paul123456789 Posted February 7, 2011 Share Posted February 7, 2011 i have read over fourty pages ranging from all different systems ive tried some but didnt work,i was just wondering if someone could help, i've managed to get one screen working with a resolution of 1400x900 i have 2x dvi connections on the back of my hd 4870 graphics card my motherboard and graphics card listed below thank once again, i do have a ATI HD5850 card but ive given up i cant even get that to boot up so thanks once again for any help received Asus P5QL PRO ATI Radeon HD4870 Snow Leopard 10.6.6 Quote Link to comment https://www.insanelymac.com/forum/topic/246939-dual-monitors-ati-hd-4870/ Share on other sites More sharing options...
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