Re-activate the Shutdown Dialog

When you press the power button (approx 1 second) on a Mac installed with OS X Mavericks or Yosemite the Mac falls into sleepmode. You can disable the power button’s directly sleep mode and have the ‘old’ shutdown dialog appearing instead, open OS X Terminal window and enter:

defaults write com.apple.loginwindow PowerButtonSleepsSystem -bool no

To undo, simply change ‘no’ in to ‘yes’

defaults write com.apple.loginwindow PowerButtonSleepsSystem -bool yes

The shutdown dialog:

Schermafbeelding 2014-10-21 om 15.53.17