[64 bit] Intel hda Realtek ALC269VC audio jack very low volume/not working

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http://ubuntuforums.org – I have a Samsung laptop with Ubuntu 11.10 64 bit installed and cannot seem to get the audio card to work properly; internal speakers work just fine but when I plug in my headphones the speakers don't get muted. If I select the headphones as output in the volume panel, the internal speakers are muted but the headphones only have a very faint sound (barely noticeable). I have tried a lot of the "options snd-hda-intel model=xyz" in /etc/modprobe.d/alsa-base.conf; basic, quanta, laptop-amic, samsung, auto, laptop, laptop-eapd, +ultra, samsung, samsung-p50, mobile Of these, "sa (Hardware)