wolfie81 Posted February 19, 2015 Share Posted February 19, 2015 Hi all. Ive upgraded my hack to a 2 monitor set up (2x Cinema displays) and both are recognised by BIOS. When I boot up both are activated. However, when the home screen begins, one monitor switches off completely and can't get it to be recognised. Both monitors are connected to 2 separate GPU's through display port connections. On their own, they work fine. Just not together. Any ideas? Link to comment https://www.insanelymac.com/forum/topic/304627-dual-monitor-support-on-2-gpus-by-display-port/ Share on other sites More sharing options...
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