No Chinese input keyboard so write this blog base on my poor English.
This blog for guide you install WIFI driver and other drivers.
PC: Thinkpad T14 AMD 5850
System: Debian 11 bulleyes
lspci -nn can show all hardware information
lspci -nn | grep Network get wireless hardware info
root@debian:~/Downloads$ lspci -nn | grep Network
03:00.0 Network controller [0280]: MEDIATEK Corp. Device [14c3:7961]
At here use Isenkram to autoinstall missing firmware.
$ sudo apt-get install isenkram$ sudo isenkram-autoinstall-firmwareGraphic driver install:
$ sudo apt-get install firmware-linux-nonfree libgl1-mesa-dri xserver-xorg-video-ati
It now show AMD@Renoir. before install there is another show text.

AMD是联发科的网卡,在经过一些尝试网卡驱动依旧是没有安装上,查到相对比较可靠的方法是升级内核到5.13。
如果有不升级内核即可安装驱动的方法能 @博主 最好了。
