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

Sometimes the Mouse Prefs causes expose to break. It did for mine. You could:
1. Trash the plist in /Library/Preferences that has mouse as part of the filename. I can't find it now but everything works fine for me again. If you want to be a bit more careful, drag it to the Desktop. Then type killall Dock in Terminal
2. Sometimes, unplugging the mouse or disconnecting it for BT mice and rebooting before reconnecting works too

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    Any advice would be much appriciate.

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    Does your 8600M GT have 128 or 256MB VRAM? Both versions shipped with that model MBP. The game sysreqs says that, while 128 is minimum, 256 is preferred. We all know what "minimum" means in software advertising.
    Have you downloaded the SL Graphics updater?
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  • Hi, my name is Amit, my hot corners stop working after some time. Have to go to mission control to reset them, however they stop again after some time. This is annoying. Can someone please assist to solve this problem? Thanks Amit.

    Hi my name is Amit, after upgrading to OS X Maverick I often have problem of my Hot corners stop working after a short period of time. I have to go to mission control and have to reset them for them to start working again. However this is temparory and they stop working again and this is quite annoying. Can someone suggest a cure to this problem please. I will be grateful. Thanks Amit.

    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.

  • IMac Hot Corners stopped working

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    I was about to try your suggestion, however the hot corners have started working again. I don't know why... Hopefully, whatever it was has fixed itself.

  • Hot Corners not disabling screen saver

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    Hi again, Aaron —
    OK, let's try some troubleshooting steps to solve your Exposé problem (that's the name of the OS X feature that, among other things, provides the "hot-corners" functionality).
        (1) Please note that some Dashboard widgets have been reported to exhibit incompatibilities with Exposé. You may want to check on this — and update to later versions or disable any suspect Widgets.
        (2) When you have "a lot of things like this" that aren't working as expected, it's usually very helpful to isolate what may be vs. what definitely isn't contributing to the behavior(s). One way to do this is to set up a temporary "test" user account with administrative privileges. (As always, be sure to remember the password!) Then log-in as this user, and take whatever steps are necessary to determine whether the problematic behavior(s) persist. If they do, the problem is "systemic" ; is they go away, the problem is apparently restricted to your user account. Apple's KnowledgeBase Article 25398 — Mac OS X: How to troubleshoot a software issue (also linked above) explains troubleshooting steps to take from there.
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    Please note that this will refresh all the associated preferences to their original, "default" values — so you will have to reconfigure your Dock & Exposé preferences. (You may want to take a screenshot of the Dock's current configuration first.)
    There are other potential troubleshooting steps to try if these aren't successful. Please post back to apprise us of your progress — and to discuss this further, if it remains unresolved.
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    Hi,
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