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For the past 2 weeks I've had a problem: my MacBook Pro starts to boot but doesn't load the OS. I think it is a kernel panic. Here is a photo from the verbose boot.

The only way to fix it is to restore the OS from cmd+r menu, but then when I power off my Mac, with the next boot, all is like before.

MacBook Pro (15-inch, Mid 2012), macOS Sierra 10.12.4

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  • That sounds like a hard drive issue. Have a look at this post - apple.stackexchange.com/q/260139/119271 Also, try starting in Safe Mode (hold Shift while booting) to see if the problem goes away
    – Allan
    Commented May 2, 2017 at 18:27
  • I've made a scan with techtool pro 9 and all seems good. Here you can see a video of my problem: goo.gl/XqY1RE
    – Mirco
    Commented May 2, 2017 at 18:52
  • And here goo.gl/z1Iz84 the scan of EtreCheck. I don't see any hd problem
    – Mirco
    Commented May 2, 2017 at 18:55
  • Remove one of the 8 GB RAM modules and try to reboot.
    – klanomath
    Commented May 2, 2017 at 19:37
  • Good, i've done it. Lets see it tomorrow it give problems again or not. I've always have 16gb ram and I never had problem. I've did also a techtool pro 9 check and no problems was individuated.
    – Mirco
    Commented May 2, 2017 at 21:11

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