Mac Pro 1,1 Mavericks GPU Problems

Discussion in 'Mac Pro' started by Copeyyy, Feb 8, 2016.

  1. Copeyyy macrumors newbie

    Feb 7, 2016
    Hi guys/girls

    Sorry if this has already been answered but I am literally at the end of my tether trying to resolve this issue I have with my Mac Pro.

    I just recently purchased a nice 1.1 for only £120 which I thought was a pretty good deal it came with snow leopard and the stock 7300 but naturally i wanted to tinker with it and upgrade it! So I went out to my local CeX (Tech pawn shop) if you didn't know what it was and purchased a Gigabyte GTX460 which I presumed would work out of the box with Mountain Lion and above. I installed Mavericks with the MacPostFactor method which worked great! But of course I have no gpu acceleration with the 7300 and no matter what I try I cannot get the system to even acknowledge the existence of the GTX460! I have tried placing the card in multiple slots and reinstalling Mavericks and even editing the package files of the Nvidia web drivers to detect my mac pro firmware but nothing! The card it self does work I tested it in my windows rig and it booted up fine but inside the MacPro the fans are constantly on full speed and well to be honest it is driving me insane! If anyone has any suggestions to what I can do to get this setup working I will be grateful no matter how silly it sounds :)

    Sorry for the essay haha
    Thanks in advance
  2. MacVidCards Suspended

    Nov 17, 2008
    Hollywood, CA
    Did you power the card?

    The power plugs on GPUs are not optional.

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