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How to Reinstall MacOS Sierra on Crashed Macbook

  Kit Kaplan 20:51 27 Mar 2019
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My MacBook has been acting up for a long time and I cleaned off everything I could and then use the utility to repair permissions. I ended up with that blinking? Somehow and tried to restart in recovery but the only option for reinstalling the OS from the Internet was the newest iOS and my 2012 MacBook Pro 13 inch will not upgrade past Sierra. I can’t restart at all, just the “?” Blunking

Any ideas?

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