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No output sound after updating to windows 10 version 20H2

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HP 620
Microsoft Windows 10 (64-bit)

I have been looking for assistance all over the internet but still i cant find it. Everything appears normal in my computer but there is no output sound, how can i fix the issue?

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The only suggestion I can offer, would be to see if this W10 IDT audio driver gets the sound to work again.


Restart the PC after installing the driver.



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I had the same issue. For me, the issue was Bang & Olufsen audio control. Open that and enable multistreaming. 

After that make sure to to select correct playback device (speakers or headphones) in Windows Audio settings and sound should be working fine.

I hope that works for you.

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