Unable to see disk in "Startup Disk" in preferences

Discussion in 'OS X El Capitan (10.11)' started by btjtaylor, Nov 23, 2016.

  1. btjtaylor macrumors newbie

    Joined:
    Nov 23, 2016
    #1
    Hi all

    I have a Mac Pro 1,1 which I have upgraded and installed 2,1 firmware.

    I'm using a Crucial M4 SSD connected on SATA.

    I installed El Capitan using Piker Alpha's boot.efi, following this youtube video

    My system works perfectly however I can't select my SSD in "Startup Disks", so it's causing me problems when I want to bootcamp the machine or switch between Lion and El Capitan, please see the attached screenshot. The machine boots up but only if my SSD is the only drive, otherwise it boots into my other HDD which contains Lion, and i'm unable to boot back into El Capitan as my SSD does also not appear in the startup disks from the Lion install.

    Does anyone know how I might be able to fix this problem?

    Thanks in advance
     

    Attached Files:

  2. jbarley macrumors 68040

    jbarley

    Joined:
    Jul 1, 2006
    Location:
    Vancouver Island
    #2
    Boot up while pressing the "Alt" key, your El-Capitan drive should be select-able from there.
    This is a common and documented issue with El-Capitan on early MacPros
    After you boot using the above method you should be able to see El-Cap in the Startup pref.
     

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