USB boot creation fails

Discussion in 'OS X El Capitan (10.11)' started by joecool99, Sep 30, 2015.

  1. joecool99 Suspended

    joecool99

    Joined:
    Aug 20, 2008
    Location:
    USA
    #1
    bizarre issue. fails to create install media.

    Last login: Wed Sep 30 15:17:28 on console

    bluemoon:~ bluemoon$ sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/aaa --applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app --nointeraction

    Password:

    Erasing Disk: 0%... 10%... 20%... 30%...100%...

    Copying installer files to disk...

    The copy of the installer app failed.

    .bluemoon:~ bluemoon$


    how to fix?
     
  2. mikeboss macrumors 65816

    mikeboss

    Joined:
    Aug 13, 2009
    Location:
    switzerland
    #2
    same happened here. delete and re-download from the App Store solved it for me.
     
  3. joecool99 thread starter Suspended

    joecool99

    Joined:
    Aug 20, 2008
    Location:
    USA
    #3
    just re-downloaded. same issue.
    is there a checksum i can run on the the download?
     

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