我的戴尔 XPS 笔记本电脑上安装了 Linux 已有 2 年,但它突然无法识别任何 Wifi 网络。
在“设置”>“网络”中,选项包括:
Wired
VPN
Network Proxy
更多信息:
$ sudo lshw -C network
*-network UNCLAIMED
description: Network controller
product: BCM4352 802.11ac Wireless Network Adapter
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:02:00.0
version: 03
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: latency=0
resources: memory:f7200000-f7207fff memory:f7000000-f71ffff
和
Network controller: Broadcom Corporation BCM4352 802.11ac Wireless Network Adapter (rev 03)
$ iwconfig
lo no wireless extensions.
enp0s20u1c4i2 no wireless extensions.
$ grep -R brcm /etc/modprobe.d
/etc/modprobe.d/blacklist-bcm43.conf:blacklist brcm80211
/etc/modprobe.d/blacklist-bcm43.conf:blacklist brcmfmac
/etc/modprobe.d/blacklist-bcm43.conf:blacklist brcmsmac
Chilli555 - 谢谢!编辑 uname -r 4.15.0-23-generic
David Foeerster- dpkg-query -Wf '${Status;1} ${Package}\n' linux-* | sed -ne 's/^i //'
什么都没发生
编辑:Elder Geek 建议:
sudo modprobe wl modprobe:严重错误:在目录 /lib/modules/4.15.0-23-generic 中未找到模块 wl
答案1
尝试:
sudo systemctl restart network-manager
有时 WiFi 会中断,重新启动会有所帮助。