Audio not working after I format from win8 to win7

product no:C0V01EA#ABU
Model:hp envy sleekbook 6-1126sa
Memory: 4096MB RAM
Processor: AMD A6-4455M APU ith Radeon (2CPUs) 2.1GHz
Hello, I have a problem I was unable to solve. I formated my pc from win8 to win 7 64bit , I installed all the drivers but my audio is not working . I would be glad if you can help me solve this problem.
Above is my product and model number.

Hi:
Please see if this driver works for you...
http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=ob-107001-1&cc=us&dlc=en&lc=en...

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drwxr-xr-x 2 root root 60 Oct 29 00:38 by-path
crw-rw----+ 1 root root 116, 5 Oct 29 00:38 controlC0
crw-rw----+ 1 root root 116, 4 Oct 29 00:38 hwC0D0
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Thanks Rasi. Incidentally, I just solved the issue a few minutes ago and was about to post the answer, but yes, you are right... the device was muted. It's embarrassing, but it did not seem obvious to me that the device was muted... All the sliders seemed OK, with nice, green values between 50 and 100. Also, the LXDE volume control was unmuted with a value between 50% and 100%, and I ran the 'amixer sset Master unmute' command several times. Clearly, this command does not do the job.
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http://forums.macrumors.com/showthread.php?t=1104755
A suggested fix is to try this:
Easy fix, just go into Audio MIDI Setup and change the output format to 2-ch 32-bit float and then it will stick and you won't have any issues from then on. I suspect that there is something wrong with the default (16-bit) mode that bugs out.
However, in my install on an older Macbook Pro 15", I don't have 16-bit sound available. But perhaps it will work for you.

Applications not working after resetting macbook from external hard drive

I installed Snowleopard a few weeks ago. Everything was working fine, though a bit slow for a while, I figured it was just because I have had the computer for a while, but about a week ago it shut down and wouldn't restart. It would go to the login page where i would type in my password but wouldnt log in to my desktop. I did what apple suggested on their website and reset everything and restored my computer settings from the time machine backup on my external hard drive and reinstalled snow leopard with the install dvd. Everything was seemingly back to normal, but now most of my applications are not functioning correctly. I can't use isight with skype (though it works with photobooth), I can't import photos from my camera to iphoto, imovie won't even open (displays "imovie quit unexpectedly" and other things of this nature.
Since seeing that multiple applications are not functioning correctly, I kind of figure that its not an isolated problem with just one application but maybe something wrong with my OS since I reinstalled it? I've tried resetting my PRAM and NVRAM but that hasn't made any noticeable change at all.
I'm about ready to give up and take it in somewhere to be looked at unless someone can give me some good advice on how I can fix it myself? All suggestions appreciated.
Thanks

I realize this post is from quite some time ago, but it showed up as relevant in my own search to resolve this problem. So hopefully my answer will be equally visible and thus helpful.
Select the movie file within iTunes (not the actual file(s) in the finder) and drag it to the desired location on your external hard drive. While doing so, you'll notice an indicator showing that you're in fact moving two files: the movie (m4v) file and the associated Extras (ite) file.
The first time I attempted this process, I selected the files within the Finder and dragged them to the external hard drive. I was able to play the movie itself from this location, but the Extras wouldn't play. After spending a considerable amount of time searching for a solution I tried the afore mentioned and it worked.
No promises, but hopefully this will work for some of you out there and save you some time and frustration.
Signing off...
~B

Audio not working after I format from win8 to win7

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