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It should be noted that the MBP with DG is running El Capitan versus High Sierra for the MBP with IG. It would be easy to conclude that the Macbook Pro with Integrated Graphics doesn’t support output and scaled resolutions, except that #4 disproves this. Scenario #4 proves that the MBP with IG “works” and that it is in fact capable of outputting 4K and scaled 4K resolutions 60Hz via displayport - at least with a 4K displayport monitor such as the Dell P2715Q.Įvery individual component of scenario #2 has been proven to achieve the goal, yet this combination, fails. Scenario #1 proves that the MDP-HDMI adapter, HDMI cable, and Samsung TV all “work” and that the “MDP-HDMI → HDMI cable → Samsung MU7000” combination is in fact capable of displaying 4K and scaled 4K resolutions 60Hz - at least with the MBP with Dual Graphics as the source. 3840x2160 60Hz AND 2560x1440 scaled 60Hz (as well as other scaled resolutions). MBP with IG → Dell-supplied mDP to DP cable → Dell P2715Q: Success. 2560x1440 30Hz works, but is is obviously blurry and not scaled.

3840x2160 30Hz works, but there is no option for anything higher in Display Preferences. MBP with IG → MDP-HDMI → HDMI cable → Samsung MU7000(HDMI UHD Color: OFF): Stuck at 30 Hz. This is my “goal” hardware configuration described above. TV display is garbled, mostly all orange with horizontal strip of garbage on top. MBP with IG → MDP-HDMI → HDMI cable → Samsung MU7000(HDMI UHD Color: ON): Failure.

MBP with DG → MDP-HDMI → HDMI cable → Samsung MU7000(HDMI UHD Color: ON): Success. * AmazonBasics High-Speed HDMI Cable, 10 Feet ( ) * Pluggable MDP-HDMI adapter bought Nov 5, 2018 * Samsung UN49MU7000 49” 4K HDR TV, with HDMI UHD Color: ON * “MBP with DG”: Mid-2015 Macbook Pro Retina with Dual Intel Iris Pro + AMD Radeon R9 M370X Graphics, El Capitan * “MBP with IG”: Mid-2014 Macbook Pro Retina with Integrated Intel Iris Pro graphics, High Sierra Please review my test results below before responding. The HiDPI scaled resolutions are important for my application. My goal: 3840x2160 60Hz AND 2560x1440 scaled 60Hz on MBP Mid-2014 with Integrated Intel Graphics, Macos High Sierra → MDP-HDMI → Samsung MU7000 4K TV.