There are many MacBook users who have encountered issues with their keyboards at least once. The error relates to the older butterfly keyboards. One of the most common causes for the mac keyboard stopping working issue is dust and other contaminants. If you have a MacBook with a butterfly keyboard, so the smallest amount of dust can cause problems. Listed below are some other causes that may be contributing to the not working MacBook keyboard issue.
Dust and other contaminants
Incorrect software settings
Problematic apps
Bugs and glitches
Broken hardware
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