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In the KDE 4 Desktop Effects dialog, I can see these switch effects:

  • Box Switch
  • Cover Switch
  • Flip Switch

But no matter which one I choose, when I press Alt+Tab, the switch effect is always the same. How to fix this?

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Perhaps you need to restart KDE for the changes to take effect. – terdon Feb 26 '13 at 16:31

You should restart Plasma, or symply reboot your computer for changes to take effect. (logout and relogging may also work)

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Of course I tried to restart KDE, restart PC...none works :( – davidshen84 Feb 26 '13 at 23:51

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