Marc, maybe if you compare the output from alsa-info.sh[1] of your daughter's PC to the other two you could spot a package omission or some discrepancy? If you can't, maybe run pastebinit for us to see it?
[1] https://www.alsa-project.org/main/index.php/Help_To_Debug -- "The wise are known for their understanding, and pleasant words are persuasive." Proverbs 16:21 (New Living Translation) Team OS/2 ** Reg. Linux User #211409 ** a11y rocks! Felix Miata *** http://fm.no-ip.com/