Macintosh HD greyed out and shut down after progress bar complets

Hello everyone, after i manually closed my macbook by holding the shut down button for 5secs due to an application crush, my macbook pro doesnt seem to be able to boot anymore. It executes the progress bar under the apple  icon on the screen (trying to repair my hd) and after it completes the process, it shuts down. When i press cmd+R, i can see from disk utilities the 500GB hard drive and the macintosh hd. The 500GB total hard drive is normal (even with no problems to fix after running verify and repair) but the Macintosh HD-part is greyed out and verify/repair fail with an error when i click on them. What should i do? i dont think its a hard drive failure. At least, how can i back up my system or some files? from disk utilities the new image function should be executed for the macintosh hd partition and not for the parent 500GB hard disk in order to make a backup, right?

1) In a Finder window, select the Macintosh HD. Can you see the contents? If yes, you can select to drag over files.
2) Download SuperDuper (free) When it opens does it recognize the internal drive in the popup? If yes, you will need to make a second portion on your external drive for the clone of your internal drive.
3) If you can't see the contents or the drive in Finder or SuperDuper then you will need to download and run Mavericks over the internal drive.

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