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 '17 at 16:32

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

killall Dock
| improve this answer | |
  • Do I relaunch finder to restart the dock? – Victor Yip Feb 22 '17 at 10:46
  • @Victor No, the line I provided restarts the Dock. Run the command in Terminal. – grg Feb 22 '17 at 11:35

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