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Old 04-28-2021, 04:06 PM   #11
rottyman
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Same issue, Upgrade to Big Sur 11.3. I'm using Targus dual display 4K with HDMI and twin LG 4K displays Monitor is now showing 1920x1080 max using Display Link. Was working Great for months before Big Sur upgrade last night.
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Old 05-04-2021, 10:11 AM   #12
davss
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Just letting you know some people are reporting problems with 4K resolution on DL 1.3 and Apple macOS 1.3.X update:

https://www.displaylink.org/forum/sh...ad.php?p=91797

I'm holding off my 1.3.1 update until people confirm all is working 100% and all resolutions are supported properly.

Cheers,
David
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Old 05-04-2021, 04:39 PM   #13
pjl
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I just updated to 11.3.1 this morning. It is working fine with two 1080p and one 1440p (total 3 monitors) via Dell D6000 and Anker USB hub. All refresh rates are 75Hz. Clamshell mode is working correctly, too.
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Old 05-04-2021, 06:06 PM   #14
kuros33
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I can confirm, that DL 1.3 does NOT work with 4k Dell display on Big Sur 11.3.1 (checked on MBA M1), 1080 is the highest resolution available on the list
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Old 05-04-2021, 09:09 PM   #15
davss
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I just took the risk and updated my macOS to 11.3.1 + DisplayLink Manager 1.3.0 (Build 56.111) - all is working well in clamshell mode (with the help of Amphetamine app) on Air M1 2020 i.e. :

1 x Dell U4919DW at 5120 x 1440px via single Dell's bi-directional USB-C cable that came with the monitor (this is the single allowed native external display) [top USB-C port, charging + video]

3 x Dell 2515H via UGREEN 10in1 USB-C hub and 3 x StarTech DL USB 3.0 -> DP adapters at 2560 x 1440 [bottom USB-C port]

It appears it's working fine with DL 2K but some users reported issues when pushing it to 4K and workarounds need to be done to use this resolution.

Cheers,
David

Last edited by davss; 05-06-2021 at 12:31 PM.
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Old 05-06-2021, 11:54 AM   #16
kuros33
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Quote:
Originally Posted by kuros33 View Post
I can confirm, that DL 1.3 does NOT work with 4k Dell display on Big Sur 11.3.1 (checked on MBA M1), 1080 is the highest resolution available on the list
I might have been wrong though. RDM shows 1920x1080 HiDPI.
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Old 05-09-2021, 04:38 AM   #17
Xord
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Mac Big Sur 11.3.1 (May 2021) update has broken the 4K resolution of my monitor (using DP interface) - I am not able to scale to anything more than 1920x1080 - using Plugable USB-C Triple dislplay 4K Docking Station

FYI: Prior to the update - using v11.3.0, it worked OK

From reading these forums, flipped the connection to HDMI - which DOES work to 4K resolution...
Ordered a DP to HDMI cable, and will report back if that works to 4K resolution.

Last edited by Xord; 05-09-2021 at 07:59 PM.
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Old 06-03-2021, 01:23 AM   #18
davss
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I've just updated my Big Sur 11.3.1 to DL 1.4 and all is working fine on my 3 x DL 2K setup.

I've not tested screen rotation because can't see such option in Preferences > Displays anymore? Attached are the only options I'm getting:
Attached Images
File Type: jpg Screenshot 2021-06-03 at 02.22.31.jpg (8.5 KB, 0 views)
File Type: jpg Screenshot 2021-06-03 at 02.22.36.jpg (9.5 KB, 0 views)
File Type: jpg Screenshot 2021-06-03 at 02.24.52.jpg (9.3 KB, 0 views)
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Old 06-03-2021, 09:14 PM   #19
davss
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Hi,

Has anyone installed the latest macOS Big Sur 11.4 update yet?

Ta,
David

Last edited by davss; 06-04-2021 at 09:02 AM.
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Old 06-04-2021, 09:25 PM   #20
tommiy
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Low res 4k is available but other than that no other HiDPI resolutions above 1920x1080.
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