我使用搭载 AMD Ryzen 5 CPU 的联想 Ideapad 5 大约 2 个月，运行 Ubuntu Desktop 20.04.3 LTS 64 位。设置中缺少 Wi-Fi 部分。我无法通过内置 Wi-Fi 卡连接到互联网。我一直在使用外部 Wi-Fi 适配器和扩展坞作为临时替代方案。
命令的输出uname -srm是：
Linux 5.11.0-38-generic x86_64
命令的输出sudo lshw -C network是：
*-network UNCLAIMED
description: Network controller
product: Realtek Semiconductor Co., Ltd.
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:03:00.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress cap_list
configuration: latency=0
resources: ioport:2000(size=256) memory:d0500000-d05fffff
*-network
description: Wireless interface
physical id: 2
bus info: usb@3:2
logical name: wlx909a4acb9022
serial: 90:9a:4a:cb:90:22
capabilities: ethernet physical wireless
configuration: broadcast=yes driver=rtl88XXau driverversion=5.11.0-38-generic ip=192.168.1.251 multicast=yes wireless=IEEE 802.11AC
命令的输出sudo rfkill是：
ID TYPE DEVICE SOFT HARD
0 bluetooth hci0 unblocked unblocked
1 wlan phy0 unblocked unblocked
命令的输出dkmp status是：
8812au, 5.6.4.2_35491.20191025, 5.11.0-37-generic, x86_64: installed
8812au, 5.6.4.2_35491.20191025, 5.11.0-38-generic, x86_64: installed
8812au, 5.6.4.2_35491.20191025, 5.4.0-89-generic, x86_64: installed
rtl8821ce, v5.5.2_34066.20200325, 5.11.0-38-generic, x86_64: installed
rtl8821ce, v5.5.2_34066.20200325, 5.4.0-89-generic, x86_64: installed
命令的输出lspci -knn | grep Net -A3; rfkill list是：
03:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. Device [10ec:8852]
DeviceName: Realtek RTL8111E Ethernet LOM
Subsystem: Lenovo Device [17aa:4852]
04:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Device [1002:164c] (rev c2)
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
命令的输出lspci -nnk | grep -iA3 net是：
03:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. Device [10ec:8852]
DeviceName: Realtek RTL8111E Ethernet LOM
Subsystem: Lenovo Device [17aa:4852]
04:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Device [1002:164c] (rev c2)
Subsystem: Lenovo Device [17aa:3801]
我不知道哪个是正确的，哪个不正确。我该如何修复它才能正常工作？我应该怎么做才能修复笔记本电脑的 Wi-Fi？