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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44 views

2018 Macbook Air hot/slow when using UHD monitor

So I upgraded from a 1080p 27 inch monitor to the following Samsung 32" UHD 4K Monitor Model: LU32J590UQNXZA I've tried connecting over HDMI using a USB C dock, and over Displayport with a ...
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20 views

Why is Launchpad laggy when using a scaled resolution?

I bought a 32" 4k display and when I use the 4k resolution on it, everything is too small. This is why I use something in between 2k and 4k, but that resolution is not native apparently, and Launchpad ...
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39 views

Retina MacBook Air: External Monitor lag issue

I have a new 2018 Retina MacBook Air, 1.6Ghz i5, 16GB memory, Intel UHD Graphics 617 1536 MB. I am connecting this to an external monitor, a Dell P2415Q, using an HDMI cable and a Targus DOCK412USZ ...
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1answer
117 views

Can a 2018 Mac mini support dual 4k monitors at 60 Hz?

I guess I need more of a personal experience answer. The specications say that a Mac mini can support dual 4k monitors, but are there any caveats to this? I am planning to get 2 x 4k monitors and run ...
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151 views

Can macOS 10.14 (mojave) output a 4K HDR desktop to a 4K HDR TV?

How can I get macOS 10.14 on my MacBook Pro (15-inch, 2016) to output the macOS UI (desktop) in HDR mode to my Samsung Q6F 4K HDR TV display? I'm using a USB-C/Thunderbolt to HDMI 2 dongle and an ...
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1answer
65 views

Cannot get 60 Hz on MBPr 13" 2018

I connect my Macbook Pro 13" 2018 with Mojave 10.14.5 to the external display Fujitsu P27-8 TS UHD via adapter Dell DA301. All the components of this chain are capabale of 4k@60Hz. However, I can only ...
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52 views

How can I play 4k video on Macbook Pro 2015

I have lots of 4k videos that I took on my GoPro recently. They play perfectly on the GoPro itself and on my iPhone 7. But, when I downloaded them to my laptop via SD card and play them using ...
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1answer
80 views

Watching personal 4K videos on Apple TV 4K

It seems I'm not able to watch 4k/60 FPS personal videos on an Apple TV 4K. I put them in photos and while I'm sure they're 4K, I only get to stream HD from my Apple TV 4K. I have a gigabit ...
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1answer
29 views

Connecting external display to Early 2015 MacBook Pro [duplicate]

Does Early 2015 MacBook Pro output 4K 3840 via Mini DisplayPort to DisplayPort? I seem to get only HD max option on YouTube videos. I have a Samsung U32J590U 31.5" 4K UHD monitor. If not, do I have ...
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2answers
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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 ...
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1answer
901 views

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 ...
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1answer
847 views

Forcing Intel HD Graphics 5000 on a 2013 MacBook Air to output 4K

I have a late 2013 MacBook Air, running macOS Mojave connected to a 4K Monitor: Intel HD Graphics 5000: Chipset Model: Intel HD Graphics 5000 Type: GPU Bus: Built-In VRAM (Dynamic, Max): ...
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1answer
290 views

External 4K display with 2012 MacBook Pro 15"

I have a MacBook Pro Retina mid 2012 and have bought a couple of BenQ 4K EL2870U monitors. I've connected the two monitors up to the MacBook through a couple of Mini Display Port to Display Port ...
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1answer
717 views

External GPU allow a late 2014 mac mini run 4k at 60Hz?

Would an external GPU allow a late 2014 mac mini run a 4k display at 60Hz? Or would the CPU in the mac mini prevent this.
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1answer
506 views

2018 Mac Mini 4k Scaling issue

I just bought a 2018 Mac Mini (3.2 GHz i7) and three 4k monitors (one 32 inch and two 27 inch). The setup is great, but there is one flaw. 4k is too small! This is a common complaint and while Apple ...
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4answers
8k views

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 ...
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1answer
666 views

memory footprint of 4k monitor on 2018 13" Iris 655

I'm thinking of getting a 2018 MBP 13" to connect two 4k displays simultaneously. I assume that once that happens, the system memory footprint is going to increase in order to buffer these displays, ...
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0answers
364 views

Dual 4K Monitor Daisy Chain with MacBook Pro 2016 and Lenovo P32U

I'm using a Macbook Pro 15" with Touch Bar MY 2016. Just got today 2 brand new Lenovo P32U, each one 32"4K - one of the first ever with 2 USB-C Thunderbolt 3 so allowing daisy chain configuration. ...
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0answers
175 views

Color issues with 4k @ 60hz

I'm at my wits end on this. I've gone through two different macs and two different displays trying to fix this issue. The goal: I want to connect my 2015 Macbook pro to a 4k Samsung display at 60hz. ...
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1answer
77 views

Can I use MST on one mDP and 4k on the other?

I have a mid-2015 MacBook Pro 15" retina (A1398), and I'm trying to setup external displays as follows: 4k tv (TCL 43s405) @60 hz with mDP to HDMI adaptor 2x HP VH240A 1080p using mDP to 2xHDMI MST ...
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111 views

Dual 4k monitor setup at 60hz with 2015 15" MacBook Pro with Intel Iris Pro over display port [duplicate]

Is it possible? Apple site says it can run two 4k displays. But can it drive them both at 60Hz? Upd. Question was marked as duplicate, but this is not fully correct - 2015 MBP 13 and 15 have ...
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1answer
71 views

Four 4k simultaneous playbacks from new Macbook Pro?

Is the new 15" Macbook Pro 2018 capable of playing four 4k videos on four 4k displays simultaneously?
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1answer
619 views

MacBook Pro (Mid 2014) 4k external displays performance

I was using my MacBook pro for years with two external full HD displays without a problem. Recently I switched to two 4K displays and since then fans in my MacBook spin all the time when when hooked ...
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1answer
29 views

Why on Apple TV 4K, using Siri with “Move forward by 2 minutes” moved the movie back to near the beginning?

When I was watching the movie at 00:50:00 (about 50 minutes into the movie), and I said to Siri on the Apple TV 4K, "Move forward by 2 minutes", it moved the movie to 00:02:00 (near the beginning of ...
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1answer
26 views

How do I tell my Apple TV 4K to retry for using 4K as a default?

When I set up the Apple TV 4K, it was possible that the Internet speed was slower than usual, and Apple TV 4K said it is not possible to play at 4K for the iTunes movies that I purchased. But what ...
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1answer
2k views

How to tell which resolution my iTunes movie is playing at?

For Apple TV 4K, if an iTunes movie has 4K available, but possibly due to my other Internet usage, the speed required (25Mbps recommended) is or is not possible. Then how can I tell which resolution ...
2
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0answers
317 views

Dual 4K monitors with 2017 Macbook Pro base model [closed]

I have the base model 13 inch 2017 Macbook Pro and want to use dual 4K monitors. I know Apple officially supports the use of two 4K monitors, but I am unsure if the performance will be poor. From ...
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1answer
126 views

2017 15" MBP & UHD TV: 4k60Hz *very* intermittent

I have the MacBook Pro (15-inch, 2017), a Samsung 4k display, and a USB-C to HDMI cable between them (plugged directly into the computer). The entire setup supports everything necessary. Please don't ...
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1answer
2k views

macOS resolution can't scale up

I'm running macOS High Sierra 10.13.4 on VMware on Windows 10 Pro 1803 build 17134.1. My screen's resolution is 3840x2160 (4K) and I want the macOS to be in resolution 3840x2009. However. it seems ...
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2answers
1k views

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 ...
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1answer
89 views

Will Docking Station make Early 2013 MacBook Pro faster

I am using my Early 2013 MacBook Pro (max spec.) connected to an external 4K monitor (as described here: Early 2013 Macbook Pro with 4K). Everything is good, but it seems a bit slower than before and ...
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2answers
2k views

How to connect 2 external non Apple monitors with 13" MacBook Pro 2017

This MacBook Pro has only two USB-C ports. Since one is used to charge the laptop (the monitor can't charge the laptop), there is only one available port to plug a monitor. Is it possible to connect ...
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1answer
86 views

Can we use two thunderbolt 1 ports as two inputs into a 4k monitor

I'm wondering if an early 2013 macbook pro retina (so two thunderbolt 1 ports, each supposedly outputting up to 10gbps) can have both thunderbolt ports plugged into a Dell or LG 43 inch 4k monitor as ...
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1answer
385 views

How to connect an early 2013 MBP to a 4K LG Television

I've seen some people on YouTube saying they were able to connect an early 2013 MAC Book Pro with some 4K Monitors. I bought an 4K LG TV. It seems that I can't connect using 60Hz. I already tried the ...
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2answers
2k views

2017 Macbook Pro + TCL 4K Display = No 60Hz

I have the 15" 2017 MacBook Pro (with the four USB-C/TB3 connectors). I recently bought this TV, which is my first and only 4K display: https://www.amazon.com/TCL-43S405-43-Inch-Ultra-Smart/dp/...
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1answer
1k views

Does an Apple TV stream 4K movies if the Internet connection is somewhat less than the recommended 25Mbps?

This is to decide whether to buy an AppleTV 4K or not: For example, some areas may have an 18 to 22Mbps Internet connection, and is just about 10% to 20% lower than the official recommended 25Mbps. ...
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2answers
4k views

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 ...
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3answers
13k views

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 ...
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2answers
3k views

How to get an LG Ultra HD (27UD88) and Macbook Pro 13" 2017 running at 60hz?

I recently bought a MacBook Pro 13-inch 2017 and an LG Ultra HD (27UD88) 27" display. Before buying the display I researched a bit and found no issues in relation to the MacBook Pro. However, after ...
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1answer
2k views

“Play/Pause” button on remote does nothing, Apple TV 4K

The "Play/Pause" button in the lower left corner of the remote control for the Apple TV 4K has no effect. Previously it stopped and started videos playing in apps such as Netflix. Workaround: ...
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1answer
767 views

Difficulties with 4k60 support on my Late 2013 27" iMac

I have a late 2013, 27" iMac with a GeForce GTX 780M graphics card, which I'm trying to get to connect to two 4k displays (Asus MG28U) at 60Hz. When I connect them, I am limited to 30Hz (but ...
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1answer
2k views

Apple TV zoom/stretch (Netflix app)

What gestures or buttons make the Apple TV in Netflix app zoom/stretch the image to fill screen? On the Apple TV 4K (2017) using Netflix app, I somehow zoomed/stretched an old tv show with nearly-...
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0answers
239 views

OSX 10.13 Font rendering problem - Dell U3417W, ultrawide curved displays look awful.

I realize this question has been asked before, but there seem to be about 50 different posts all offering different answers which haven't solved my issue. I have a 2017 Macbook Pro. I just picked up ...
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1answer
808 views

Some purchases NOT showing up on my Apple TV (4K)

Numerous shows that I have purchased are NOT showing up on my Apple TV. I have tried logging out then logging back in, but still they do not show up. They are on my iPhone and iPad.
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1answer
345 views

MacBook Pro crashes when plugging in 3 4k screens

I have a Late 2013 MacBook Pro with NVIDIA GeForce GT 750M 2GB graphics card running macOS High Sierra 10.13.1, and when I attempt to connect 3 4k screens (2 Mini DisplayPort, 1 HDMI) while running ...
3
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1answer
2k views

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....
3
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1answer
346 views

60hz on LG Ultrafine 4K with Macbook Pro 2016

I'm struggling to get 4096 x 2304 at 60hz using the hardware mentioned. It works intermittently. If I unplug and replug the monitor cable, it sometimes comes back in 60hz. But then it reverts to ...
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1answer
885 views

Can I get stable 4K 60Hz with two external displays without MBP screen on? What about performance with MBP15 mid-2015DG

I want to buy two 24 or 27 inch monitors for work (Xcode, Sketch, Android/Visual Studio) with high screen resolution. I'm worried about performance with my notebook (MBP 15" mid-2015 DG, 16GB RAM, ...
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1answer
392 views

How fix fonts on external tv look good view?

i have a little problem with my mac and external tv (LG 4K). Macbook air 2012 (intel HD 4000) LG 43UJ6307 i connect macbook with MiniDisplayPort -> DVI -> HDMI (1.4). by default i cannot set ...
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1answer
726 views

Can we download iTunes's 4K movies?

I saw in the Hong Kong iTunes store showing "Featured 4K HDR Movies": but it doesn't show a 4K logo or a 4K download size: Is it downloadable? Can it be viewed on the Mac in 4K (such as on the iMac ...