I accidentally pressed some key combination that caused Batman: Arkham City to enter fullscreen mode from borderless windowed mode. Because I don't know what key combination caused it, I restarted the game to fix it, which is tedious. What caused Arkham City to do this? What key combination?

  • 5
    Alt and enter perhaps?
    – TZHX
    Aug 24, 2014 at 19:15
  • @TZHX Yup, that's it. Perhaps I should rephrase the question to be more general?
    – NiteCyper
    Aug 25, 2014 at 3:01
  • 2
    Most Direct3D 10 and 11 games should support ALT-Enter to switch between windowed and full screen mode, as it's handled by Direct3D. Some Direct3D 10/11 games may choose disable this however. Games using Direct3D 9 or earlier have to handle ALT-Enter themselves, making it less commonly supported with these games.
    – user86571
    Sep 7, 2014 at 13:56

1 Answer 1


Alt+Enter (at least on the Windows OS). This answer is not trivial, this answer is not trivial, THIS ANSWER IS NOT TRIVIAL!

  • Could you please mark this answer as correct then?
    – Sentry
    Feb 11, 2015 at 0:15
  • > This answer is not trivial ???
    – Gal
    May 23, 2015 at 23:03
  • @Gal I think I added that because without those, the system thinks that the answer is too small and doesn't allow it to be posted.
    – NiteCyper
    May 24, 2015 at 13:07

You must log in to answer this question.

Not the answer you're looking for? Browse other questions tagged .