Sound card issues (High Definition Audio Controller)

Posted by Prakash R on Super User See other posts from Super User or by Prakash R
Published on 2012-11-18T16:48:44Z Indexed on 2012/11/18 17:06 UTC
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windows-7

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sound-card

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acer-aspire

I have a 5-year-old Acer Aspire 4520. Until a month back it was working beautifully on Windows 7 32bit. But then out of the blue, the sound stopped working. I've tried reinstalling the OS 3-4 times. The sound came back a couple of times, but it stopped working after a reboot. Even after installing the sound drivers, I don't see any entry in the Playback tab of the Sound applet in Control Panel.
I see a High Definition Audio Controller entry in Device Manager. I disabled and uninstalled it, but Windows reinstalls it automatically. I'll share specific hardware details if anybody here needs to know. The processor is "AMD Athlon(tm) 64 X2 Dual-Core Processor TK-55".

Any help would be appreciated.

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