I have carried out all of the suggestions, and there is no change. in
Gnome-Alsa Mixer there is no front headphone socket displayed, all the
Sound card elements were already checked, nothing was muted,
everything was as you say, and the hardware works correctly under
Windows.
Thanks for the help,
P
Thanks for the help, but so far no change.
I ran the three lines of code:
sudo add-apt-repository ppa:ubuntu-audio-dev/ppa
sudo apt-get update
sudo apt-get install linux-alsa-driver-modules-$(uname -r)
Alsamixer remains the same (Item: Headphone [db gain 0.00 0.00], and
the graphical representati
