nVidia GPU working only after restarting

Discussion in 'Mac Pro' started by Mormislaw, Nov 4, 2018.

  1. Mormislaw, Nov 4, 2018
    Last edited: Nov 4, 2018

    Mormislaw macrumors newbie

    Mormislaw

    Joined:
    Aug 23, 2018
    Location:
    Poland
    #1
    Hi
    I'm using a 1,1 Mac Pro on El Capitan.
    I have a GTX750 alongside the original 7300GT installed with the latest driver for this version.
    However, when I boot the system, there's no image. I have to reboot the Mac a few times, then it starts to work.
    Can you please help me?
    Thanks in advance
     
  2. orph macrumors 68000

    orph

    Joined:
    Dec 12, 2005
    Location:
    UK
    #2
    have you tried pulling one card testing, pulling second card testing or changing display cables?
     
  3. Mormislaw thread starter macrumors newbie

    Mormislaw

    Joined:
    Aug 23, 2018
    Location:
    Poland
    #3
    Yes, it doesn't not work with the first slot (16x), however it does in second (8x) one. Now I tried changing them again, and now the GTX750 does not work at all
     
  4. orph macrumors 68000

    orph

    Joined:
    Dec 12, 2005
    Location:
    UK
    #4
    with just one card installed that happened ?
    may just be dust in the slot, its happened before
     

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3 November 4, 2018