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by tomduncalf 1859 days ago
This matches my feeling that it’s a post-Big Sur upgrade issue, which makes me hope it can be fixed.

Has anyone spoken to Apple Support regarding this?
1 comments
tomduncalf 1858 days ago
See my other update: https://news.ycombinator.com/item?id=27254237.

I did a clean install of Catalina and same issue persisted so I think I have a hardware fault.

link