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ohmr Author

Level 1

15 points

Mac Mini 2018 and LG 49WL95C-W 49-Inch Curved 32: 9 Ultrawide

I just purchased a Mac Mini (although in the system preferences it says that is a 2018 model); however, it is the latest model. I also purchased an LG 49WL95C-W 49-Inch Curved 32: 9 Ultrawide monitor. The monitor runs perfectly fine with my laptop (MacBook Pro 2017 model) at the expected resolution (5120 x 1440).

However, the Mac Mini can only go to 3840x1080.

After reading about external GPUs, I decided to buy a Razer Core X Aluminum External GPU Enclosure (eGPU) and a Radeon Rx 590 Gaming 8G Graphics Card,(Gv-RX590GAMING-8GD). After spending more than $3500 in this setup (without monitor), the Mac Mini still does not work at 5120 x 1440. However, my older Mac Book Pro does.

Any other suggestions before I return all of these?

Thank you in advance!

Mac mini, macOS 10.14

Posted on Jun 12, 2019 9:20 AM

Top-ranking reply

Nixosp

Level 1

13 points

Posted on Aug 8, 2019 9:39 AM

I also have this problem. I have found a work-around that is acceptable to me, maybe it is also acceptable to others.

I have plugged one usb-c connection from Mac to monitor and an additional hdmi connection. I then configured the monitor to display both connections on the screen using the pip/pop mode. In my case, I am displaying 2/3 from usb-c and 1/3 from hdmi. This gives me the total 5120*1440 resolution.

As this is two screens from the macs perspective, it can be a little quirky, but works ok for my situation. You may want to display spaces.

Might be worth a try?

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121 replies

bgauci

Level 1

4 points

May 24, 2020 7:04 PM in response to Nixosp

Have been following this for some time and am looking to see if there is a work around (apple still have not supported 5120x1440 on mac mini)... can you help in showing how you have set this up to use the 2 monitor input way.

Also I'd also love to hear your thoughts on how it's been using the system that way. Are you still using it today? Any issues? I'm asking as I'm really interested in a 49 inch super ultra wide and can't justify the costs of a Macbook Pro 15" (which seems to be the only apple machines supporting them). Thanks!

Also..has anyone got this working with an egpu?? If so what specs/card?

I'm willing to get an egpu for the mac mini if I can get the res of 5120x1440 to work with this monitor

Xecc53s

Level 1

12 points

Apr 18, 2020 5:52 AM in response to MoneySnap

Ok I have to ask.

What MAC hardware are you using?
What version of the OS X are you running?
What GPU did you purchase?
What resolution are you running 5120x1440?

Jun 12, 2019 9:48 AM in response to ohmr

How are you connected to the Mac? According to the Video support specs with USB-C to DisplayPort the native DisplayPort is supported.

Jun 12, 2019 1:20 PM in response to ohmr

Are you going direct usb-c to DisplayPort or are you using HDMI? And are you using any converters/dongles or straight cabling in-out?

Jun 12, 2019 7:41 PM in response to ohmr

Same issue. On tech support with Apple. Did you have any luck yet?

Long Lane

Level 1

105 points

Jun 13, 2019 4:28 PM in response to ohmr

make sure you use a Thunderbolt 3 cable to be on the safe side! USB-C cables come in different flavours (the cheapest are USB 2 specs)!

ingridx

Level 1

4 points

Jun 14, 2019 5:54 PM in response to Long Lane

Just came back from the apple store and bought a thunderbolt 3 cable. Still at the resolution of 3840x1080. The cable that came with the monitor is just as good.

ohmr Author

Level 1

15 points

Jun 14, 2019 6:15 PM in response to ingridx

Same here. I have tried several cables and I strongly believe that the issue is that it cannot handle the 32:9 ultra-wide mode for this particular monitor.

Aug 8, 2019 9:58 AM in response to Nixosp

Wow this solution is very intersting! It works just fine for me.

Sep 15, 2019 9:10 AM in response to Tesserax

The port on the monitor is USB-C and not Thunderbolt 3 with USB-C connector.

AlexP788

Level 1

4 points

Sep 20, 2019 12:45 PM in response to ShawnRivers

Just installed 10.15 Catalina and no fix at all - have that low res (((

AlexP788

Level 1

4 points

Oct 8, 2019 4:04 PM in response to BHeess

10.15 Catalina didn't fix the issue ((((

Is the somebody who knows how to get full res on mac mini 2018 with that monitor ? (((

Nov 13, 2019 12:25 AM in response to ohmr

Ugh. Same problem. Samsung C49RG9x. Every PC works at 5120 x 1440 perfectly. Hooked up a new macbook pro 15" and the resolution won't go higher than 3840x1080.

jin57

Level 1

4 points

Nov 13, 2019 9:22 PM in response to Geoffrey_loadmaster

Same as me. I gave up. I will sell my C49RG90 (used only 2 days )

Nov 19, 2019 3:33 AM in response to CJjovial

Nice! It looks like it is "Scaled" according to the attached screen dump. Does it also work with the "Default for display" option?

Mac Mini 2018 and LG 49WL95C-W 49-Inch Curved 32: 9 Ultrawide