No sound after upgrade to 13.10

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http://ubuntuforums.org – I've been running Ubuntu Server 13.04 for about six months, using an HDMI connection from my video card (NVidia) to a TV. Originally I had some issues with sound not working, but at the time an upgrade to a new kernel fixed it (I can't remember the version, though). I upgraded to 13.10 a couple of weeks ago and my sound broke again. I played around with all kinds of things, from updating video drivers to NVidia 331, to using daily alsa packages, to updating the kernel to 3.12. Still, no improvements. Today I finally reinstalled the OS in an effort to cleanup any mess I've made. So I have (Hardware)