[Trisquel-users] Re : HP DC7800P with NVidia Geforce 210 always switches to HDMI sound out instead of integreated audio.

[magicbanana]

What about physically removing the nVidia card? Not only you will have the  
sound passing through the Intel chipset but you will save energy and may even  
have better graphical performance (Intel graphical chipsets being perfectly  
handled by Linux-libre, unlike nVidia's)!