NBS Posted January 26, 2013 Share Posted January 26, 2013 I have a hackint0sh with an ATI 6450 video card (the worlds best video card!). I have it hooked up to my HDTV via an HDMI cable. This works fine. Today, I purchased a flat panel screen that connects via VGA. Since the video card has both HDMI/VGA ports, I keep them both connected. However, when I boot OS X, it only recognizes the HDTV, not the flat screen. Is there any way I can fix this without disconnecting the HDTV? I use the HDTV in Windows dual boot but I want to use the flat screen for OS X. Thanks Link to comment https://www.insanelymac.com/forum/topic/285906-multi-monitor-support/ Share on other sites More sharing options...
p.H Posted January 26, 2013 Share Posted January 26, 2013 You have to modify your ATI framebuffer. Lots of details can be found easily with searching:D Link to comment https://www.insanelymac.com/forum/topic/285906-multi-monitor-support/#findComment-1883765 Share on other sites More sharing options...
VCH888 Posted January 26, 2013 Share Posted January 26, 2013 read and make it for your card. http://www.insanelymac.com/forum/topic/273937-guide-getting-xfx-hd6850-connectors-to-work/ http://www.insanelymac.com/forum/topic/249642-editing-custom-personalities-for-ati-radeon-hd45xxx/ Link to comment https://www.insanelymac.com/forum/topic/285906-multi-monitor-support/#findComment-1883766 Share on other sites More sharing options...
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