[other] Microphone not working on Maya with Compaq 6720s

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http://ubuntuforums.org – Hi, I recommended Linux Mint 13 to a friend, installed it and I am fighting with microphone on HP Compaq 6720s. It doesn't work at all - not only in Skype. Sound recording only gives some buzzing. I already tried: 1) Removing pulseaudio and pavucontrol by purge - the only effect was - I wasn't able to change sound settings at all :/. 2) pulseaudio -k / -D - not working - it said "deamon couldnt be started) 3) I was trying to set input to ALSA in sound setting - no effect. 4) Tried to mute one of channels in pavucontrol. One thing I noticed is that I am not able to change volume of &quo (Hardware)