[ubuntu] problem with HDA Intel - stac92xx analog

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http://ubuntuforums.org – A while ago I installed ubuntu linux on my laptop. On windows vista home premium everything works perfect ( I mean the hardware) but on the linux i don't hear any sound. It says that it uses a HDA Intel - stac92xx device. I tried to google it and found many similar problems and many solutions but non seem to work due to that I m not really good at working with linux and I don't know when they say for example to do "options snd-hda-intel enable_msi=1" in /etc/modprobe.d/alsa-base." Can someone help me please? Thanks! I have attached a photo of alsamixer with card info Attached Images Screenshot.png (214.4 KB) (Hardware)