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My sound card is recognized and I have tried every troubleshooting tactic on https://help.ubuntu.com/community/SoundTroubleshooting and using all the tactics from No sound in Ubuntu 12.04. I just recently reformatted my computer to run only Ubuntu 12.04, before that I was running Windows and Ubuntu 11.10. My sound wasn't working then, and I thought reformatting my hard drive would have helped, but it didn't. Also, the sound works perfectly when I use my headphones or other auxiliary output device, but never when I want to use my computer speakers.

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Did you make sure the Speaker channel is not muted? Did you make sure the speakers are connected correctly? –  mikewhatever Feb 6 '13 at 18:44
    
@mikewhatever the speaker channel is not muted. The speakers are on 100%. Both of those above threads had me check that and, according to my system, the speakers are at full volume. –  Jonah Feb 6 '13 at 18:48
    
Please tell us what hardware you have (sound card). –  bodhi.zazen Feb 6 '13 at 19:29
    
@bodhi.zazen, When I type in lspci -v | grep -A7 -i "audio" I get lspci -v | grep -A7 -i "audio" 00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03) Subsystem: Lenovo Device 20f2 Flags: bus master, fast devsel, latency 0, IRQ 48 Memory at f2620000 (64-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: snd_hda_intel Kernel modules: snd-hda-intel As a response. I think that is how I was told to find out my what my sound card is... –  Jonah Feb 6 '13 at 20:07
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