I am having an iMac at home and make use of it from current year. Now the thing is that yesterday when I was going throughout some of my applications the system to freeze and was not able to do something and the only alternative left in front of me is just to hard disk boot. And when I did I'm the apple logo and after some time the system freezes again for giving me the blank screen and nothing else. So what I do in this case and also to solve it.
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