今天我连接了局域网电缆，发现以太网不工作（以太网也没有图标）。
输出ifconfig：
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 1073 bytes 115411 (115.4 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 1073 bytes 115411 (115.4 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlp3s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.40 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fe80::a181:9afb:22ae:b05 prefixlen 64 scopeid 0x20<link>
ether b4:8c:9d:66:75:3d txqueuelen 1000 (Ethernet)
RX packets 28934 bytes 25749531 (25.7 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 15772 bytes 3193820 (3.1 MB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
输出sudo lshw -c network
*-network UNCLAIMED
description: Ethernet controller
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:02:00.0
version: 15
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix bus_master cap_list
configuration: latency=0
resources: ioport:e000(size=256) memory:fc704000-fc704fff memory:fc700000-fc703fff
*-network
description: Wireless interface
product: MT7921 802.11ax PCI Express Wireless Network Adapter
vendor: MEDIATEK Corp.
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlp3s0
version: 00
serial: b4:8c:9d:66:75:3d
width: 64 bits
clock: 33MHz
capabilities: pciexpress msi pm bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=mt7921e driverversion=5.15.0-89-generic firmware=____010000-20220209150915 ip=192.168.1.40 latency=0 link=yes multicast=yes wireless=IEEE 802.11
resources: iomemory:ff0-fef iomemory:ff0-fef iomemory:ff0-fef irq:77 memory:ff20300000-ff203fffff memory:ff20400000-ff20403fff memory:ff20404000-ff20404fff
笔记 ：
我已经做好了
sudo systemctl restart NetworkManager。我已经从www.realtek.com
完成上述两个步骤后，我确实重新启动了，但以太网仍然无法工作，但 WI-FI 可以工作。
请帮忙，否则我必须重新安装Ubuntu 22.04