Re: Wireless Adapter broken after kernel patch update.
sudo apt install firmware-b43-installer
sudo apt install --reinstall backport-iwlwifi-dkms
One is for Broadcom wireless devices and the other is for Intel. I doubt that you have both. As well, the iwlwifi-backport package installs its own versions of cfg80211 and mac80211 which do not work with, for instance, b43 ('b' is for Broadcom).
Let's find out what you really have and fix it from there. Please run and post:
Code:
lspci -nnk | grep 0280 -A3
sudo dkms status
sudo dmesg | grep iwl
"Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, B.Sc., M.Sc., M.A., Ph.D., Sc.D.
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