How to use Hot Corners on MacThe most common use of hot corners is to trigger a screen saver. Here's how to do it.
If you're a baseball fan, you know that third base is known as the hot corner--because of how a sizzling ground ball can make a subpar third baseman look like he's playing dodgeball rather than baseball.
Not to be outdone, the Mac has four hot corners, one in--surprise!--each corner of the screen. You can use these hot corners to accomplish tasks with the flick of a finger that might otherwise require a more precise clicking of a dock icon or burrowing through a couple of levels of system preferences.
How to set up a hot corner to trigger the screen saver
From the Apple menu, choose System Preferences.
Click Desktop and Screen Saver.
Click the Screen Saver tab.
Click Hot Corners....
In the sheet that appears, click any of the pop-up menus and choose Start Screen Saver.
Now when you move the pointer to the corner you've chosen—it's quick and easy to do—your screen saver of choi...
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How to use Hot Corners on Mac
