☰

Ubuntu 18.04 重启后无法检测到 Wifi 卡

tag-icon • tag-icon wireless 18.04
Ubuntu 18.04 重启后无法检测到 Wifi 卡

在 ubuntu 18.04 上重新启动后，我的网络适配器不可用：我收到以下消息：未找到 Wifi 适配器在设置中。

我已经尝试过了解决方案，但它不起作用。我的机器是联想 Legion Y520，其结果sudo lshw -C network如下：

*-network                 
   description: Wireless interface
   product: Dual Band Wireless-AC 3165 Plus Bluetooth
   vendor: Intel Corporation
   physical id: 0
   bus info: pci@0000:02:00.0
   logical name: wlp2s0
   version: 99
   serial: e4:70:b8:85:ba:2e
   width: 64 bits
   clock: 33MHz
   capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
   configuration: broadcast=yes driver=iwlwifi driverversion=4.15.0-38-generic firmware=29.1044073957.0 latency=0 link=no multicast=yes wireless=IEEE 802.11
   resources: irq:136 memory:a4300000-a4301fff
*-network
   description: Ethernet interface
   product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
   vendor: Realtek Semiconductor Co., Ltd.
   physical id: 0
   bus info: pci@0000:03:00.0
   logical name: enp3s0
   version: 10
   serial: 54:e1:ad:eb:a7:e7
   size: 10Mbit/s
   capacity: 1Gbit/s
   width: 64 bits
   clock: 33MHz
   capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
   configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl8168g-3_0.0.1 04/23/13 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
   resources: irq:19 ioport:3000(size=256) memory:a4204000-a4204fff memory:a4200000-a4203fff
*-network:0
   description: Ethernet interface
   physical id: 3
   logical name: enp0s20f0u2
   serial: 9a:6b:7f:ea:db:b0
   capabilities: ethernet physical
   configuration: broadcast=yes driver=rndis_host driverversion=22-Aug-2005 firmware=RNDIS device ip=192.168.42.122 link=yes multicast=yes
*-network:1
   description: Ethernet interface
   physical id: 4
   logical name: docker0
   serial: 02:42:b3:63:38:bb
   capabilities: ethernet physical
   configuration: broadcast=yes driver=bridge driverversion=2.3 firmware=N/A ip=172.17.0.1 link=no multicast=yes
*-network:2
   description: Ethernet interface
   physical id: 5
   logical name: br-e0c0b5a11b0f
   serial: 02:42:10:5c:ab:39
   capabilities: ethernet physical
   configuration: broadcast=yes driver=bridge driverversion=2.3 firmware=N/A ip=172.19.0.1 link=no multicast=yes
*-network:3
   description: Ethernet interface
   physical id: 6
   logical name: br-cd1d359cf403
   serial: 02:42:4d:59:ea:81
   capabilities: ethernet physical
   configuration: broadcast=yes driver=bridge driverversion=2.3 firmware=N/A ip=172.18.0.1 link=no multicast=yes

答案1

找到了之后，我必须使用以下命令重新启动飞行员：

sudo rfkill list和sudo modprobe -r ideapad-laptop

相关内容