Apple Footer • This site contains user submitted content, comments and opinions and is for informational purposes only. Apple may provide or recommend responses as a possible solution based on the information provided; every potential issue may involve several factors not detailed in the conversations captured in an electronic forum and Apple can therefore provide no guarantee as to the efficacy of any proposed solutions on the community forums. Apple disclaims any and all liability for the acts, omissions and conduct of any third parties in connection with or related to your use of the site. All postings and use of the content on this site are subject to the. Despite using the same connector, USB-C and Thunderbolt 3 are very different things. As a prime example, Apple's 12-inch Retina MacBook has a USB-C port that is not a Thunderbolt 3 port and can't begin to do what Thunderbolt 3 can do. And a USB-C dock can't begin to do what a Thunderbolt 3 dock can do. The 2016 MacBook is capable of driving a 4K display at 60 Hz via a single USB-C cable. Such a feat is achievable via an easy-to-apply IOKit patch. 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. 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. • Press [return] to select “Install to harddisk” again. • Back at the main VirtualBox window, click “Start” to re-launch the VM. This will take you to a different part of the installation process this time. • Press “1” and [return] to “Continue to boot FreeDOS from CD-ROM”, just like you did before. Operating at 30 Hz results in jerky and choppy cursor movement, and in some cases can induce headaches after prolonged use. Sadly, the MacBook only supports 30 Hz out of the box for 4K resolution. It’s not immediately clear as to why this is, but, Apple makes it known that 4K resolution is limited to 30 Hz. 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. In fact, I just did so on the monitor that I recently reviewed. Watch the step-by-step process in our video tutorial for the details. Disclaimer As to why Apple did not enable 60 Hz resolution out of the box on the 2016 MacBook, I’m still not sure. The Intel Core M chip, along with the Intel HD Graphics 515 integrated graphics, support 4K resolution at 60 Hz. Apple may have a valid reason for holding back 4K @ 60 Hz. Perhaps it has to do with heat or some other vital system aspect. Maybe Apple wants to sell more MacBook Pros. Perhaps it plans to release a future OS X upgrade with 60 Hz support in tow. In other words, if you decide to apply this patch, know that you are doing so “at your own risk”. 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. Be sure to check out Floris497’s for more details and specifics on connectivity options and driver support. Video walkthrough How to enable 4K@60 Hz on 2016 MacBook Step 1: Disable System Integrity Protection (SIP) To disable SIP, reboot your MacBook and hold ⌘+R until you see the Apple logo. This will cause your Mac to boot into recovery mode. Click the next arrow button on the welcome screen, and in the menu bar, click Utilities → Terminal. At the Terminal Prompt type: csrutil disable; reboot Press Return on your keyboard. Step 2: Download the patch Download Floris497’s patch. Select the loan account, enter the loan amount in the 'Debit' column and type a description. Cash loans for bad credit. Choose the date of the loan. And right-click on Raw and select Download Linked File As. Save it to your desktop. Step 3: Give the patch the needed permissions Open a Terminal window and type the following: chmod +x Drag the patch file from your desktop into the Terminal window and press Return on your keyboard. Step 4: Apply the patch Drag the patch file back into the same Terminal window and press Return on your keyboard. You will be prompted to enter your administrator password. Do this and press Return on your keyboard. The patch should run successfully. Step 5: Reboot your Mac Step 6: Open System Preferences → Displays on your external monitor, and verify that “30 Hertz” is no longer listed. You’ll also notice that your cursor movement is a lot smoother.
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