Fb2003 Posted December 11, 2011 Share Posted December 11, 2011 I've got a my 5870 mobility working, following a tutorial (http://www.insanelym...howtopic=249669) It involves using a boot and rom file from another person. Internal screen works on high resolution. HDMI or DVI work (DVI using a trick involving rebooting with cable connected) But these outputs don't work simultaneous. It is not possible to have all three (internal, HDMI, DVI working simultaneous? Or maybe because the person has a slightly different type of 5870 (VGA instead of DVI)? Are there ways to test or edit settings to get the DVI and HDMI output to working simultaneous? Link to comment Share on other sites More sharing options...
Fb2003 Posted December 12, 2011 Author Share Posted December 12, 2011 So I've tried something I thought might work. Before I power up the laptop I connect both HDMI and DVI to two separate monitors. When I start the laptop, and OSX is fully loaded (desktop), both HDMI and DVI output work. (+ the internal lvds display) The only problem is, the screens is clones. Although mirroring isn't applied. Who can help me? Link to comment Share on other sites More sharing options...
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