My Mac Book Pro 2011 17" recently started to endlessly boot, gets about 2/3s the way into booting then shuts down and starts booting again.
Will not accept the original disks. Will not restart in safe mode? Does this mean I need a new HD or something else?
MacBook – Endless booting loop of MacBook Pro
macbook pro
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Best Answer
It would be a good time to swap the HD for another startup system. You could do that with a thumb drive startup disk that you or someone else setup already, and you could use a USB cable connected to any external drive that had this. You could probably get one online if you've never made one. You could pull that drive out and connect it to another Mac, then use Disk Utility on it. Here is an article with some helpful stuff.