Installed GeForce GTX600Ti on Mac Pro 3.1

Discussion in 'Mac Pro' started by LISAK, Feb 13, 2013.

  1. LISAK macrumors newbie

    Joined:
    Feb 13, 2013
    #1
    Hello;

    I bought a GeForce GTX660Ti for my Mac Pro 3.1 in which I have the latest EFI installed on my Mac Pro already but after install it on motherboard and power up my Mac Pro, there is nothing shown on the screen. I am wondering if I need upgrade my Mac Pro to Mountain Lion in order to support this graphic card, or there is another work around.

    Please let me know if all of you have idea.

    thanks!
     

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