== It's failing after POST ==
In OS X command-V will give you a line by line of whats going on,... the last line of the boot sequence, or the line that should be next, is where your problem lies.
[http://www.peachpit.com/guides/content.aspx?g=mac&seqNum=59|OS X Start sequence] ''I suspect bad firmware, or BootX.'' '''If you're not using a "Generic OS X build" that could be your problem.'''
'''If this answer was helpful please remember to mark it accepted.'''
Good Luck,
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