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Ubuntu 20.04 LTS WiFi 扩展器不工作

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Ubuntu 20.04 LTS WiFi 扩展器不工作

我的 Ubuntu 20.04 无法连接到 wifi 扩展器。它可以连接到 wifi。到目前为止，我已经尝试了这些：

iwconfig
lo        no wireless extensions.

enp2s0    no wireless extensions.

wlp3s0    IEEE 802.11  ESSID:off/any  
          Mode:Managed  Access Point: Not-Associated   Tx-Power=off   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:on
          
docker0   no wireless extensions.

bnep0     no wireless extensions.

和 ：

sudo lshw -C network
[sudo] password for amit: 
  *-network                 
       description: Ethernet interface
       product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: enp2s0
       version: 15
       serial: 0c:9d:92:2f:86:f2
       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 driverversion=5.13.0-52-generic firmware=rtl8168h-2_0.0.2 02/26/15 latency=0 link=no multicast=yes port=twisted pair
       resources: irq:16 ioport:d000(size=256) memory:ef304000-ef304fff memory:ef300000-ef303fff
  *-network DISABLED
       description: Wireless interface
       product: Wireless 8265 / 8275
       vendor: Intel Corporation
       physical id: 0
       bus info: pci@0000:03:00.0
       logical name: wlp3s0
       version: 78
       serial: b4:6b:fc:76:dc:2a
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=iwlwifi driverversion=5.13.0-52-generic firmware=36.77d01142.0 8265-36.ucode latency=0 link=no multicast=yes wireless=IEEE 802.11
       resources: irq:139 memory:ef200000-ef201fff
  *-network
       description: Ethernet interface
       physical id: 1
       logical name: bnep0
       serial: b4:6b:fc:76:dc:2e
       capabilities: ethernet physical
       configuration: broadcast=yes ip=192.168.44.111 multicast=yes

我之前用过 Ubuntu 18.04，它崩溃了。检索数据后，我安装了 Ubuntu 20.04，几天后又开始出现这种情况。WiFi 扩展器和中继器在 Ubuntu 18.04 上工作正常，但现在不行了。

根据建议我运行了 rfkill list 命令：

(base) amit@amit-X705UDR:~$ rfkill list
0: hci0: Bluetooth
    Soft blocked: yes
    Hard blocked: no
1: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no

请为我提供解决问题的建议。向大家问好。

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