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Model A1502 / 2.6 GHz (Turbo Boost up to 3.1 GHz) or 2.8 GHz (Turbo Boost up to 3.3 GHz) dual-core Intel Core i7 processor with 4MB shared L3 cache.

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MacBook Pro suddenly shuts down, reboots to dark blue screen?

I replaced my battery using the iFixit tutorial late last year and had no problem until April, when the computer started suddenly shutting down. We can usually just reboot it, but now it has shut down and won’t reboot except for a dark blue screen and the normal reboot sound but after that, nothing. I’ve tried all kinds of resets and tricks, to no avail. Thank you for any help!

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I think this might help you out here Troubleshooting Mac Problems: Stuck at the Blue or Black Screen. It’s probably because of drive permission issues.

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kennyoverton will be eternally grateful.
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