travis134 Posted June 16, 2010 Share Posted June 16, 2010 Hello there! I recently built a machine and posted the hardware I used quite awhile ago. Everything worked fine in regards to installing OSX, however my resolutions were {censored} as a result of using an unsupported video card, the ATI 5850 Recently I purchased a supported card, an EVGA Nvidia 8800 GT with 512mb Vram I have installed the new graphics card and I have successfully made Windows ignore it (My windows OS is for gaming, so I ignore the 8800 GT so I can use my monster 5850) I want to know how I can do this with Mac OS X. Basically here's my problem: I used the following tutorial to install OS X http://tonymacx86.blogspot.com/2010/04/ibo...ac-os-x-on.html Everything works fine when I have only the 8800 GT plugged in, however when I have both video cards in, and attempt to boot to OS X my fan on my NVidia 8800 GT maxes out; it sounds very bad, then nothing happens. Am I doing something wrong? Is my setup impossible? Thank you! Link to comment https://www.insanelymac.com/forum/topic/221332-two-video-cards/ Share on other sites More sharing options...
Alessandro17 Posted June 17, 2010 Share Posted June 17, 2010 Is my setup impossible? That is good question! Having OS X working on a PC is a small miracle on itself. Expecting that it works with 2 totally different cards is way too much. Link to comment https://www.insanelymac.com/forum/topic/221332-two-video-cards/#findComment-1491259 Share on other sites More sharing options...
Giorgio_multi Posted June 17, 2010 Share Posted June 17, 2010 Hello there! I recently built a machine and posted the hardware I used quite awhile ago. Everything worked fine in regards to installing OSX, however my resolutions were {censored} as a result of using an unsupported video card, the ATI 5850 Recently I purchased a supported card, an EVGA Nvidia 8800 GT with 512mb Vram I have installed the new graphics card and I have successfully made Windows ignore it (My windows OS is for gaming, so I ignore the 8800 GT so I can use my monster 5850) I want to know how I can do this with Mac OS X. Basically here's my problem: I used the following tutorial to install OS X http://tonymacx86.blogspot.com/2010/04/ibo...ac-os-x-on.html Everything works fine when I have only the 8800 GT plugged in, however when I have both video cards in, and attempt to boot to OS X my fan on my NVidia 8800 GT maxes out; it sounds very bad, then nothing happens. Am I doing something wrong? Is my setup impossible? Thank you! If you have a Crossfire motheboard, it's impossible. If you have a SLI motherboard may be. Giorgio Link to comment https://www.insanelymac.com/forum/topic/221332-two-video-cards/#findComment-1491462 Share on other sites More sharing options...
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