Le 07/02/2021 à 16:27, Hendrik Boom a écrit :
> I've had boot-to-boot persistence of a different setting -- for my wifi
> device. Ony it wasn't the device with the memory, it was the BIOS. The
> effect was very similar, though.
>
> When I entered an area where wifi was forbidden I turned off my laptop's
> wifi using my OS's tool for doing so.
>
> The next time I turned on my laptop I couldn't turn it on again with
> that tool.
>
> It turned out that my OS had turned off the wifi by changing a
> BIOS-level setting, and when I turned it on the bios told the OS there
> was no such device when it tried to turn it on again.
>
> Frustrating until I figured out I had to use the BIOS to turn it on
> again.

On my "Elitebook" (and on my previous "Latitude") there is (was) a hard
button to toggle the wifi on/off.

I'm surprised manufacturers hide this functionality in a BIOS menu.

--     Didier