HT201276: Force an app to close on your Mac
Learn about Force an app to close on your Mac
Q: How to unfreeze Mac in Force Quit Applications? Only mouse isresponding.
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Aug 12, 2013 11:39 AMby mende1,HelpfulWelcome to Apple Support Communities
The hard drive stopped working. That's the reason why you get the question mark (your iMac doesn't find any bootable volume) and why your iMac froze (the hard drive didn't work).
The best thing you can do is to take the iMac to an Apple Store or reseller. If you haven't got a backup, your files are lost
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Aug 12, 2013 12:19 PMby mende1,It's clear that something is happening, and I think it's the hard drive.
As your Mac is frozen, hold the Power button to turn it off. Then, insert the OS X DVD and hold the C key while your Mac is starting to start up from the DVD. Choose your language, go to Utilities menu (on the menu bar) > Disk Utility, select Macintosh HD in the sidebar and verify the drive. If it gives you an error, repair it. What does Disk Utility say after repairing the drive?
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Apr 13, 2015 8:14 PMby Amit404,“Force Quit” option saves your lots of time and helps you impressively to get rid with the app isn’t responding. Check out the guide: how to Close a Program on Mac that is Not Responding (Only mouse is responding) - http://www.zerodollartips.com/force-quit-an-app-in-mac-os-x/
