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LG UltraFine 5K Build

Joined
May 16, 2010
Messages
59
Motherboard
Gigabyte GA-Z270X-UD5
CPU
Intel Core i7 8700K
Graphics
Radeon RX Vega Frontier Edition
Mac
  1. Mac Pro
Mobile Phone
  1. iOS
GA-Z270X-UD5 and Alpine Ridge ? Good to know ! Is the sound working? I had troubles...

Yep GA-Z270X-UD5 and Alpine Ridge working great! The sound is also working too however when waking up from a sleep state I've noticed all the USB functions aren't recognized (not sure if theres a fix for this since I think its related to thunderbolt 3). The display still works perfectly at 5k though after waking from sleep.
 
Joined
Jan 18, 2014
Messages
40
Motherboard
Gigabyte Z270x-Gaming 5
CPU
7700K
Graphics
RX 5700 XT
Mac
  1. MacBook Air
Yep GA-Z270X-UD5 and Alpine Ridge working great! The sound is also working too however when waking up from a sleep state I've noticed all the USB functions aren't recognized (not sure if theres a fix for this since I think its related to thunderbolt 3). The display still works perfectly at 5k though after waking from sleep.

Hi I've got the
Gigabyte GA-Z270X gaming 5 version with alpine ridge and LG Ultrafine 5K

Could you share your settings?
 
Joined
Apr 20, 2017
Messages
24
Motherboard
GA-Z270X-UD5
CPU
i7-7700K Kaby Lake
Graphics
GeForce 1080 Ti
Yep GA-Z270X-UD5 and Alpine Ridge working great! The sound is also working too however when waking up from a sleep state I've noticed all the USB functions aren't recognized (not sure if theres a fix for this since I think its related to thunderbolt 3). The display still works perfectly at 5k though after waking from sleep.

Thanks for your feedback :)

Is the RX480 working fine? 9to5Mac said it crashes a lot...
 
Joined
Jan 18, 2014
Messages
40
Motherboard
Gigabyte Z270x-Gaming 5
CPU
7700K
Graphics
RX 5700 XT
Mac
  1. MacBook Air
I got my system booting as iMac 17.1 now (before I could only boot as 14.2), and this does not help either. The 5K display is still not recognised properly :-/ Perhaps this is a Nvidia issue, as et seems people can get it working with a 480. My issue is that the whole point of running a Hackintosh is to get Nvidia cards.
 
Joined
Apr 20, 2017
Messages
24
Motherboard
GA-Z270X-UD5
CPU
i7-7700K Kaby Lake
Graphics
GeForce 1080 Ti
I got my system booting as iMac 17.1 now (before I could only boot as 14.2), and this does not help either. The 5K display is still not recognised properly :-/ Perhaps this is a Nvidia issue, as et seems people can get it working with a 480. My issue is that the whole point of running a Hackintosh is to get Nvidia cards.

Did you try with remote desktop to change the resolution? I don't have the Alpine Ridge yet, but I'm able to have it working with the 1080Ti in low resolution...
 
Joined
Jan 18, 2014
Messages
40
Motherboard
Gigabyte Z270x-Gaming 5
CPU
7700K
Graphics
RX 5700 XT
Mac
  1. MacBook Air
It works in lowres, so it is recognised just not properly, and it also shows up as two separate displays, when both dp cables are plugged in the alpine ridge card.
 
Joined
Apr 22, 2017
Messages
2
Motherboard
GA-Z370 AORUS Gaming 5
CPU
i7-8700K
Graphics
Sapphire RX Vega64 8G
Mac
  1. MacBook Pro
Mobile Phone
  1. iOS
Yep GA-Z270X-UD5 and Alpine Ridge working great! The sound is also working too however when waking up from a sleep state I've noticed all the USB functions aren't recognized (not sure if theres a fix for this since I think its related to thunderbolt 3). The display still works perfectly at 5k though after waking from sleep.
Hi, I have “Z270X-UD5+i7-7700K+GTX1080+GC-ALPINE RIDGE+LG Ultrafine 5K”,but always black screen with Apple logo appeared for 5-10s.
Could you share your settings?Thank you very much!
 
Joined
Jan 18, 2014
Messages
40
Motherboard
Gigabyte Z270x-Gaming 5
CPU
7700K
Graphics
RX 5700 XT
Mac
  1. MacBook Air
Joined
Nov 4, 2016
Messages
113
Motherboard
GA-Z170x-Designare
CPU
Core i7-6700k
Graphics
AMD FirePro W9000 + Radeon 7970
Hi Andy, I have almost the same setup as you and I can only get it working in non retina mode or 1080 retina mode. Perhaps it is somekind of AMD/Apple trickery as jsfullr's specs says he/she is running a rx 480 and not a Nvidia card. Perhaps we can collectively let Nvidia know we would like this to work:

https://forums.geforce.com/default/...scal-based-graphics-card-drivers-for-macos/3/
As I and others that run 5K displays can tell you, AMD cards make running 5K monitors much simpler if you do the necessary tweaks. nVidia's 5K monitor support is incomplete and crashy at best.
 
Joined
Apr 22, 2017
Messages
2
Motherboard
GA-Z370 AORUS Gaming 5
CPU
i7-8700K
Graphics
Sapphire RX Vega64 8G
Mac
  1. MacBook Pro
Mobile Phone
  1. iOS
Hi Andy, I have almost the same setup as you and I can only get it working in non retina mode or 1080 retina mode. Perhaps it is somekind of AMD/Apple trickery as jsfullr's specs says he/she is running a rx 480 and not a Nvidia card. Perhaps we can collectively let Nvidia know we would like this to work:

https://forums.geforce.com/default/...scal-based-graphics-card-drivers-for-macos/3/
Thank you for your reply! If so that is a problem!
I had try to connect to a 4k monitor(DELL P2415Q) without GC-ALPINE RIDGE,it works normally in 3840*2160(HDPI 1080P) ,but if I connect to Ultrafine 5K with GC-ALPINE RIDGE it just black screen…
 
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