Recent content by Zoboomafoo

  1. Z

    Command line - change start up disk

    Surprisingly, it was from something as low level as creating a new user in the Settings panel of OS X. I was sitting with him. Linux boards say they can't fix it, so I have been looking for places that know about OS X's command line. Do you know any other places where people dig deep into OS X?
  2. Z

    Command line - change start up disk

    Ubuntu 16.04 It used to boot straight to Ubuntu. I used the alt/option menu on startup to get to OS X. Ubuntu didn't show up on that menu. Now it boots straight to OS X. A Mac tech added a user in OS X right before it stopped working. How it worked before I installed Ubuntu and OS X like...
  3. Z

    Command line - change start up disk

    I need to change the start up disk to be a different disk instead of my OS X disk. OS X cannot see the disk I want it to use. I cannot change the start up disk back in OS X's settings. How do I use the command line in OS X to fix it? 2009 Macbook Pro OS X El Capitan
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