这是我的 PC 配置。我检查了所有旧查询和建议，但都没有帮助。请告诉我如何才能恢复 wifi 适配器。
inxi -Fxz
System:
Kernel: 5.4.0-100-generic x86_64 bits: 64 compiler: gcc v: 9.3.0
Desktop: Gnome 3.36.9 Distro: Ubuntu 20.04.4 LTS (Focal Fossa)
Machine:
Type: Laptop System: HP product: HP Notebook v: Type1ProductConfigId
serial: <filter>
Mobo: HP model: 81ED v: 62.36 serial: <filter> UEFI [Legacy]: Insyde
v: F.21 date: 10/27/2016
Battery:
ID-1: BAT1 charge: 16.2 Wh condition: 20.5/41.4 Wh (49%)
model: Hewlett-Packard PABAS0241231 status: Charging
CPU:
Topology: Dual Core model: Intel Core i3-7100U bits: 64 type: MT MCP
arch: Amber Lake rev: 9 L2 cache: 3072 KiB
flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx
bogomips: 19200
Speed: 1164 MHz min/max: 400/2400 MHz Core speeds (MHz): 1: 1164 2: 1223
3: 1280 4: 1149
Graphics:
Device-1: Intel HD Graphics 620 vendor: Hewlett-Packard driver: i915
v: kernel bus ID: 00:02.0
Display: x11 server: X.Org 1.20.13 driver: modesetting
unloaded: fbdev,vesa tty: N/A
OpenGL: renderer: Mesa Intel HD Graphics 620 (KBL GT2) v: 4.6 Mesa 21.2.6
direct render: Yes
Audio:
Device-1: Intel Sunrise Point-LP HD Audio vendor: Hewlett-Packard
driver: snd_hda_intel v: kernel bus ID: 00:1f.3
Sound Server: ALSA v: k5.4.0-100-generic
Network:
Device-1: Realtek RTL810xE PCI Express Fast Ethernet
vendor: Hewlett-Packard driver: r8169 v: kernel port: 3000 bus ID: 01:00.0
IF: enp1s0 state: up speed: 100 Mbps duplex: full mac: <filter>
IF-ID-1: br-7f45a238a125 state: up speed: N/A duplex: N/A mac: <filter>
IF-ID-2: br-a4750d83537e state: up speed: N/A duplex: N/A mac: <filter>
IF-ID-3: docker0 state: down mac: <filter>
IF-ID-4: ppp0 state: unknown speed: N/A duplex: N/A mac: N/A
IF-ID-5: veth38a943f state: up speed: 10000 Mbps duplex: full
mac: <filter>
IF-ID-6: veth3b69d38 state: up speed: 10000 Mbps duplex: full
mac: <filter>
IF-ID-7: veth4998626 state: up speed: 10000 Mbps duplex: full
mac: <filter>
IF-ID-8: veth90366ae state: up speed: 10000 Mbps duplex: full
mac: <filter>
Drives:
Local Storage: total: 931.51 GiB used: 262.27 GiB (28.2%)
ID-1: /dev/sda vendor: Toshiba model: MQ01ABD100 size: 931.51 GiB
Partition:
ID-1: / size: 285.42 GiB used: 81.32 GiB (28.5%) fs: ext4 dev: /dev/sda7
ID-2: swap-1 size: 3.81 GiB used: 0 KiB (0.0%) fs: swap dev: /dev/sda6
Sensors:
System Temperatures: cpu: 45.0 C mobo: 29.8 C
Fan Speeds (RPM): N/A
Info:
Processes: 404 Uptime: 8m Memory: 11.61 GiB used: 3.49 GiB (30.0%)
Init: systemd runlevel: 5 Compilers: gcc: 9.3.0 Shell: bash v: 5.0.17
inxi: 3.0.38
我尝试用这个命令
lspci -knn | grep Net -A3
未找到输出
在下面的命令中发现这个输出
lspci -nnk | grep 0200 -A2
01:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL810xE PCI Express Fast Ethernet controller [10ec:8136] (rev 07)
Subsystem: Hewlett-Packard Company RTL810xE PCI Express Fast Ethernet controller [103c:81ed]
Kernel driver in use: r8169