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-   -   No 4k on Mac OS 11.3 (M1) (https://displaylink.org/forum/showthread.php?t=67653)

phzfn 04-27-2021 11:56 AM

No 4k on Mac OS 11.3 (M1)
 
1 Attachment(s)
After upgrading to macOS 11.3 i cannot select a 4k resolution for my DisplayLink connected screen anymore. Before the update it worked well.

throw 04-27-2021 01:05 PM

Hi am experiencing the same, before the update it was working perfectly (smooth @4k).

It broke with the update to BigSur 11.13 and now the best I can get is 1080p.

JanB 04-27-2021 03:25 PM

1 Attachment(s)
I am using a resolution switcher (RDM - https://github.com/avibrazil/RDM) which gives me a workaround for the missing resolutions (but no HiDPI > 1080).

Works fine on a MacBook Air M1 with LG 4k Monitor connected via DisplayLink Dock.

BHedges 04-27-2021 05:01 PM

I have this too, reported to support last night, supplied logs this morning.

neurosys 04-27-2021 09:16 PM

RDM works great
 
Quote:

Originally Posted by JanB (Post 91768)
I am using a resolution switcher (RDM - https://github.com/avibrazil/RDM) which gives me a workaround for the missing resolutions (but no HiDPI > 1080).

Works fine on a MacBook Air M1 with LG 4k Monitor connected via DisplayLink Dock.

RDM works great! Thanks for that work around

throw 04-28-2021 08:42 AM

Quote:

Originally Posted by neurosys (Post 91774)
RDM works great! Thanks for that work around

It is nice and really cool that you found the workaround and posted it! :) :)

We should not forget that this is a workaround and DisplayLink should support the latest version of BigSur.

rottyman 04-28-2021 02:27 PM

Rollback
 
Any thoughts of rolling back the OS Update? Having a 4K monitor is more important that any new feature in 11.3. As a work around until DisplayLink Supports 4K again for 11.3

rottyman 04-29-2021 12:07 AM

Quote:

Originally Posted by rottyman (Post 91780)
Any thoughts of rolling back the OS Update? Having a 4K monitor is more important that any new feature in 11.3. As a work around until DisplayLink Supports 4K again for 11.3

I have found out this is not possible :(

Tazovsky 04-29-2021 01:01 AM

Quote:

Originally Posted by rottyman (Post 91786)
I have found out this is not possible :(


Why do you mean? Did version 11.3 introduce some limitations?

rottyman 04-29-2021 02:24 AM

Quote:

Originally Posted by Tazovsky (Post 91787)
Why do you mean? Did version 11.3 introduce some limitations?

I read that if you use Time machine to restore, it does not restore OS updates. I'm relatively new to Mac so not sure how true that is. I did a restore from yesterday (before I updated to 11.3) and I am still running 11.3. It did not roll back my OS update.


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