I was trying to move a full screen app from my external monitor to the macbook screen after activating mission control by dragging and dropping. The app was not moved across screen. Instead only a silhouette was caught on the macbook screen. I managed to move the full screen app over after a second trial but the silouette from mission control is stuck on the macbook screen and blocking the top left part of the screen.

Please see the attached screenshot fyi.

How do I get rid of the silhouette?

silhouette covering safari

silhouette covering desktop

  • A restart of your computer will do it.
    – owlswipe
    Feb 20, 2017 at 16:32

1 Answer 1


Mission Control is part of the Dock process. Restart the Dock to fix it.

killall Dock
  • Do I relaunch finder to restart the dock?
    – Victor Yip
    Feb 22, 2017 at 10:46
  • @Victor No, the line I provided restarts the Dock. Run the command in Terminal.
    – grg
    Feb 22, 2017 at 11:35

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