Hot Corners Stopped Working

Strange, up until yesterday my hot corners were so sensitive I was constantly activating them accidentally; now they are not activating at all.
System Prefs>Desktop & Screensaver>Hot Corners is not doing it for me! Reboot?

Hi David!
That sounds really strange. Can you think of anything you might have done/changed on you mac before the hot corners stopped working? Any new applications installed, for example?
Maybe a resart might work, if you haven't done that already. Also, try using Disk Utility (found in HD>Applications>Utilities) to "Verify Disk Permissions" and "Repair Disk Permissions" on your Hard Drive. That might sort out any little bugs which might be stopping your hot corners from working.
I take it, that your 'Hot Corners' Preferences are properly set to what you want? What ahppens if you put them back to "Nothing", restart and then put them onto what ever triggers you want?
I hope that helps!

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    Back up all data.
    Triple-click anywhere in the line below on this page to select it:
    ~/Library/Preferences/com.apple.dock.plist
    Right-click or control-click the line and select
    Services ▹ Reveal in Finder (or just Reveal)
    from the contextual menu.* A folder should open with an item selected. Move the selected item to the Desktop, leaving the window open. Log out or restart the computer and test. If there's no change, put the item you moved back where it was, overwriting the one that may have been created in its place. Log out again. Otherwise, delete the item you moved.
    *If you don't see the contextual menu item, copy the selected text to the Clipboard by pressing the key combination  command-C. In the Finder, select
    Go ▹ Go to Folder...
    from the menu bar and paste into the box that opens by pressing command-V. You won't see what you pasted because a line break is included. Press return.

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  • Corners stopped working

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    Hi David!
    That sounds really strange. Can you think of anything you might have done/changed on you mac before the hot corners stopped working? Any new applications installed, for example?
    Maybe a resart might work, if you haven't done that already. Also, try using Disk Utility (found in HD>Applications>Utilities) to "Verify Disk Permissions" and "Repair Disk Permissions" on your Hard Drive. That might sort out any little bugs which might be stopping your hot corners from working.
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    I hope that helps!

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    Have you tried another USB port?
    Re: Hot corners

  • Hot Corners Not Working

    I used the Screen Saver window to setup Sleep Display in the upper left corner and clicked OK. Tested it - but would work. I do not have any add on programs.
    Thanks, Bob61

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    Apple Retail Store - Genius Bar       

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