MACBOOK PRO 4K 60HZ DISABLE SIP SWITCHRESX INSTALL
However, in my own case I can report that I did not have to enable MST, and that I did eventually get a perfectly usable 4k (3840 x 2160) 27Hz (!) mode (genuinely, as reported by the OSD of the monitor itself) working on my Late 2012 Intel HD Graphics 4000 MacBoo Pro with an ASUS VP28U 4k monitor!!! Definitely no way that could have been achieved without SwitchResX!įinally, it's also worth noting that another tool, simpler to use than SwitchResX and without the ability to define new modes, but still with the ability to show the 'hidden' resolutions, is RDM which can be installed via a download link from the GitHub page, or via Brew ( brew install avibrazil-rdm). You might also want to check out this article by Stephen Foskett, which recommends enabling MST-mode on the monitor itself to access even higher resolutions on older MacBooks.
Your MBPs Intel graphics only support DisplayPort 1.2, limiting you to 4K at 30 Hz using this adapter. as reported by the monitor's OSD, not just scaled displays in other resolutions) up to 2560 x 1600 60Hz - which just weren't there with the HDMI cable. Amethyst1 said: You need a Mac with DisplayPort 1.4 in order to get 4K at 60 Hz from this particular adapter. ago Nope, the problem is that the os only shows up to 30 Hz when I have the issue. Select an option from the Refresh Rate pop-up list. Option -click the Scaled radio button to show the Refresh Rate pop-up list.
I am not sure if the above is different between MacBooks? It made a huge difference on my MacBook Pro Retina 13-inch Late 2012 adding genuine resolutions (i.e. Navigate to System Preferences Displays Display. thunderbolt) to DisplayPort connector, not an HDMI to HDMI connector - you will likely find a lot more available resolutions namely, everything that the monitor and MacBook can support which is higher resolution than 1920 x 1080 (aka 1080p)
Be sure to use a Mini DisplayPort (i.e.Additional answer, to combine with answer to use SwitchResX (which I agree works really well, having found it from answer and tried it!):
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