Steps I'm doing:

  1. 4 Fingers up to open Mission Control
  2. Dragging any app to the top (e.g. Finder)
  3. Nothing is happening it is not going full screen.

Did I do something wrong on settings and never noticed? I cycled through many boots it seems like a permanent thing.

How can I fix this?


This can be solved by enabling Displays have seperate spaces in System Preferences (Found under Mission Control). Then logout and log back in to apply the setting.

Image of the Setting

  • 1
    It’s helpful if you put instruction on how to get to those settings an/or adding a screen capture of the window with the settings.
    – Allan
    Jun 2 '20 at 9:24

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