:: Re: [DNG] Synaptics Touchpad Fn+F9
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Autor: Olaf Meeuwissen
Fecha:  
A: Didier Kryn
Cc: dng
Asunto: Re: [DNG] Synaptics Touchpad Fn+F9
Hi Didier, list,

Didier Kryn writes:

> 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.


Same thing on my Libreboot T400 (refurbished Lenovo T400). Real nice to
have a physical kill switch if you want to turn of WiFi in a hurry.

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


Doing so via a BIOS menu is a bit cumbersome to say the least. Perhaps
the `rfkill` package can help if you don't have a physical kill switch.

Hope this helps,
--
Olaf Meeuwissen, LPIC-2            FSF Associate Member since 2004-01-27
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