MACBOOK PRO 2012 NOT BOOTING

Discussion in 'MacBook Pro' started by Steve McPeterson, Apr 25, 2017.

  1. Steve McPeterson macrumors newbie

    Steve McPeterson

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    #1
    Hey Guys am new to the community.

    My macbook is pro 2012 4gigs of ram and i7 originally with 750gb hdd 7200rpm with bootcamp win7. And El Capitan
    It worked great until recently mac osx fail to boot & win7 got corrupt .

    Tried all reset methods , i think keyboards dead .

    Now i put 250g ssd fromm samsung still stuck on ' no bootable device found' black screen
     
  2. Weaselboy Moderator

    Weaselboy

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    #2
    Did you install macOS on the new SSD after you installed it?
     
  3. DeltaMac macrumors 604

    DeltaMac

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    #3
    The black screen with "no bootable device found" is not a macOS failure, but typically would be a failure to find a Windows boot partition.
    What appears on the screen when you try to boot while holding your Option key?
     
  4. viss macrumors newbie

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    #4
    HDD cable is often the problem with the 2012 MBP. Easy and cheap to fix yourself luckily.
     
  5. Steve McPeterson thread starter macrumors newbie

    Steve McPeterson

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    #5

    I cant install as after chime sound black screen pops and cant use any keys on the keyboard like they are dead
    --- Post Merged, Apr 25, 2017 ---
    Video
    How?
    --- Post Merged, Apr 25, 2017 ---

    Macbook is not accepting any keystrokes
     
  6. DeltaMac, Apr 25, 2017
    Last edited: Apr 25, 2017

    DeltaMac macrumors 604

    DeltaMac

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    #6
    Reset your NVRAM:
    Restart. Before the boot chime ends, hold Option-Command-P-R.
    Continue to hold those keys. You should hear the boot chime again in a few seconds.
    Continue to hold the same 4 keys until you hear the boot chime 2 more times, then release the keys.
    Assuming there is no system installed on your new SSD, you SHOULD see a flashing folder and (?).

    Now you can boot to your installer.
    What do you have available for a bootable macOS installer?

    Finally, even if you have NO installer at all, you can still install the original OS X system by booting to Internet Recovery: Restart, while holding Option-Command-R. You should see a rotating globe, and NOT an Apple icon.
    It will boot relatively slowly (maybe a couple of minutes because you are booting to Apple's remote servers), and you wll get a menu screen, where you can choose Disk Utility, where you can erase the SSD (preparing it for the OS X install), then choose Reinstall OS X, to get the download and reinstall OS X. You will have some free time, as the process will likely take about an hour.

    If you NEED to replace the SATA cable, you will find that the cable is only a couple of steps, done at the same time that you would replace the hard drive. iFixit.com has instructions, if you need it.
    I don't know if you have a 13-inch or 15-inch. I provided a link to 13-inch, but the steps are very similar, but you can look up those steps, too, still at the iFixit site.
     
  7. Steve McPeterson thread starter macrumors newbie

    Steve McPeterson

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    #8
    Ok if hard disk cable is bad then why keyboard isnt accepting any combos :(
     
  8. DeltaMac macrumors 604

    DeltaMac

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    #9
    What happened when you tried the NVRAM reset as I suggested?
     
  9. Steve McPeterson thread starter macrumors newbie

    Steve McPeterson

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    #10
    Single chime.,then white screen for a while and then black screen showing *no boot device found insert and press any key*
     
  10. Fishrrman macrumors G4

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    #11
    OP:
    This is a MacBook Pro (non-retina), right?

    If I'm not mistaken, Apple has a FREE replacement program for the ribbon cable that connects the hard drive to the motherboard. This cable is very thin and is easily damaged. When that happens, communication with the hard drive is lost and the MacBook exhibits problems just like you're experiencing.

    Are you near a brick-n-mortar Apple Store?
    If so, make an appointment for the Genius Bar and let them look at it.
    Chances are they'll replace the cable and hand it back to you.
     
  11. Steve McPeterson thread starter macrumors newbie

    Steve McPeterson

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    #12
    Cable seems good only things why i cant use keycombos to rest pram etc seems out of this world problem :(
     
  12. Fishrrman macrumors G4

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    #13
    (sigh)
    You've been advised what to do.
    I suggest you take it to an Apple Store before you do anything else...
     
  13. Steve McPeterson thread starter macrumors newbie

    Steve McPeterson

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    #14
    The old hdd is locked in windows7 and loads into repair mode all the time.

    When i put Mac os partition active the mac returns black screen saying MISSING OP SYSTEM
     
  14. DeltaMac macrumors 604

    DeltaMac

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    #15
    Pretty easy here.
    Try to get the NVRAM reset to work by plugging in a USB keyboard (borrow one if you don't have one)
    A windows keyboard (with the Windows key instead of a command key) should work the same to reset NVRAM (hold Windows-alt-P-R), so that should not be an issue.
    Remember to hold the same 4 keys until you hear the boot chime at least a second time (I usually hold for 2 more after the first chime)
    If that still does not work (does not accept the key combination at all), then look for an Apple-brand keyboard, or do a power reset by disconnecting the internal battery for a minute or two.

    Can you try booting to internet recovery? Hold Option-Command-R on a restart. When you see the spinning world, you can release the keys. That internet recovery boot can take several minutes, and get you a menu screen where you can erase the internal drive completely.
    If THAT doesn't work, replace the SATA cable.
     
  15. Steve McPeterson thread starter macrumors newbie

    Steve McPeterson

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    #16
    Even if the sata cable doesnt work i should see the ? Folder logo right ???
     
  16. chrfr macrumors 603

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    #17
    Sometimes when the cable fails, it causes strange problems that don't seem related. Given how common the cable failure is, it's useful to start troubleshooting by replacing that first.
     
  17. Steve McPeterson thread starter macrumors newbie

    Steve McPeterson

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    #18
    This also includes the reset' And internet recovery' methods too right?
     
  18. Steve McPeterson thread starter macrumors newbie

    Steve McPeterson

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    #19
    Replaced my hard-disk with windows ssd. Atleast able to use the macbook pro.
     

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