re
pour moi les differentes entrées du terminal donnent ça
jean@jean:~$ lspci -nnk | grep -i net -A2
02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15)
Subsystem: ASUSTeK Computer Inc. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [1043:200f]
Kernel driver in use: r8169
Kernel modules: r8169
03:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe Wireless Network Adapter [10ec:c821]
Subsystem: AzureWave RTL8821CE 802.11ac PCIe Wireless Network Adapter [1a3b:3040]
Kernel driver in use: rtl8821ce
Kernel modules: 8821ce
jean@jean:~$
jean@jean:~$ sudo iwconfig
[sudo] Mot de passe de jean :
lo no wireless extensions.
enp2s0 no wireless extensions.
wlp3s0 IEEE 802.11AC ESSID:"bboxsalon" Nickname:"<WIFI@REALTEK>"
Mode:Managed Frequency:5.18 GHz Access Point: EC:BE:DD:A1:FC:04
Bit Rate:434 Mb/s Sensitivity:0/0
Retry:off RTS thr:off Fragment thr:off
Encryption key:****-****-****-****-****-****-****-**** Security mode:open
Power Management:off
Link Quality=63/100 Signal level=-71 dBm Noise level=0 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
jean@jean:~$
jean@jean:~$ sudo /sbin/iwconfig wlo2 txpower auto
Error for wireless request "Set Tx Power" (8B26) :
SET failed on device wlo2 ; No such device.
jean@jean:~$
jean@jean:~$ sudo /sbin/iwconfig wlo2 power off
Error for wireless request "Set Power Management" (8B2C) :
SET failed on device wlo2 ; No such device.
jean@jean:~$
mais ,à priori ça ne gène pas le fonctionnement du wifi donc je laisse comme ça