I've had a Linux installed on my Dell XPS laptop for 2 years and it has suddenly stopped recognising any Wifi Networks.
In Settings > Networks the options are:
Wired
VPN
Network Proxy
More Info:
$ 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
and
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 - Thanks! Edit uname -r 4.15.0-23-generic
David Foeerster- dpkg-query -Wf '${Status;1} ${Package}\n' linux-* | sed -ne 's/^i //'
Nothing happens
Edit: Elder Geek suggestion:
sudo modprobe wl modprobe: FATAL: Module wl not found in directory /lib/modules/4.15.0-23-generic
uname -r
Welcome to Ask Ubuntu.dpkg-query -Wf '${Status;1} ${Package}\n' linux-\* | sed -ne 's/^i //'
? Thanks.