Turn off screen mac air

Lift the lid and it should stay off. You can use the trackpad and keyboard in this way as well.

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That said, be sure to attach an external keyboard and mouse first. Then, find a small magnet from your fridge. Connect the external display to your MacBook, slide the magnet around the outside lip of the MacBook screen until it goes right to sleep. Once it goes to sleep, press any key on the external keyboard you connected up, and the MacBook should display only on the external monitor.

How Do I Disable Hot Corners In Mac OS X?

This is of course more dangerous than just closing and re-opening your MacBook when connected to an external display, but that trick no longer works that well in OS X Mountain Lion. Have fun dissipating heat and using your graphics chip to its highest ability, and let us know in the comments what your favorite tip is. Got an OS X tip? Need help troubleshooting OS X?

The lid is closed, external works well. I think This is because of lack of graphic performance. How do I use clamshell mode opening lid turn screen off? Name required.

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Reproduction without explicit permission is prohibited. Enter your email address below: Posted by: January 14, at 6: January 14, at 7: January 14, at Michael says: Martin says: Paster says: January 14, at 2: Tim a says: January 14, at 1: T says: January 14, at 3: Simultaneously press Control-Shift-Eject. If you don't have an eject key, press Control-Shift-Power. Method 2.

Go to System Preferences. Activate the hot corner you selected by moving your mouse to the corner of the screen you selected. In the example above, you would move the cursor to the bottom right of the screen and leave it there for a few seconds.

Tip: quickly turn off your Mac's screen with this handy keyboard shortcut

The screen would then turn off. There will be a button in the bottom-right corner of the window next to the? Click on it.

A small window will pop up with four lists. Change each to the "-" setting, which will disable any hot corners you may have set up. Yes No. Not Helpful 0 Helpful 1.