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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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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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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How to connect two LG 27UD88 to single thunderbolt 3 port

I have late 2016 MacBook Pro 13, which has thunderbolt 3 and according to specification can chain two 4k monitors. So if that's correct, how would it be possible to connect two LG 27UD88 monitors over ...
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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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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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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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How to unlock Sierra Refresh Rate for other resolutions less than 4k?

I had a MacBook Pro 2017, using a USB-C to HDMI which can support 4K@60Hz. I ran CoreDisplay patcher to enable 60Hz for 4K resolution: But Refresh Rate is still locked at 30Hz for other resolutions....
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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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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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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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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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Looking for a way to automatically change zoom/scale when switching resolution

I have a 40" 4K display, which I frequently switch between full 3840x2160 mode and 2560x1440 (HiDPI/Retina) depending on what I'm working on. The problem is that with 3840 it's hard to read text, so ...