Mission Control isn't working on my Mac. I've tried killing the Dock through Terminal and Activity Monitor multiple times, but nothing seems to be working. Even shortcuts or Hot Corners don't work anymore.

What do I do?

  • Have you rebooted your Mac? – Mike Scott Oct 13 '18 at 9:44
  • Have you tried restarting the Finder? – Natsfan Oct 13 '18 at 17:26

This was happening to me for a long time and I did some research and found out how to fix it. Go into terminal and run the following commands.

defaults write com.apple.dock mcx-expose-disabled -bool FALSE
killall Dock

This should fix all of your problems.

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