Speakers not working after Big Sur upgrade

Hi,

Resetting NVRAM could solve the sound related issues.

Reset NVRAM or PRAM on your Mac - Apple Support

If it doesn't help, try to run Apple Diagnostics if it reports sound related errors, VFF001, VFF002, and VFF003.

Use Apple Diagnostics to test your Mac - Apple Support

Hey Brentleberry,

After reviewing your post, we see that the speakers on your Mac are not working after updating to macOS Big Sur.

We'd recommend following over the steps outlined in the article below:

• If the internal speakers on your Mac aren't working

After reviewing those steps, if you still don't see any options under Output, we'd recommend reaching out to Apple Support directly.

• Get Support

Cheers!