I just want to add something to my last comment, as it was misleading.
The adapter stopped working again. After some exploration, I discovered
that my dual-boot with Windows 10 was messing up with the accessibility
to the WiFi.
Info here:
https://wireless.wiki.kernel.org/en/users/Drivers/iwlwifi
I had the same issue today (May 5th 2022), and the workaround proposed
by Giacomo Tazzari worked just fine.
Strangely, the adapter was working just fine after the Ubuntu 22.04
installation (earlier this week). So maybe some recent update caused the
issue.
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