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UltraWide monitor no longer QHD resolution after Catalina upgrade

My LG 49WL95C-W UltraWide monitor has been working great and I upgraded to Catalina last night on my MBP 2017 15" and now my resolution is like a large type edition. I can't get it to natively support QHD and it will only go to (3840 x 1080). I installed the latest LG Screen software and updated the monitor firmware and still no change. Any clue how to fix this so I can get back to QHD which is partially why I bought this monitor?

Posted on Oct 8, 2019 9:18 AM

Best reply

nutcore

Level 1

14 points

Posted on Oct 9, 2019 6:39 AM

I figured out a way to fix it with a free app from github called disable monitor. Download it, unzip, transfer to app folder and open. The icon will show up on your top menu and will allow you to choose whatever resolution you'd like, 5120 x 1440 for your particular monitor.

https://github.com/eun/disablemonitor

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26 replies

nutcore

Level 1

14 points

Oct 12, 2019 9:35 PM in response to aedencalvin

thats awesome! Glad it worked for you too.👍

Oct 14, 2019 6:21 PM in response to nutcore

Niiiice, Hey Thanks so much - seems to be working now.

Nov 2, 2019 12:21 AM in response to nutcore

Does this fix the problem? Doesn't it just downscale 5120x1440 to 3840x1080?

Nov 2, 2019 12:30 AM in response to Bjorn Stabell

See reddit thread: https://www.reddit.com/r/ultrawidemasterrace/comments/c3q1y4/49wl95c_on_13_macbook_pro_with_mac_os/f63j0af/

Nov 2, 2019 5:01 PM in response to nutcore

When I tried it would just downscale - can you check to see which resolution your "About This Mac" > "Displays" shows? If it's downscaled it will still say 3840x1080, if not it'll say 5120x1440.

nutcore

Level 1

14 points

Nov 25, 2019 12:43 PM in response to almgreen

yeah its essentially the same, I supposed switchresx more refined, thus why its not freeware. It's interesting you find it substantially better, I might have to give it a go.

almgreen

Level 1

4 points

Nov 25, 2019 12:49 PM in response to nutcore

For me it was well worth $17.32, now I have zero lag and no issues when rebooting or waking up.

Nov 27, 2019 8:22 PM in response to almgreen

The apps you mentioned do not work. They just scale the 1080p, resulting in same fuzzy text but just smaller to give illusion of 1440p. I have mbp 13" 2017 with touchbar, base model.

Dec 5, 2019 3:01 AM in response to Dangerousmadcow

do you have the 15”?

Pitjitsu

Level 1

4 points

Dec 7, 2019 10:10 PM in response to checkyourmirrors

Here is a posible solution: https://www.reddit.com/user/pitjitsu/comments/e7q8do/49wl95c_mac_resolution_issue_fixed/

Jan 11, 2020 8:18 PM in response to nutcore

@nutcore = ROCKSTAR! thanks man... and "common Apple!" Sheesh

UltraWide monitor no longer QHD resolution after Catalina upgrade