fff
*-network
description: Ethernet interface
produit: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:07:00.0
nom logique: eth0
version: 02
numéro de série: 00:1c:23:58:fc:b6
taille: 1Gbit/s
capacité: 1Gbit/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 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full ip=192.168.1.91 latency=0 link=yes multicast=yes port=MII speed=1Gbit/s
ressources: irq:28 portE/S:5000(taille=256) mémoire:f8610000-f8610fff mémoire:f8600000-f860ffff mémoire:80000000-8000ffff
>> lsmod
Module Size Used by
uvcvideo 73728 0
bnep 20480 2
videobuf2_vmalloc 16384 1 uvcvideo
videobuf2_memops 16384 1 videobuf2_vmalloc
videobuf2_v4l2 28672 1 uvcvideo
videobuf2_core 36864 2 uvcvideo,videobuf2_v4l2
v4l2_common 16384 1 videobuf2_v4l2
snd_hda_codec_realtek 73728 1
snd_hda_codec_generic 69632 1 snd_hda_codec_realtek
rfcomm 65536 4
videodev 155648 4 uvcvideo,v4l2_common,videobuf2_core,videobuf2_v4l2
bluetooth 466944 10 bnep,rfcomm
snd_hda_intel 32768 5
media 24576 2 uvcvideo,videodev
snd_hda_codec 114688 3 snd_hda_codec_realtek,snd_hda_codec_generic,snd_hda_intel
snd_hda_core 61440 4 snd_hda_codec_realtek,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel
dell_laptop 20480 0
i915 1114112 4
snd_hwdep 16384 1 snd_hda_codec
snd_pcm 94208 4 snd_hda_codec,snd_hda_intel,snd_hda_core
dcdbas 16384 1 dell_laptop
drm_kms_helper 135168 1 i915
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
drm 303104 6 i915,drm_kms_helper
snd_rawmidi 28672 1 snd_seq_midi
snd_seq 57344 2 snd_seq_midi_event,snd_seq_midi
dell_smm_hwmon 16384 0
dell_wmi 16384 0
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 28672 2 snd_pcm,snd_seq
sparse_keymap 16384 1 dell_wmi
lpc_ich 20480 0
snd 69632 19 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_seq_device
soundcore 16384 1 snd
coretemp 16384 0
input_leds 16384 0
i2c_algo_bit 16384 1 i915
serio_raw 16384 0
binfmt_misc 20480 1
shpchp 32768 0
fb_sys_fops 16384 1 drm_kms_helper
syscopyarea 16384 1 drm_kms_helper
tpm_infineon 20480 0
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
video 36864 3 i915,dell_wmi,dell_laptop
wmi 16384 1 dell_wmi
mac_hid 16384 0
parport_pc 32768 0
ppdev 20480 0
lp 16384 0
parport 45056 3 lp,ppdev,parport_pc
hid_generic 16384 0
usbhid 49152 0
hid 98304 2 hid_generic,usbhid
firewire_ohci 40960 0
ahci 36864 2
sdhci_pci 24576 0
pata_acpi 16384 0
r8169 77824 0
libahci 32768 1 ahci
mii 16384 1 r8169
firewire_core 61440 1 firewire_ohci
sdhci 45056 1 sdhci_pci
crc_itu_t 16384 1 firewire_core
fjes 28672 0
>> iwconfig
>> ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:1c:23:58:fc:b6
inet adr:192.168.1.91 Bcast:192.168.1.255 Masque:255.255.255.0
adr inet6: fe80::21c:23ff:fe58:fcb6/64 Scope:Lien
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Packets reçus:171556 erreurs:0 :0 overruns:0 frame:0
TX packets:126404 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:117901173 (117.9 MB) Octets transmis:26601168 (26.6 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:16498 erreurs:0 :0 overruns:0 frame:0
TX packets:16498 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1
Octets reçus:1840150 (1.8 MB) Octets transmis:1840150 (1.8 MB)
>> sudo iwlist scan
>> uname -r -m
4.4.0-75-generic i686
>> cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
>> nm-tool
NetworkManager Tool
State: connected (global)
- Device: eth0 [Connexion filaire 1] ------------------------------------------
Type: Wired
Driver: r8169
State: connected
Default: yes
HW Address: 00:1C:23:58:FC:B6
Capabilities:
Carrier Detect: yes
Speed: 1000 Mb/s
Wired Properties
Carrier: on
IPv4 Settings:
Address: 192.168.1.91
Prefix: 24 (255.255.255.0)
Gateway: 192.168.1.1
DNS: 192.168.1.1
>> nmcli dev wifi
SSID BSSID MODE FRÉQ DÉBIT SIGNAL SÉCURITÉ ACTIF
>> nmcli connection show
>> sudo rfkill list
je suis dépité et malgré mes recherche, je n'arrive à rien...
Merci de votre aide !
