A hot corner is a corner of the display where if the cursor is left there a predefined action occurs (such as starting a screensaver or putting the display to sleep).

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How to restart Windows top-left and top-right corner navigation?

"Corner navigation" has been working fine all along, but suddenly it stops working. Nothing happens when the mouse is pointed to the top-left nor the top-right. "PC and devices → Corners and ...
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Mac “show desktop” logs me out and restarts applications

I have set my macbook (OSX 10.10.3) to use the upper right corner of my display as a hot corner to show the desk top. Recently when I move my mouse to the upper right corner of the screen it does not ...
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How to disable the Start menu hot corner (bottom-left) in Windows 8

In Windows 8/8.1, when you mouse to the bottom-left corner of a screen, the Start Menu hint appears, even if you are on a monitor without a taskbar, or in a fullscreen application. How do you disable ...
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675 views

Win 8.1 charms icons off center

When I swipe from bottom corner, icons in charms are much lower, than it was on W8. Swiping from top corner pulls them up. However if I press Win+R, they are in center. This isn't happening on some ...
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“Put display to sleep” hot corner not working

Does "put display to sleep" hot corner require some other specific settings? All hot corners work perfectly except for this one. Instead of putting the display to sleep it dimms the keyboard. What's ...
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How do I set a hot corner in Windows 7?

I have a dual monitor setup on my Windows 7 box at work. I'd like to know how (if possible) I can set a hot corner to start the screensaver or put the display to sleep?