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Ubuntu 20.0 更新后 WiFi/以太网不工作

tag-icon • tag-icon networking wireless 20.04 network-manager ethernet
Ubuntu 20.0 更新后 WiFi/以太网不工作

我是 Ubuntu 新手，最近进行了更新，之后 WiFi 和以太网无法正常工作，它们也没有显示在网络管理器中。
以下是sudo lshw -C network

sudo lshw -C network
 
 *-network UNCLAIMED
    description: Ethernet Controller
    product: AR8161 Gigabit Ethernet
    vendor: Qualcomm Atheros
    physical id: 0
    bus info: pci@0000:02:00.0
    version: 10
    width: 64 bits
    clock: 33MHz
    capabilities: pm pciexpreess msi misx bus_master cap_list
    configuration: latency=0
    resources: memory:c3300000-c333ffff ioport:2000(size=128)
 *-network UNCLAIMED
    description: Network Controller
    product: AR9485 Wireless Network Adapter
    vendor: Qualcomm Atheros
    physical id: 0
    bus info: pci@0000:03:00.0
    version: 01
    width: 64 bits
    clock: 33MHz
    capabilities: pm pciexpreess msi misx bus_master cap_list
    configuration: latency=0
    resources: memory:c3200000-c327ffff memory:c3280000-c328ffff
 *-network:0
    description: Ethernet Interface
    physical id: 3
    logical name: virbr0
    serial: 52:54:00:5a:fd:8b
    capabilities: ethernet physical
    configuration: autonegotiation=off broadcast=yes driver=bridge driverversion2.3 firmware=N/A ip=192.168.122.1 link=no multicast=yes
*-network:1 DISABLED
    description: Ethernet Interface
    physical id: 4
    logical name: virbr0-nic
    size: 10Mbit/s

答案1

使用 grub 菜单启动以前的内核并在终端中运行

sudo apt install linux-generic-hwe-20.04

然后重新启动。

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