Can not erase main drive or reinstall

Discussion in 'macOS' started by GreenApple29, Mar 12, 2017.

  1. GreenApple29 macrumors regular

    GreenApple29

    Joined:
    Jun 8, 2008
    #1
    hello everyone

    Yesterday I had to open my Mac mini late 2012 cos the fans were going crazy plus mini was getting way too hot
    It was full of dust so cleaned it and only places I had to unscrew were the fans and not removing the whole logic board


    On boot everything seemed ok
    Then I kept getting iCloud system preferences to enter my password
    Some other apps couldn't be opened via spotlight

    So I turned mini off tried safe boot nothing drive
    I decided to do a clean install but the disk utility couldn't erase the main drive
    Even when I tried to use an external USB stick the same message a
    Pearled

    I'm attaching the images and if anyone has an idea I would really appreciate that
     

    Attached Files:

  2. Fishrrman macrumors G4

    Joined:
    Feb 20, 2009
  3. GreenApple29 thread starter macrumors regular

    GreenApple29

    Joined:
    Jun 8, 2008
    #3
    I hope it's something lose inside and nothing more than that

    But as I said we removed the black plate to access mini
    We didn't remove the memory just the fan
    Only thing we did is used a tool to blow air inside

    I hope it's a cable got lose and nothing else:(
    However why the disk utility doesn't let me erase even a USB stick? That's the thing that worries me
     
  4. CoastalOR macrumors 68000

    CoastalOR

    Joined:
    Jan 19, 2015
    Location:
    Oregon, USA
    #4
    Try a fresh restart. I have found that El Capitan and Sierra Disk Utility gets flakey sometimes. If that doesn't work then try another USB stick.
     
  5. GreenApple29 thread starter macrumors regular

    GreenApple29

    Joined:
    Jun 8, 2008
    #5

    If you check my pics and my initial post I mentioned that it doesn't let me erase either the main drive or the external USB
    I couldn't see the drive that's why I can't erase or install a fresh copy of the operating system
     
  6. CoastalOR macrumors 68000

    CoastalOR

    Joined:
    Jan 19, 2015
    Location:
    Oregon, USA
    #6
    Have you tried a restart and retried Disk Utility?
     
  7. GreenApple29 thread starter macrumors regular

    GreenApple29

    Joined:
    Jun 8, 2008
    #7
    a small update
    i took the internal ssd and used it as an external on my MacBook pro
    then i used the MacBook pro disk utility and tried to erase it
    but i got an error message
    "exit code 8"

    any ideas?
     
  8. stevenaaus macrumors newbie

    Joined:
    Oct 23, 2013
    #8
    This is definitely not good practice, and quite possibly your problem.
    Cables get loosened, fan bearings broken, and dirt blown *in* to places where it shouldn't be.
    If you have to take it in for repairs, make sure to mention this to the repairer.
    --- Post Merged, Mar 14, 2017 ---
    But this just sounds like a general SSD failure.
     
  9. csurfr macrumors 6502a

    Joined:
    Dec 7, 2016
    Location:
    Seattle, WA
    #9
    I have had this error as well recently on almost every machine that I have . . .My guess is that it is some sort of bug in the recovery software from Apple. If I try again, it usually works fine immediately.
     
  10. GreenApple29 thread starter macrumors regular

    GreenApple29

    Joined:
    Jun 8, 2008
    #10
    a hardware failure or a corrypted disk directory?
    that the worst period for me to get a new ssd not to mention searching for an original or aa OWC

    ill have to wait and see what the repairer will say i guess
    --- Post Merged, Mar 14, 2017 ---
    what do you mean try again? try again the "erase" or the "first aid" procedure?
    i tried many times first aid with the same results mentioned above
    and when i tried to erase it lets m pick a name for my drive but the option to continue and erase the drive is greyed out :(
     
  11. csurfr macrumors 6502a

    Joined:
    Dec 7, 2016
    Location:
    Seattle, WA
    #11
    For me, when I get that error, I just highlight the drive (Apple Internal) and choose "erase" and it works fine. I give the drive a name (Macintosh HD) and presto. Sometimes it takes two tries. Sometimes it takes three. But It has always worked in the end, which is why I feel like it's a software issue. That, or all 3 of my SSDs are going bad at the same time (not likely).
     
  12. GreenApple29 thread starter macrumors regular

    GreenApple29

    Joined:
    Jun 8, 2008
    #12

    ill wait and see what the repair guy will say and i just hope its a software thing only!
    fingers crossed
     
  13. GreenApple29 thread starter macrumors regular

    GreenApple29

    Joined:
    Jun 8, 2008
    #13
    so the repair guy just phoned me
    he said that he could see this issue that iw as describing but after using the diagnostic tools, i guess the ones or similar apple is using, he saw no signs of disk failure
    at the same time he said that he can go ahead and continue with the installation, when i tried that this wasn't possible.
    not sure how to move forward
    i mean if he goes ahead with installation he will charge me 50 euros for a procedure that i have done multiple times in the past
    again, when i have the internal ssd as external on a usb case, its not visible on the finder only in disk utility, where first aid gives errors and greyed out option when i try to erase

    you think any tools like disk warrior or tech tools pro could help me with this?
     
  14. stevenaaus macrumors newbie

    Joined:
    Oct 23, 2013
    #14
    Normally a disk format error means the disk has failed physically, but as csurfr said
    and there is also a similar error message in this thread
    https://forums.macrumors.com/thread...-and-fixes-here.1991731/page-18#post-24337405
    So it looks like there may be a software issue with recent disk utility program... though i havent seen it.
    Maybe peseverance will pay off ?
     
  15. csurfr macrumors 6502a

    Joined:
    Dec 7, 2016
    Location:
    Seattle, WA
    #15
  16. GreenApple29 thread starter macrumors regular

    GreenApple29

    Joined:
    Jun 8, 2008
    #16
    Hello all and thanks for the messages and replies. I had to leave it to the repair guy who initiall called me and said that according to his diagnostic tools. I guess Apples diagnostic tools it doesn't seem to be any hardware issue either with the drive or the machine itself. He could get into the installation process so I guess everything is ok apart from me paying for approves ( installation) that I could have done it with my eyes closed. He mentioned that there was probably an issue with the recovery partition. As soon as I got it back I restored from a time machine backup and everything is back in normal mode

    Only issue is that in iCloud preferences find my mac is greyed and it informs me that there is no recovery partition!

    I didn't get into it yet since I'm away for a few days but at least the Mac mini is working and the drive is ok

    I should have waited and tested a couple of tools myself like techtool or disk warrior but wasn't sure if it was a hardware or a software issue
     

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