device is not detecting sound output

sound is not working on my mac air .Suddenly device stopped detecting sound output .what to do

MacBook Air 13", macOS 10.13

Posted on Dec 31, 2019 04:59 AM

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Posted on Dec 31, 2019 09:37 AM

Reset should help......Reset NVRAM or PRAM on your Mac - Apple Support

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device is not detecting sound output

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