OSX no longer recognizing built-in sound card?

Okay Ive searched but I can't find the answer anywhere.
My MBP wont play anymore sound from the built-in speakers, plugging in headphones doesnt work either. When I go to mu audio/MIDI setup, in output my built-in audio doesn't show up and under input the built-in mic doesnt show up either. Meaning it's not just the output but the input too, maybe its the soundcard? But on startup, it makes the "gong" sound im supposed to hear, so the soundcard and speakers are working fine, its just not being recognised as soon as OSX loads up. This is making me think it's a software thing.
It probably happened when I was trying to uninstall my DAW that wasn't working very well and I was being lazy so I might have deleted some wrong/important files that take care of this.
I've tried resetting PRAM, and deleting plists. Nothings worked. I have my timemachine backup but I need to know what specifically needs to be brought back to the past or i might end up messing things up more.
I appreciate any help
Thanks,
Diego

If your profile is correct you are running Lion so you don't have a DVD you use the recovery partition.
As long as you do an overwrite install and not a clean install (were you wipe the HD before installing) your files will remain only the system files will be written.
Having said that even though it is safe to do whenever you're doing something like this you should have a good current working backup just in case.
See OS X: About OS X Recovery - Support - Apple for information about using the recovert partition.

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Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
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VDec: using Planar YV12 as output csp (no 0)
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VO: [xv] 854x480 => 854x480 Planar YV12
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Last edited by w1ntermute (2009-06-28 18:40:03)

whoops wrote:Do you use the motherboard sound-card?
No.
whoops wrote:If not - did you try just turning it off in bios (or blacklisting the driver)?
No, I haven't tried that. I'll give it a shot. Thanks for the tip!
Last edited by w1ntermute (2009-07-02 18:11:53)

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Originally Posted by ReuelT
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