Tip: You can require one or more keys to be pressed while the mouse cursor is in the corner for the display to be turned off hold down the desired key or keys ( Command, Control, Option, Shift and any combination) while selecting the Put Display to Sleep from the corner action’s menu.

Now pick a corner to turn off the screen and select Put Display to Sleep for that corner.

Make sure you are on the Screen Saver tab.

Open the Desktop & Screen Saver category.

Select System Preferences… from the Apple ( ) menu.

To set up a corner on the screen to turn off the display: Ready to go to sleep now but your Mac apparently is not? How to find out why your Mac Is not going into sleep mode Use a Hot Mouse Corner to Turn Off a Mac’s Screen Note: Merely moving they mouse pointer or touching the trackpad will not turn on the screen.

Press and key, click a mouse button or tap on a trackpad to wake the screen again.

No Eject key: If you find no Eject key on your Mac’s keyboard, you can use hot corners to black out the screen using mouse or trackpad or set up a custom keyboard shortcut see below. Which key: The Eject key usually shows ⏏. To quickly turn off your Mac’s screen at any time with a keyboard shortcut:

Turn off remote mac