Q: Cannot boot into OS X 10.11

Hello everybody!

I have md101 macbook pro run OS X 10.11 El Capitan and Windows by Bootcamp.

Now I cannot boot into OS X, it stuck at Apple Logo and process booting bar. However, I can booting to Windows normally by press Alt when startup and choose Bootcamp partition

When I start into Recover to reinstall OS X, it not show OSX partition in the select partition screen, even in the Disk Utility it only show 'Loading disk'. Note that I can see OSX partition when I boot to Bootcamp.

Thank you for any support.

Best Regards

MacBook Pro (13-inch Mid 2012), OS X El Capitan (10.11.6)

Posted on Sep 21, 2016 2:01 AM

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Q: Cannot boot into OS X 10.11

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by sterling r,

sterling r Sep 21, 2016 3:04 PM in response to hieu3210
Community Specialists

Sep 21, 2016 3:04 PM in response to hieu3210

Hi hieu3210,

I understand that you are having some difficulties booting into OS X El Capitan despite Windows still starting up fine with Boot Camp. I know it's important for your computer to start up as expected, so I'm happy to help.

First, we'll want to make sure that your computer's hardware is working well. This article will show you how to use Apple Diagnostics to determine that:
Using Apple Diagnostics - Apple Support

If these tests pass, then we'll want to troubleshoot OS X El Capitan. This article provides steps for troubleshooting with safe mode:
Try safe mode if your Mac doesn't finish starting up - Apple Support

Thanks for using the Apple Support Communities. Cheers!
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