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élianeS

plus de wifi après réinstallation ubuntu 16.04 résolu

Bonjour,
Le wifi n'apparait plus depuis que j'ai réinstallé Ubuntu sur mon portable Lenovo
Merci d'avance pour votre aide, ci-dessous les infos demandées

eliane@eliane-Lenovo-G50-45:~$ lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 16.04.6 LTS
Release:	16.04
Codename:	xenial
eliane@eliane-Lenovo-G50-45:~$ lsusb
Bus 002 Device 002: ID 5986:0652 Acer, Inc 
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 002: ID 105b:e065 Foxconn International, Inc. BCM43142A0 Bluetooth module
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 003: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 003: ID 1a2c:0021 China Resource Semico Co., Ltd Keyboard
Bus 003 Device 002: ID 04f3:0210 Elan Microelectronics Corp. Optical Mouse
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 002: ID 0bc2:61b6 Seagate RSS LLC 
Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
eliane@eliane-Lenovo-G50-45:~$ lspci
00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Root Complex
00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Kabini [Radeon HD 8280 / R3 Series]
00:01.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Kabini HDMI/DP Audio
00:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 0
00:02.3 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Functions 5:1
00:02.4 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Functions 5:1
00:10.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB XHCI Controller (rev 01)
00:11.0 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode]
00:12.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller (rev 39)
00:12.2 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller (rev 39)
00:13.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller (rev 39)
00:13.2 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller (rev 39)
00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller (rev 3a)
00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD] FCH Azalia Controller (rev 02)
00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge (rev 11)
00:14.7 SD Host controller: Advanced Micro Devices, Inc. [AMD] FCH SD Flash Controller (rev 01)
00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 0
00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 1
00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 2
00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 3
00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 4
00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 5
01:00.0 Network controller: Broadcom Inc. and subsidiaries BCM43142 802.11b/g/n (rev 01)
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 10)
eliane@eliane-Lenovo-G50-45:~$ lspci -k -nn | grep -A 3 -i net
01:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM43142 802.11b/g/n [14e4:4365] (rev 01)
	Subsystem: Lenovo BCM43142 802.11b/g/n [17aa:0621]
02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 10)
	Subsystem: Lenovo RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [17aa:3812]
	Kernel driver in use: r8169
	Kernel modules: r8169
eliane@eliane-Lenovo-G50-45:~$ lspci -k
00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Root Complex
	Subsystem: Lenovo Family 16h Processor Root Complex
00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Kabini [Radeon HD 8280 / R3 Series]
	Subsystem: Lenovo Kabini [Radeon HD 8280 / R3 Series]
	Kernel driver in use: radeon
	Kernel modules: radeon, amdgpu
00:01.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Kabini HDMI/DP Audio
	Subsystem: Lenovo Kabini HDMI/DP Audio
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel
00:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 0
00:02.3 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Functions 5:1
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:02.4 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Functions 5:1
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:10.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB XHCI Controller (rev 01)
	Subsystem: Lenovo FCH USB XHCI Controller
	Kernel driver in use: xhci_hcd
00:11.0 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode]
	Subsystem: Lenovo FCH SATA Controller [AHCI mode]
	Kernel driver in use: ahci
	Kernel modules: ahci
00:12.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller (rev 39)
	Subsystem: Lenovo FCH USB OHCI Controller
	Kernel driver in use: ohci-pci
00:12.2 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller (rev 39)
	Subsystem: Lenovo FCH USB EHCI Controller
	Kernel driver in use: ehci-pci
00:13.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller (rev 39)
	Subsystem: Lenovo FCH USB OHCI Controller
	Kernel driver in use: ohci-pci
00:13.2 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller (rev 39)
	Subsystem: Lenovo FCH USB EHCI Controller
	Kernel driver in use: ehci-pci
00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller (rev 3a)
	Subsystem: Lenovo FCH SMBus Controller
	Kernel modules: i2c_piix4, sp5100_tco
00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD] FCH Azalia Controller (rev 02)
	Subsystem: Lenovo FCH Azalia Controller
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel
00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge (rev 11)
	Subsystem: Lenovo FCH LPC Bridge
00:14.7 SD Host controller: Advanced Micro Devices, Inc. [AMD] FCH SD Flash Controller (rev 01)
	Subsystem: Lenovo FCH SD Flash Controller
	Kernel driver in use: sdhci-pci
	Kernel modules: sdhci_pci
00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 0
00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 1
00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 2
00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 3
	Kernel driver in use: k10temp
	Kernel modules: k10temp
00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 4
	Kernel driver in use: fam15h_power
	Kernel modules: fam15h_power
00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 5
01:00.0 Network controller: Broadcom Inc. and subsidiaries BCM43142 802.11b/g/n (rev 01)
	Subsystem: Lenovo BCM43142 802.11b/g/n
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 10)
	Subsystem: Lenovo RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
	Kernel driver in use: r8169
	Kernel modules: r8169
eliane@eliane-Lenovo-G50-45:~$ sudo lshw -C network
  *-network NON-RÉCLAMÉ   
       description: Network controller
       produit: BCM43142 802.11b/g/n
       fabriquant: Broadcom Inc. and subsidiaries
       identifiant matériel: 0
       information bus: pci@0000:01:00.0
       version: 01
       bits: 64 bits
       horloge: 33MHz
       fonctionnalités: pm msi pciexpress bus_master cap_list
       configuration: latency=0
       ressources: mémoire:f0900000-f0907fff
  *-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: 10
       numéro de série: 68:f7:28:9b:42:a0
       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-3_0.0.1 04/23/13 ip=192.168.0.14 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
       ressources: irq:34 portE/S:2000(taille=256) mémoire:f0804000-f0804fff mémoire:f0800000-f0803fff
eliane@eliane-Lenovo-G50-45:~$ lsmod | sort
aesni_intel           188416  2
aes_x86_64             20480  1 aesni_intel
ahci                   40960  3
amd_freq_sensitivity    16384  0
amdgpu               2740224  0
autofs4                40960  2
bluetooth             552960  31 btrtl,btintel,btbcm,bnep,btusb,rfcomm
bnep                   20480  2
btbcm                  16384  1 btusb
btintel                16384  1 btusb
btrtl                  16384  1 btusb
btusb                  45056  0
chash                  16384  1 amdgpu
cmac                   16384  1
crc32_pclmul           16384  0
crct10dif_pclmul       16384  0
cryptd                 24576  3 crypto_simd,ghash_clmulni_intel,aesni_intel
crypto_simd            16384  1 aesni_intel
drm                   401408  10 drm_kms_helper,amdgpu,radeon,ttm
drm_kms_helper        172032  2 amdgpu,radeon
ecdh_generic           24576  2 bluetooth
edac_mce_amd           28672  0
fam15h_power           16384  0
fb_sys_fops            16384  1 drm_kms_helper
ghash_clmulni_intel    16384  0
glue_helper            16384  1 aesni_intel
hid                   114688  2 usbhid,hid_generic
hid_generic            16384  0
i2c_algo_bit           16384  2 amdgpu,radeon
i2c_piix4              24576  0
ideapad_laptop         20480  0
input_leds             16384  0
irqbypass              16384  1 kvm
joydev                 24576  0
k10temp                16384  0
kvm                   610304  0
libahci                32768  1 ahci
lp                     20480  0
mac_hid                16384  0
media                  40960  2 videodev,uvcvideo
memstick               16384  1 rtsx_usb_ms
mii                    16384  1 r8169
Module                  Size  Used by
nls_iso8859_1          16384  1
parport                49152  3 parport_pc,lp,ppdev
parport_pc             32768  0
pcbc                   16384  0
ppdev                  20480  0
psmouse               151552  0
r8169                  86016  0
radeon               1466368  61
rfcomm                 77824  2
rtsx_usb               20480  2 rtsx_usb_sdmmc,rtsx_usb_ms
rtsx_usb_ms            20480  0
rtsx_usb_sdmmc         28672  0
sdhci                  49152  1 sdhci_pci
sdhci_pci              32768  0
serio_raw              16384  0
shpchp                 36864  0
snd                    81920  21 snd_hda_codec_generic,snd_seq,snd_hda_codec_conexant,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_timer,snd_pcm,snd_rawmidi
snd_hda_codec         126976  4 snd_hda_codec_generic,snd_hda_codec_conexant,snd_hda_codec_hdmi,snd_hda_intel
snd_hda_codec_conexant    24576  1
snd_hda_codec_generic    73728  1 snd_hda_codec_conexant
snd_hda_codec_hdmi     49152  1
snd_hda_core           81920  5 snd_hda_codec_generic,snd_hda_codec_conexant,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
snd_hda_intel          45056  5
snd_hwdep              20480  1 snd_hda_codec
snd_pcm                98304  4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core
snd_rawmidi            32768  1 snd_seq_midi
snd_seq                65536  2 snd_seq_midi,snd_seq_midi_event
snd_seq_device         16384  3 snd_seq,snd_seq_midi,snd_rawmidi
snd_seq_midi           16384  0
snd_seq_midi_event     16384  1 snd_seq_midi
snd_timer              32768  2 snd_seq,snd_pcm
soundcore              16384  1 snd
sparse_keymap          16384  1 ideapad_laptop
syscopyarea            16384  1 drm_kms_helper
sysfillrect            16384  1 drm_kms_helper
sysimgblt              16384  1 drm_kms_helper
ttm                   106496  2 amdgpu,radeon
uas                    24576  1
usbhid                 53248  0
usb_storage            69632  1 uas
uvcvideo               86016  0
video                  45056  1 ideapad_laptop
videobuf2_core         40960  2 videobuf2_v4l2,uvcvideo
videobuf2_memops       16384  1 videobuf2_vmalloc
videobuf2_v4l2         24576  1 uvcvideo
videobuf2_vmalloc      16384  1 uvcvideo
videodev              188416  3 videobuf2_core,videobuf2_v4l2,uvcvideo
wmi                    24576  1 ideapad_laptop
eliane@eliane-Lenovo-G50-45:~$ iwconfig
lo        no wireless extensions.

enp2s0    no wireless extensions.

eliane@eliane-Lenovo-G50-45:~$ ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: enp2s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 68:f7:28:9b:42:a0 brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.14/24 brd 192.168.0.255 scope global dynamic enp2s0
       valid_lft 862410sec preferred_lft 862410sec
    inet6 2a01:e34:ee9c:bca0:8dcf:f610:6366:9553/64 scope global temporary dynamic 
       valid_lft 86373sec preferred_lft 84244sec
    inet6 2a01:e34:ee9c:bca0:e63b:71e4:5c2:ebac/64 scope global mngtmpaddr noprefixroute dynamic 
       valid_lft 86373sec preferred_lft 86373sec
    inet6 fe80::872e:4384:2132:325c/64 scope link 
       valid_lft forever preferred_lft forever
eliane@eliane-Lenovo-G50-45:~$ sudo iwlist scan
lo        Interface doesn't support scanning.

enp2s0    Interface doesn't support scanning.

eliane@eliane-Lenovo-G50-45:~$ uname -r -m 
4.15.0-70-generic x86_64
eliane@eliane-Lenovo-G50-45:~$ cat  /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
eliane@eliane-Lenovo-G50-45:~$ nm-tool
La commande « nm-tool » est introuvable, vouliez-vous dire :
 La commande « dm-tool » du paquet « lightdm » (main)
nm-tool : commande introuvable
eliane@eliane-Lenovo-G50-45:~$ sudo rfkill list
0: ideapad_wlan: Wireless LAN
	Soft blocked: no
	Hard blocked: no
1: ideapad_bluetooth: Bluetooth
	Soft blocked: no
	Hard blocked: no
2: hci0: Bluetooth
	Soft blocked: no
	Hard blocked: no
eliane@eliane-Lenovo-G50-45:~$ nmcli connection show
NOM                  UUID                                  TYPE            PÉRIPHÉRIQUE 
Connexion filaire 1  052115bf-e033-313c-b12a-9e0494735a48  802-3-ethernet  enp2s0       
eliane@eliane-Lenovo-G50-45:~$ nmcli connection list si nmcli connection show ne fonctionne pas
Syntaxe : nmcli connection { COMMAND | help }

COMMAND := { show | up | down | add | modify | edit | delete | monitor | reload | load }

  show [--active] [--order <order spec>]
  show [--active] [id | uuid | path | apath] <ID> ...

  up [[id | uuid | path] <ID>] [ifname <ifname>] [ap <BSSID>] [passwd-file <file with passwords>]

  down [id | uuid | path | apath] <ID> ...

  add COMMON_OPTIONS TYPE_SPECIFIC_OPTIONS SLAVE_OPTIONS IP_OPTIONS [-- ([+|-]<setting>.<property> <value>)+]

  modify [--temporary] [id | uuid | path] <ID> ([+|-]<setting>.<property> <value>)+

  clone [--temporary] [id | uuid | path ] <ID> <new name>

  edit [id | uuid | path] <ID>
  edit [type <new_con_type>] [con-name <new_con_name>]

  delete [id | uuid | path] <ID>

  monitor [id | uuid | path] <ID> ...

  reload

  load <filename> [ <filename>... ]

  import [--temporary] type <type> file <file to import>

  export [id | uuid | path] <ID> [<output file>]

Erreur : « list » n'est pas une commande « connection » valide.
eliane@eliane-Lenovo-G50-45:~$ 

Dernière modification par élianeS (Le 20/11/2019, à 13:27)

xubu1957

Re : plus de wifi après réinstallation ubuntu 16.04 résolu

Bonjour,

Pour ajouter toi-même les balises code à ton précédent message #1 :                                          Merci                           

• Cliquer sur  le lien « Modifier » en bas à droite du message

• Sélectionner le texte

• Cliquer sur le <> de l'éditeur de message

comme indiqué dans le : Retour utilisable de commande

_ _ _

Pour la carte wifi :

Network controller [0280]: Broadcom Inc. and subsidiaries BCM43142 802.11b/g/n [14e4:4365] (rev 01)
    Subsystem: Lenovo BCM43142 802.11b/g/n [17aa:0621]

L'ordi est de quelle année ?

Regarde au § 2 et début du § 3 > [Tuto] Pas de Wi-fi ? Eléments importants à vérifier pour désactiver le secure-boot.

Dernière modification par xubu1957 (Le 20/11/2019, à 13:08)

---

Conseils pour les nouveaux demandeurs et pas qu'eux
Important : Pensez à passer vos sujets en [Réso|u] lorsque ceux-ci le sont, au début du titre en cliquant sur Modifier sous le premier message, et un bref récapitulatif de la solution à la fin de celui-ci. Merci.                   Membre de Linux-Azur

élianeS

Re : plus de wifi après réinstallation ubuntu 16.04 résolu

Je ne connais pas l'année, je pense 4 ou 5 ans.

Je vais regarder ton lien, en espérant y comprendre quelque chose

élianeS

Re : plus de wifi après réinstallation ubuntu 16.04 résolu

ok c'est bon, ça marche, merci