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LG 34UC88 monitor not showing correct resolution

Joined
Aug 19, 2016
Messages
3
Hello,

I recently installed macOS Sierra (10.12.3) on my desktop computer. My monitor has a native resolution of 3440x1440, except despite my best efforts, I can't get the OS to recognize/use it. I've tried posts like this one (the effects of which are still in place btw) as well as SwitchResX, but nothing seems to be working for me. I'm using DP as my connection, and know that the cable is not an issue. Some specs:

Mobo: Gigabyte Z170M
Proc: Intel i5 6600k
GPU: ASUS ROG Strix GTX 1070 OC (+ Nvidia web drivers installed and in use)
RAM: 16GB EVGA DDR4 3000MHz

I'm really lost on this, any help is much appreciated!
 
Last edited:

P1LGRIM

Moderator
Joined
Mar 2, 2012
Messages
24,596
Motherboard
Lenovo ThinkStation p300 ⌘
CPU
i7-4790K
Graphics
HD 4600
Mac
  1. MacBook Pro
  2. Mac mini
Classic Mac
  1. Power Mac
Mobile Phone
  1. iOS
Hello,

I recently installed macOS Sierra (10.12.3) on my desktop computer. My monitor has a native resolution of 3440x1440, except despite my best efforts, I can't get the OS to recognize/use it. I've tried posts like this one (the effects of which are still in place btw) as well as SwitchResX, but nothing seems to be working for me. I'm using DP as my connection, and know that the cable is not an issue. Some specs:

Mobo: Gigabyte Z170M
Proc: Intel i5 6600k
GPU: ASUS ROG Strix GTX 1070 OC (+ Nvidia web drivers installed and in use)
RAM: 16GB EVGA DDR4 3000MHz

I'm really lost on this, any help is much appreciated!
There is no support whatsoever for the GTX 10*0 graphics series.
 
Joined
Jan 21, 2014
Messages
2
Motherboard
Gigabyte GA-Z170MX-Gaming 5
CPU
i7-6700K
Graphics
GTX 1060
Mac
  1. iMac
Mobile Phone
  1. iOS
Hi,
I have the same monitor ans it World with hdmi or Display. I can help you if you have the same problem.
 
Joined
Mar 2, 2017
Messages
5
Motherboard
Gigabyte GA-Z170X-Designare
CPU
Intel Core i7-6700K
Graphics
HD 530
Hi,
I have the same monitor ans it World with hdmi or Display. I can help you if you have the same problem.
Hi man, I just bought an ultrawide Samsung monitor with resolution 3440x1440. I have pretty much the same setup as you do (MoBo Gigabyte GA-Z170X-Designare, CPU Intel Core i7-6700K, I'm using integrated graphics HD 530 and I'm on Sierra 10.12.3). My Hack doesn't have the appropriate resolution for my screen and I'm not sure how I can make it work, and from what I read you managed to find a way. I usually use HDMI too. Could you please advise on how to fix this? Thanks in advance!
 
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