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WiFi 已禁用，无法在 Ubuntu 18.04 中打开

tag-icon • tag-icon dual-boot 18.04 wireless iwlwifi
WiFi 已禁用，无法在 Ubuntu 18.04 中打开 
    deshiyan@aspkv:~$ sudo lshw -C network 
  *-network DISABLED        
       description: Wireless interface
       product: Realtek Semiconductor Co., Ltd.
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: wlo1
       version: 00
       serial: 5c:ba:ef:13:1a:2f
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=rtw_pci driverversion=5.4.0-42-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11
       resources: irq:56 ioport:e000(size=256) memory:f7800000-f780ffff
  *-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: eno1
       version: 16
       serial: bc:e9:2f:fd:aa:60
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 firmware=rtl8168h-2_0.0.2 02/26/15 latency=0 link=no multicast=yes port=MII
       resources: irq:49 ioport:d000(size=256) memory:f7704000-f7704fff memory:f7700000-f7703fff
  *-network
       description: Ethernet interface
       physical id: 2
       logical name: enp4s0f3u3
       serial: ee:22:5e:46:3e:f1
       capabilities: ethernet physical
       configuration: broadcast=yes driver=cdc_ether driverversion=22-Aug-2005 firmware=CDC Ethernet Device ip=192.168.225.23 link=yes multicast=yes

这是消息，第一个是禁用。

答案1

我换了不同的 wifi 驱动程序，但我认为这个问题是一样的。我按照以下链接中的说明解决了这个问题如何在 Ubuntu 18.04 上为 Realtek RTL8821CE 安装 Wi-Fi 驱动程序？

您还可以检查您的驱动程序是否有源代码，以便您自行安装。

干杯!

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