ati 5770 can't be recognized in mac pro 2,1

Discussion in 'Mac Pro' started by whimsica, Sep 11, 2016.

  1. whimsica macrumors newbie

    Jan 2, 2014
    I have an ati 5770 card that was working in a mac pro. Then the mac pro stopped recognizing it.
    I tried it in a pc and it worked fine.

    I used atiwinflash to backup the card rom and tried to reflash the bios with a mac 5770 rom from netkas and now the ati card is not recognized by a mac or pc.

    Is there a way to get this card working again?
    Is there something I can try on a mac or pc to unbrick the card?
  2. electonic macrumors member

    Mar 18, 2014
    Did you try putting it in other slots of your Mac Pro?

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