devices missing

[Colin Law]

On Fri, 22 Oct 2021 at 13:42, Alfredo De Luca <alfredo.deluca at gmail.com> wrote:
>
> Hi Ian. Thanks but actually when I choose a previous kernel it works perfectly fine so I guess that kernel has a broken package....
> I will post the error  I got when I try to fix the package.

Check that the firmware (BIOS) on the laptop is up to date.  Problems
like this may be caused by a kernel upgrade showing up a bug in the
firmware.

Colin