Is there a command for refreshing the Display Settings? Or, in specific, refreshing the Desktop Wallpaper?


You could try restarting dock which, amongst many things, draws the wallpaper on the desktop. But be careful; as dock also controls a lot of window management apps may 'un-minimise' or un-hide and windows. As dock also controls Mission Control, you won't be able to change spaces or go into Mission Control until dock restarts again (which is mostly instantly).

From terminal, try:

killall Dock
  • Thanks; didn't think it would do the trick -- but it did.
    – konzepz
    Nov 27 '11 at 12:44
  • Any idea how to refresh the Login wallpaper?
    – Paul Mung
    Oct 4 '16 at 21:55

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