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Dell Vostro 5459（Ubuntu 16.04）上的 WiFi 已禁用

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Dell Vostro 5459（Ubuntu 16.04）上的 WiFi 已禁用
  • 戴尔 Vostro 5459
  • BIOS 版本 1.1.3
  • 安全启动已关闭
  • 内核版本：也尝试安装最新内核。尝试将文件 intel corporation 3160 wireless 复制到/lib/frameware

输出sudo lshw -C network：

*-network DISABLED      
   description: Wireless interface
   product: Wireless 3165
   vendor: Intel Corporation
   physical id: 0
   bus info: pci@0000:02:00.0
   logical name: wlp2s0
   version: 79
   serial: e0:94:67:b4:d5:a2
   width: 64 bits
   clock: 33MHz
   capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
   configuration: broadcast=yes driver=iwlwifi driverversion=4.15.11-041511-generic firmware=29.610311.0 latency=0 link=no multicast=yes wireless=IEEE 802.11
   resources: irq:129 memory:d5100000-d5101fff
*-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: 20:47:47:75:d2:4d
   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:124 ioport:d000(size=256) memory:d5004000-d5004fff memory:d5000000-d5003fff
*-network
   description: Ethernet interface
   physical id: 3
   logical name: enp0s20f0u3
   serial: 4e:1d:ca:50:7e:8e
   capabilities: ethernet physical
   configuration: broadcast=yes driver=rndis_host driverversion=22-Aug-2005 firmware=RNDIS device ip=192.168.1.156 link=yes multicast=yes

答案1

要启动已禁用的适配器，您可以使用以下命令：

sudo ifconfig wlp2s0 up

如果它告诉你，它被 rfkill 阻止了，你可以使用以下命令查看是否有东西被阻止

rfkill list

并使用

rfkill unblock all

答案2

就我而言，以上方法都不起作用。对我来说，解决办法是按下笔记本电脑上带有天线符号的按钮。通常是功能键所在的顶行上的按钮。

Wifi 默认处于启用状态，也许我不小心按到了该按钮（我的 Dell inspiron 7000 上的专用按钮，没有 FN 组合）。

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