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Mission control not working......can not swipe to different windows......I have to restart computer. Help.
Thank you.
Terry
iMac (20-inch Early 2008), Mac OS X (10.7.3)
Open System Preferences > Keyboard > Shortcuts
Check shortcuts assigned.
Also check munder Mouse and Trackpad.
It's possible they need to be checked or they have a new shortcut set.
I did that. My problem is the same as the original poster. It works, but then stops working. A restart fixes it, but that is often extremely inconvenient to my workflow.
You can try running the combo updater over your files to refresh.
OS X Lion Update 10.7.5 (Client Combo) 1.91 GB
http://support.apple.com/kb/DL1582
MORE INFO ON WHY RUNNING COMBO FIXES ISSUES
Apple updates available from the Software Update application are incremental updates. Delta updates are also incremental updates and are available from Apple Downloads (software updates are generally smaller than delta updates). The Combo updates contain all incremental updates and will update files that could have become corrupted.
Combo updaters will install on the same version as they're applying--no need to roll back or do a clean install. So if you think you've got a borked 10.7.5 install from a regular update, just run the 10.7.5 Combo Updater on that system.
"Delta" updaters can only take you from one version to the next. For example: 10.7.4 to 10.7.5 . If somehow the 10.7.5 is missing something it should have, and that something isn't changed between 10.7.4 and 10.7.5 it will still be stale after the delta update.
I solved it by restarting the Finder
On OS yosemite hit F3 buttom.
Mission control not working
