Hi, I use a notebook Acer Aspire 4830TG with LMDE, and initially I could hear no sound. I solved, partially, the problem installing hda-analyze following the instructions at this page:
and, as suggested in some thread (I don't remenber which), going on Node[0x1b] PIN and checking EAPD, closing giving "No" on the following dialog, the sound starts functioning. The problem is that the sound keeps working only until the first reboot. When I reboot the second time I have to repeat all the operatios I described and I wonder if there is a way to prevent this modification from disappearing.