- #Increase refresh rate switchresx 1080p
- #Increase refresh rate switchresx driver
- #Increase refresh rate switchresx Patch
- #Increase refresh rate switchresx upgrade
Step 1: Disable System Integrity Protection (SIP)
#Increase refresh rate switchresx driver
Be sure to check out Floris497’s mac-pixel-clock-patch-V2 GitHub page for more details and specifics on connectivity options and driver support. This tutorial should work with most 4K monitors and traditional DisplayPort connectivity as well, the USB-C cable used in my example is carrying DisplayPort 1.2 across its lanes. In other words, if you decide to apply this patch, know that you are doing so “at your own risk”.
#Increase refresh rate switchresx upgrade
Perhaps it plans to release a future OS X upgrade with 60 Hz support in tow. Maybe Apple wants to sell more MacBook Pros. Perhaps it has to do with heat or some other vital system aspect. The Intel Core M chip, along with the Intel HD Graphics 515 integrated graphics, support 4K resolution at 60 Hz.Īpple may have a valid reason for holding back 4K 60 Hz. DisclaimerĪs to why Apple did not enable 60 Hz resolution out of the box on the 2016 MacBook, I’m still not sure. Watch the step-by-step process in our video tutorial for the details. In fact, I just did so on the LG 27UD88 4K USB-C monitor that I recently reviewed.
#Increase refresh rate switchresx 1080p
The good news is that it is possible to enable 60 Hz at native 4K resolution and 1080p (HiDPI/Retina) resolution on a 2016 MacBook. It’s not immediately clear as to why this is, but on its support page, Apple makes it known that 4K resolution is limited to 30 Hz. Sadly, the MacBook only supports 30 Hz out of the box for 4K resolution. Operating at 30 Hz results in jerky and choppy cursor movement, and in some cases can induce headaches after prolonged use. The jump in refresh is a big deal, as anyone who’s tried to put up with running a 30 Hz refresh rate can attest to. One of the great things about the new Intel hardware inside of the 2016 MacBook is that it’s capable of supporting 4K resolution at 60 Hz. Such a feat is achievable via an easy-to-apply IOKit patch. With 3840x2160 as the base resolution, you should be able to get scaled resolutions up to 120Hz but I don't see any in your SwitchResX screenshots.The 2016 MacBook is capable of driving a 4K display at 60 Hz via a single USB-C cable. If that's true, why would there be a 3840x2160 HiDPI mode? You wouldn't be able to see a difference except in screenshots. What is the "Scaled resolutions base" set to? I assume 3840x2160. Does Display Preferences show different refresh rates than SwitchResX for scaled HiDPI resolutions? It looks like you have a 4320p mode scaling to 2160p at 60Hz so scaling 2880p to 2160p at 120Hz should work. The display scaler has no problem scaling 144Hz 1440p to 2160p.
#Increase refresh rate switchresx Patch
I would find the code with the limit and patch it to see what happens. So why are all the scaled modes set to 60Hz or lower? Are GPU scalers unable to work at higher than 60Hz? Maybe this is a limit imposed by Apple. You have 120Hz up to 2160p and 144Hz up to 1440p. Seems to be missing some refresh rates for higher resolutions. Maybe there's bugs in CoreDisplay framework.
I wonder if there's a limit to the number of resolutions? Did you scroll the entire list in Displays preferences to find another 2560x1440 mode? Maybe there's a problem with the sorting. Displays preferences shows some low resolution modes but SwitchResX is only showing HiDPI modes. SwitchResX seems to be missing some resolutions. Is there a difference between the two 60Hz options? SwitchResX shows all the 2560x1440 HiDPI resolutions (60Hz, 30Hz, 24Hz, 25Hz, 50Hz, 60Hz). The Current Resolutions list in SwitchResX might be easier to read if you sorted by Resolution instead of HiDPI. Building a CustoMac Hackintosh: Buyer's Guide
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