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我无法连接 Wi-Fi 或以太网

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我无法连接 Wi-Fi 或以太网

我的 Wifi 连接出现了问题，我以为是与 HP 笔记本电脑上的 Realtek 网络硬件有关，因此我尝试了一些在线修复方法，但最终根本无法连接。

我从 Ubuntu 16.04 升级到了 18.04（使用 USB 连接到我的手机），希望可以解决问题，但我的以太网控制器显示为无人认领

lshw-C 网络

  *-network UNCLAIMED       
       description: Ethernet controller
       product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:08:00.0
       version: 10
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix vpd bus_master cap_list
       configuration: latency=0
       resources: ioport:3000(size=256) memory:c0504000-c0504fff memory:c0500000-c0503fff
  *-network UNCLAIMED
       description: Network controller
       product: BCM43228 802.11a/b/g/n
       vendor: Broadcom Limited
       physical id: 0
       bus info: pci@0000:09:00.0
       version: 00
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress cap_list
       configuration: latency=0
       resources: memory:c0400000-c0403fff
  *-network
       description: Ethernet interface
       physical id: 2
       logical name: enp0s20u1
       serial: c6:b4:40:bb:52:e3
       capabilities: ethernet physical
       configuration: broadcast=yes driver=rndis_host driverversion=22-Aug-2005 firmware=RNDIS device ip=192.168.42.52 link=yes multicast=yes

我尝试根据此处丢失的固件进行修复Thinkpad T460 Wifi 无法使用

但它引发了错误

dpkg  -i linux-firmware*.deb
dpkg: warning: downgrading linux-firmware from 1.173.1 to 1.169.3
(Reading database ... 163898 files and directories currently installed.)
Preparing to unpack linux-firmware_1.169.3_all.deb ...
Unpacking linux-firmware (1.169.3) over (1.173.1) ...
Setting up linux-firmware (1.169.3) ...
update-initramfs: Generating /boot/initrd.img-4.15.0-24-generic
update-initramfs: Generating /boot/initrd.img-4.15.0-23-generic

HP-ProBook-430-G2:~/Downloads$ sudo modprobe -r iwlwifi && sudo modprobe iwlwifi
rmmod: ERROR: missing module name.
modprobe: FATAL: Error running remove command for iwlwifi

请问有什么想法吗？

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