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    Upgrading to Ubuntu 20.04.1 LTS from Ubuntu 18.04 LTS resulted in a lost internet connection

    I upgraded from 5.4 to 5.11 kernel version and now it works all, the WIFI, the Ethernet, the screen brightness and volume keys of the notebook. However I had to do one of the following things: disable the secure boot, or sign the kernel. I opted to do the first one first, then once with the...