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Questions tagged [4k]

4K, or UHD (Ultra High Definition), is a display resolution of at least 3840 x 2160. Includes all technologies, components and accessories associated with 4K resolution.

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2018 MacBook Pro + LG 4k display = no 60hz

I've got 2018 MacBook Pro 15" (Radeon Pro 560X), which I'm connecting to external LG 4K display (27UD69P-W) via Satechi Type-C to HDMI Adapter (says 4K/60hz on the box), but the display is running 30hz. How do I make it do 60hz? Thank you!
Alexander Eliseyev
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Can I do 4K@60hz with my early 2015 MacBook Pro Retina?

I have a MacBook Pro Retina early 2015 8 GB and Intel 6100 1536Mb. Today I used an HDMI cable to my TCL 55" TV (TCL U55S6906 / Chassis NT667E-EU) and when running Mac OS X the text is blurry and only at 30Hz. While running Windows 10 it looks…
user2037557
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How does display scaling work on Mac

So, I have a MacBook Pro 15” and I recently bought an LG 27” 4K monitor. When I connected the monitor, system report said that the original resolution is 4K but the picture looks like 1920x1080 (using 4 pixels for 1 displayed pixel) on the screen.…
Anton Unt
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UHD Blu-ray playback on iMac 5K 2017?

I recently saw that there are already UHD 4K Blu-ray drives (with SATA) available, like this one from Pioneer which should (combined with appropriate USB housing) make mounting the disks in macOS possible. So I was wondering if I can get UHD Blu-ray…
YourMJK
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2017 MacBook Pro can't connect to Dell P2715Q via USB-C to DisplayPort cable

I purchased a USB-C to DisplayPort cable from Amazon to connect my 2017 MacBook Pro to a Dell 2715Q however it does not seem to be working. From what I've read and from some of the cable reviews, there shouldn't be an issue yet my MacBook does not…
user115188
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MacBook Pro 13" (2018) cannot drive 4k display @ 60Hz from right-hand USB-C ports

I have a new MacBook Pro 13" (mid-2018 Touch Bar). I'm connecting an LG 27UD88 external display directly via the supplied USB-C cable, which is also used to provide power to the laptop plus allows the display to act as a hub for USB-A devices. The…
Daniel Jones
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Can the new 2016 MacBook Pro 13" without Touch Bar drive a 4K display?

I currently have an old MacBook Pro 15" Retina from 2012, driving two monitors, a 24" 4K monitor and a 21.5" 1080p monitor. This setup works, except for one catch - the 4k monitor refreshes at 30Hz, which makes it a bit laggy. I was thinking of…
Gaurav Sharma
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4K Monitor and performance issues with MBP Late 2015

As a software developer I insisted on buying a 4K Monitor which used to work with my previous MBP 2017 quite ok.The Retina MBP Late 2015 has output that lags quite a bit when I use a scaled resolution. The output is only OK if i try the 4k or 1080p…
Ilker Baltaci
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4K 60Hz over DP with Late 2013 Macbook Pro 15" + Dell P2415Q?

I have a Late 2013 15" Macbook Pro with discrete graphics. According to this Apple support page: https://support.apple.com/en-us/HT206587 this model supports 4K 60Hz over MST. I just purchased a Dell P2415Q monitor, which supports DisplayPort 1.2,…
Jon W
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Does the "Larger text" VS "More space" trade-off in Display preference affect the 4K resolution of an external monitor?

I am using my Macbook Air M1 2020 with a new external 32" 4K monitor I just bought since the file names' character size, or the Chrome bookmark text is too small. Hence, I noticed I could just use in System->Display a "scaled" resolution in the…
Penelope Benenati
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Can the M1 MBP drive a 4K display at 60Hz when not in clamshell mode?

I have an M1 MBP. I connect it to my external display (DELL S2721QS) using a HyperDrive Viper hub. When my MBP is in clamshell mode, the external display works at 4K 60Hz resolution. When the MBP is open, the external display only works at 4K…
Matt Cowgill
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Will an external 4K monitor cause performance issues on my MacBook Pro?

I'm looking to buy a 27" display for my MacBook Pro (2017 | 15.4-inch 2880 x 1800 | Intel HD Graphics 630 1536 MB graphics) I am considering a 4K display, but I've read in multiple places that scaling can cause performance issues. (This article…
DavidM
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4K HDMI output from MacMini (late 2018) to LG C8 (OLED55C8PLA)

The LG TV just says "no signal". I'm connecting the Mac Mini to another TV just fine (1080p though). I'm using the same cable to connect a Windows 10 machine and it works over 4K just fine. Is there some setting I need to set in order to make this…
Paweł Gościcki
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Can a Late 2016 MacBook Pro drive a 4K monitor with HDR?

I'm quite tempted by some 4K HDR external monitors that are slated to come to the market soon. Question is - can a Late 2016 MacBook Pro drive 4K HDR monitor at 60Hz? 4K monitors are supported as per Apple doc, but it doesn’t mention HDR at all.
S.Poitier
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How to upload the 4k videos taken to YouTube?

iPhone 7 Plus can take 4k videos, but if you click on the Photos app and upload to YouTube, for some reason it is limited to 240p. If you click on the YouTube app and upload, then it is 1080p. Is there a way to upload directly from iPhone to YouTube…
nonopolarity
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