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macOS Sierra users: 

If you are having crashes while using Duet and Expose, Mission Control or other macOS actions, macOS Sierra update 10.12.2 has fixed this crash. Please update to the latest Duet Mac app as well.

Duet should only have temporarily disabled Mission Control while you were connected, but if for some reason this remained disabled you can manually enable it with these steps:

Restore Mission Control to default settings

To re-enable Mission control by inputting these commands on Terminal:- defaults write com.apple.dock mcx-expose-disabled -bool false

- defaults write com.apple.dashboard mcx-disabled -boolean NO

- killall Dock

After doing so, Mission Control should work again. 

OS X El Capitan and Yosemite users:

Some customers are reporting that using the OS X actions Expose and Mission Control logged them out of their OS X session.

We have an immediate workaround for El Capitan and Yosemite users to prevent further crashes by turning off the animation.

Turn off the animation

To turn off the animation, open Terminal and type two commands:

  • defaults write com.apple.dock expose-animation-duration -float 0
  • press enter
  • killall Dock
  • press enter

Restore the animation to default settings

If at anytime you want to return the animation to default settings, type these two commands in Terminal:

  • defaults delete com.apple.dock expose-animation-duration
  • press enter
  • killall Dock
  • press enter

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