我最近进行了安全和固件更新。从那时起，Wi-Fi 下就没有网络了。
以下是输出sudo lshw -C network
*-network:0
description: Wireless interface
product: Cannon Point-LP CNVi [Wireless-AC]
vendor: Intel Corporation
physical id: 14.3
bus info: pci@0000:00:14.3
logical name: wlan0
version: 30
serial: d8:3b:bf:b1:dd:b6
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=5.11.0-25-generic firmware=46.6b541b68.0 9000-pu-b0-jf-b0- latency=0 link=no multicast=yes wireless=IEEE 802.11
resources: irq:16 memory:9143c000-9143ffff
*-network:1
description: Ethernet interface
product: Ethernet Connection (6) I219-V
vendor: Intel Corporation
physical id: 1f.6
bus info: pci@0000:00:1f.6
logical name: eno2
version: 30
serial: 34:48:ed:2f:ed:82
capacity: 1Gbit/s
width: 32 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=5.11.0-25-generic firmware=0.5-4 latency=0 link=no multicast=yes port=twisted pair
resources: irq:128 memory:91400000-9141ffff
*-network
description: Ethernet interface
physical id: 2
logical name: veth546fd3f
serial: 2e:b2:ed:15:39:c5
size: 10Gbit/s
capabilities: ethernet physical
configuration: autonegotiation=off broadcast=yes driver=veth driverversion=1.0 duplex=full link=yes multicast=yes port=twisted pair speed=10Gbit/s
我尝试升级到最新的软件包，但没有任何帮助。
输出uname -a
Linux Latitude-5400 5.11.0-25-generic #27~20.04.1-Ubuntu SMP Tue Jul 13 17:41:23 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
