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display - How can my mid-2012 MacBook Pro Retina 15 run a 4K panel at 30Hz over HDMI? - Ask Different
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display - How can my mid-2012 MacBook Pro Retina 15 run a 4K panel at 30Hz over HDMI? - Ask Different
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How to connect 4K monitors to your Mac, even on some older models without official support | AppleInsider
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