Ubuntu 12.04 HP dv7-3170 with Codec: IDT 92HD75B3X5 i solved this problem by adding the following line to alsa-base.conf options snd-hda-intel model=hp-dv5 enable_msi=1 yesterday after applying ...
I'm using an hp dv4 running ubuntu 11.10. The sound is fine when the speaker is on and the volume control works fine too. But when i plug in the headphones, the sound gets muted. Even if i change the ...