Thanks for the tip! I did install hda-analyzer, but never ran it since other stuff came up. The sound thing wasn't such a huge issue, because I just play the music without headphones.
Another problem is that the laptop has a 2.1 sound system (or 4.1 maybe, I am not actually sure?) and the outputs are a bit wonky (which can, apparently, also be fixed/configured with hda-analyzer).
In short, the whole laptop is a mess. I imagine it will be fixed eventually by Linux sound drivers. I am still collecting data to open a bug report on kenrel.org, hoping it helps future people not having to go through all this… bullshit, for a lack of more apt expression.
Another problem is that the laptop has a 2.1 sound system (or 4.1 maybe, I am not actually sure?) and the outputs are a bit wonky (which can, apparently, also be fixed/configured with hda-analyzer).
In short, the whole laptop is a mess. I imagine it will be fixed eventually by Linux sound drivers. I am still collecting data to open a bug report on kenrel.org, hoping it helps future people not having to go through all this… bullshit, for a lack of more apt expression.