2012 13" MBP won't boot from El Cap USB stick

Discussion in 'MacBook Pro' started by germinator, Dec 13, 2015.

  1. germinator macrumors regular

    Joined:
    Apr 22, 2009
    #1
    I just bought the 2012 model 13" MBP. Replaced optical drive with Samsung SSD. Installed El Cap. Everything works great.

    Now I wanted to have a bootable USB stick for recovery. Followed directions here to create Bootable El Capitan installer disk:
    http://osxdaily.com/2015/06/11/make-bootable-os-x-el-capitan-beta-install-usb-drive/

    Except I used El Cap's version of Disk Utility.

    When I reboot with Option key down, I am presented with the selection of boot drives including the USB disk. If I select it, I can see the progress bar for a while, but before reaching the end of it, I get the ghostbusters sign.

    Any ideas?
     
  2. CoastalOR macrumors 68000

    CoastalOR

    Joined:
    Jan 19, 2015
    Location:
    Oregon, USA
    #2
    Try again using these instructions:
    http://arstechnica.com/apple/2015/0...able-os-x-10-11-el-capitan-usb-install-drive/

    Diskmaker X v5 is a good easy way to make a bootable USB installer.
     
  3. germinator thread starter macrumors regular

    Joined:
    Apr 22, 2009
    #3
  4. Spudlicious macrumors 6502

    Spudlicious

    Joined:
    Nov 21, 2015
    Location:
    Bedfordshire, England
    #4

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