[Solution]
éxécuter
sudo apt update
puis se référer à askubuntu.com/questions/990378/wi-fi-not-working-on-lenovo-thinkpad-e570-realtek-rtl8821ce (première réponse, suivre les instructions étape par étape)
[Le problème de base]
Bonjour à tous,
Je viens d'acheter un nouvel ordinateur, de lui scalper son Windows pour le remplacer par Ubuntu, et je suis surpris d'avoir perdu au passage l'usage des réseaux Wi-Fi : le message « aucun adaptateur Wi-Fi trouvé » s'affiche dans les paramètres.
Que faire ?
Merci d'avance.
Voici les réponses du Terminal aux questions (entre crochets) que je lui ai posées :
[cat /etc/lsb-release=]
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04.1 LTS"
[lsusb]
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 0bda:b00a Realtek Semiconductor Corp.
Bus 001 Device 002: ID 04f2:b627 Chicony Electronics Co., Ltd
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
[lspci]
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers (rev 08)
00:02.0 VGA compatible controller: Intel Corporation UHD Graphics 620 (rev 07)
00:04.0 Signal processing controller: Intel Corporation Skylake Processor Thermal Subsystem (rev 08)
00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21)
00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP Thermal subsystem (rev 21)
00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME HECI #1 (rev 21)
00:17.0 SATA controller: Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode] (rev 21)
00:1c.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port (rev f1)
00:1c.4 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #5 (rev f1)
00:1c.5 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #6 (rev f1)
00:1d.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #9 (rev f1)
00:1f.0 ISA bridge: Intel Corporation Device 9d4e (rev 21)
00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21)
00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21)
00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21)
01:00.0 3D controller: NVIDIA Corporation GM108M [GeForce MX130] (rev a2)
02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe Wireless Network Adapter
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
04:00.0 Non-Volatile memory controller: Device 1c5c:1527
[lspci -k -nn | grep -A 3 -i net]
02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe Wireless Network Adapter [10ec:c821]
Subsystem: Hewlett-Packard Company RTL8821CE 802.11ac PCIe Wireless Network Adapter [103c:831a]
03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15)
Subsystem: Hewlett-Packard Company RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [103c:84ba]
Kernel driver in use: r8169
Kernel modules: r8169
04:00.0 Non-Volatile memory controller [0108]: Device [1c5c:1527]
[lspci -k]
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers (rev 08)
Subsystem: Hewlett-Packard Company Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers
00:02.0 VGA compatible controller: Intel Corporation UHD Graphics 620 (rev 07)
Subsystem: Hewlett-Packard Company UHD Graphics 620
Kernel driver in use: i915
Kernel modules: i915
00:04.0 Signal processing controller: Intel Corporation Skylake Processor Thermal Subsystem (rev 08)
Subsystem: Hewlett-Packard Company Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem
Kernel driver in use: proc_thermal
Kernel modules: processor_thermal_device
00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21)
Subsystem: Hewlett-Packard Company Sunrise Point-LP USB 3.0 xHCI Controller
Kernel driver in use: xhci_hcd
00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP Thermal subsystem (rev 21)
Subsystem: Hewlett-Packard Company Sunrise Point-LP Thermal subsystem
Kernel driver in use: intel_pch_thermal
Kernel modules: intel_pch_thermal
00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME HECI #1 (rev 21)
Subsystem: Hewlett-Packard Company Sunrise Point-LP CSME HECI
Kernel driver in use: mei_me
Kernel modules: mei_me
00:17.0 SATA controller: Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode] (rev 21)
Subsystem: Hewlett-Packard Company Sunrise Point-LP SATA Controller [AHCI mode]
Kernel driver in use: ahci
Kernel modules: ahci
00:1c.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port (rev f1)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.4 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #5 (rev f1)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.5 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #6 (rev f1)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1d.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #9 (rev f1)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1f.0 ISA bridge: Intel Corporation Device 9d4e (rev 21)
Subsystem: Hewlett-Packard Company Device 84ba
00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21)
Subsystem: Hewlett-Packard Company Sunrise Point-LP PMC
00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21)
Subsystem: Hewlett-Packard Company Sunrise Point-LP HD Audio
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel, snd_soc_skl
00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21)
Subsystem: Hewlett-Packard Company Sunrise Point-LP SMBus
Kernel modules: i2c_i801
01:00.0 3D controller: NVIDIA Corporation GM108M [GeForce MX130] (rev a2)
Subsystem: Hewlett-Packard Company GM108M [GeForce MX130]
Kernel driver in use: nouveau
Kernel modules: nvidiafb, nouveau
02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe Wireless Network Adapter
Subsystem: Hewlett-Packard Company RTL8821CE 802.11ac PCIe Wireless Network Adapter
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
Subsystem: Hewlett-Packard Company RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
Kernel driver in use: r8169
Kernel modules: r8169
04:00.0 Non-Volatile memory controller: Device 1c5c:1527
Subsystem: Device 1c5c:1527
Kernel driver in use: nvme
Kernel modules: nvme
[sudo lshw -C network]
*-network NON-RÉCLAMÉ
description: Network controller
produit: Realtek Semiconductor Co., Ltd.
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:02:00.0
version: 00
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress cap_list
configuration: latency=0
ressources: portE/S:4000(taille=256) mémoire:b4200000-b420ffff
*-network
description: Ethernet interface
produit: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:03:00.0
nom logique: eno1
version: 15
numéro de série: c8:d9:d2:79:00:b7
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:17 portE/S:3000(taille=256) mémoire:b4104000-b4104fff mémoire:b4100000-b4103fff
[lsmod]
Module Size Used by
uas 24576 0
usb_storage 69632 2 uas
bnep 20480 2
nls_iso8859_1 16384 2
snd_hda_codec_hdmi 49152 1
snd_soc_skl 90112 0
snd_soc_skl_ipc 65536 1 snd_soc_skl
snd_hda_ext_core 24576 1 snd_soc_skl
snd_hda_codec_realtek 94208 1
snd_soc_sst_dsp 32768 1 snd_soc_skl_ipc
snd_soc_sst_ipc 16384 1 snd_soc_skl_ipc
snd_hda_codec_generic 73728 1 snd_hda_codec_realtek
snd_soc_acpi 16384 1 snd_soc_skl
snd_soc_core 241664 1 snd_soc_skl
snd_compress 20480 1 snd_soc_core
ac97_bus 16384 1 snd_soc_core
snd_pcm_dmaengine 16384 1 snd_soc_core
snd_hda_intel 40960 6
snd_hda_codec 126976 4 snd_hda_intel,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec_realtek
intel_rapl 20480 0
snd_hda_core 81920 7 snd_hda_intel,snd_hda_codec,snd_hda_ext_core,snd_soc_skl,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec_realtek
x86_pkg_temp_thermal 16384 0
intel_powerclamp 16384 0
snd_hwdep 20480 1 snd_hda_codec
coretemp 16384 0
snd_pcm 98304 8 snd_hda_intel,snd_hda_codec,snd_pcm_dmaengine,snd_hda_ext_core,snd_hda_core,snd_soc_skl,snd_hda_codec_hdmi,snd_soc_core
kvm 593920 0
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
irqbypass 16384 1 kvm
snd_rawmidi 32768 1 snd_seq_midi
intel_cstate 20480 0
intel_rapl_perf 16384 0
uvcvideo 86016 0
snd_seq 65536 2 snd_seq_midi_event,snd_seq_midi
btusb 45056 0
videobuf2_vmalloc 16384 1 uvcvideo
btrtl 16384 1 btusb
videobuf2_memops 16384 1 videobuf2_vmalloc
btbcm 16384 1 btusb
videobuf2_v4l2 24576 1 uvcvideo
btintel 16384 1 btusb
videobuf2_core 40960 2 uvcvideo,videobuf2_v4l2
hp_wmi 16384 0
input_leds 16384 0
joydev 24576 0
sparse_keymap 16384 1 hp_wmi
bluetooth 548864 12 btrtl,btintel,bnep,btbcm,btusb
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
videodev 184320 3 uvcvideo,videobuf2_core,videobuf2_v4l2
serio_raw 16384 0
snd_timer 32768 2 snd_seq,snd_pcm
media 40960 2 uvcvideo,videodev
wmi_bmof 16384 0
snd 81920 25 snd_compress,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_soc_core,snd_pcm
ecdh_generic 24576 1 bluetooth
mei_me 40960 0
soundcore 16384 1 snd
shpchp 36864 0
mei 90112 1 mei_me
intel_pch_thermal 16384 0
processor_thermal_device 16384 0
intel_soc_dts_iosf 16384 1 processor_thermal_device
int3403_thermal 16384 0
int340x_thermal_zone 16384 2 int3403_thermal,processor_thermal_device
hp_accel 28672 0
lis3lv02d 20480 1 hp_accel
input_polldev 16384 1 lis3lv02d
int3400_thermal 16384 0
mac_hid 16384 0
hp_wireless 16384 0
acpi_thermal_rel 16384 1 int3400_thermal
acpi_pad 180224 0
tpm_crb 16384 0
sch_fq_codel 20480 2
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
algif_skcipher 16384 0
af_alg 24576 1 algif_skcipher
dm_crypt 40960 1
nouveau 1716224 1
i915 1617920 25
crct10dif_pclmul 16384 0
crc32_pclmul 16384 0
ghash_clmulni_intel 16384 0
pcbc 16384 0
mxm_wmi 16384 1 nouveau
ttm 106496 1 nouveau
i2c_algo_bit 16384 2 nouveau,i915
aesni_intel 188416 2
drm_kms_helper 172032 2 nouveau,i915
aes_x86_64 20480 1 aesni_intel
syscopyarea 16384 1 drm_kms_helper
crypto_simd 16384 1 aesni_intel
sysfillrect 16384 1 drm_kms_helper
glue_helper 16384 1 aesni_intel
sysimgblt 16384 1 drm_kms_helper
cryptd 24576 4 crypto_simd,ghash_clmulni_intel,aesni_intel
fb_sys_fops 16384 1 drm_kms_helper
psmouse 147456 0
nvme 32768 0
drm 401408 19 nouveau,i915,ttm,drm_kms_helper
r8169 86016 0
nvme_core 61440 5 nvme
ahci 36864 0
mii 16384 1 r8169
libahci 32768 1 ahci
wmi 24576 4 wmi_bmof,mxm_wmi,nouveau,hp_wmi
video 45056 2 nouveau,i915
[iwconfig]
eno1 no wireless extensions.
lo no wireless extensions.
[ifconfig -a]
La commande « ifconfig » n'a pas été trouvée, mais peut être installée avec :
sudo apt install net-tools
[sudo iwlist scan]
eno1 Interface doesn't support scanning.
lo Interface doesn't support scanning.
[uname -r -m]
4.15.0-29-generic x86_64
[cat /etc/network/interfaces]
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
[nm-tool]
La commande « nm-tool » n'a pas été trouvée, voulez-vous dire :
commande « dm-tool » du deb lightdm
Essayez : sudo apt install <nom du deb>
[sudo rfkill list]
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
[nmcli connection show]
NAME UUID TYPE DEVICE
Connexion filaire 1 8da734f6-334d-358a-a863-f6f1051137ed ethernet --
[nmcli connection list si nmcli connection show ne fonctionne pas]
Erreur : paramètre « list » non reconnu. Essayez plutôt --help.