[Solved] New MacOS Catalina breaks DisplayLink

[raym]

This worked.

Stupid question, but now the display link user agent is now allowed to record our screen? Is this a privacy issue?

[mlukaszek]

Hi raym,

The new permission is required to be able to use an interface of the O/S that allows the driver to get pixels that are supposed to be displayed on screens connected to DisplayLink devices.

Similarly, on Catalina, you probably noticed you are now being asked to grant permissions for various apps trying to access files in various locations on your disk that are potentially sensitive. (DisplayLink driver does not need any of that in order to work)

Both examples are part of the improved security mechanisms Catalina brings - giving more control to users.

Kind regards,
Michal

[raym]

Thank you Michal. This makes sense

[thethornley]

MacBook Air (13-inch, Early 2015)

After struggling to find the solution, I installed 5.1.1 and it is now working again with the permissions checked to record screen.

https://www.displaylink.com/downloads/file?id=1334 is where 5.1.1 can be found.

[lspintzyk]

Hi.

First of all. There is new macOS DisplayLink 5.2.1 beta 2 driver. Please make sure to have it installed: https://www.displaylink.com/downloads/file?id=1433

Secondly, Can you please follow that instructions? Does any of them helps you?
https://support.displaylink.com/know...ing-permission
https://support.displaylink.com/know...lay-is-working
https://support.displaylink.com/know...-functionality


If you still have issues please gather diagnostic information and attach them in the post.
Please use our support tool:
https://www.displaylink.com/downloads/file?d=66

I would be grateful for output of terminal command:
sudo kextstat | grep DisplayLink

[morberg]

I tried uninstalling the driver than reinstalling but now I don't get the message to approve in Systems Preferences > Security & Privacy > General tab. It installs with no problem, I have the Screen Recording Agent appearing and checked but I still cannot get my monitor to work. Any ideas?

DisplayLinkDriver:

Version: 5.2 (48)
Last Modified: 08/10/19 18:25
Bundle ID: com.displaylink.driver.DisplayLinkDriver
Notarized: Yes
Loaded: No
Get Info String: DisplayLink Driver 5.2.48 - Copyright © 2003 - 2019 DisplayLink (UK) Ltd. All rights reserved.
Obtained from: Identified Developer
Kind: Intel
Architectures: x86_64
64-Bit (Intel): Yes
Location: /Library/Extensions/DisplayLinkDriver.kext
Kext Version: 5.2 (48)
Loadable: Yes
Dependencies: Satisfied
Signed by: Developer ID Application: DisplayLink Corp (73YQY62QM3), Developer ID Certification Authority, Apple Root CA

[LandryD]

Originally Posted by lspintzyk

Hi.

First of all. There is new macOS DisplayLink 5.2.1 beta 2 driver. Please make sure to have it installed: https://www.displaylink.com/downloads/file?id=1433

Secondly, Can you please follow that instructions? Does any of them helps you?
https://support.displaylink.com/know...ing-permission
https://support.displaylink.com/know...lay-is-working
https://support.displaylink.com/know...-functionality


If you still have issues please gather diagnostic information and attach them in the post.
Please use our support tool:
https://www.displaylink.com/downloads/file?d=66

I would be grateful for output of terminal command:
sudo kextstat | grep DisplayLink

The second link fixed this for me. Thank you!

[Knick135]

Originally Posted by thethornley

MacBook Air (13-inch, Early 2015)

After struggling to find the solution, I installed 5.1.1 and it is now working again with the permissions checked to record screen.

https://www.displaylink.com/downloads/file?id=1334 is where 5.1.1 can be found.

I installed the 5.1.1 version that a previous poster provided and it worked for me. The beta release 5.2.1 beta 2 released on the site as of October 8th doesn't work for me. I have a macbook air early 2015 13-inch with the ASUS 169B+ monitor. Thank you so much thethornley! Your tip saved my day

[swiip]

After Catalina and DisplayLink 5.1.2 beta software (as suggested), my screens still did not work (MBP screen flashes when plugging in the dock, other screens remain in sleep mode). Permissions to record screen were given and I tried installing/re-installing multiple times.

Downgrading from 5.1.2 beta to 5.1.1 (which works fine with Catalina for now) solved it for me.

I originally thought that 5.1.2 did not work because the kernel was not loaded (Loadable: Yes, Loaded: No), but it's working with 5.1.1 and it still says not loaded (see below). Hope the devs can provide smoother solutions with the next upgrades.

DisplayLinkDriver:

Version: 5.1 (40)
Last Modified: 09.10.19, 09:39
Bundle ID: com.displaylink.driver.DisplayLinkDriver
Notarised: Yes
Loaded: No
Get Info String: DisplayLink Driver 5.1.40 - Copyright © 2003 - 2019 DisplayLink (UK) Ltd. All rights reserved.
Obtained from: Identified Developer
Kind: Intel
Architectures: x86_64
64-Bit (Intel): Yes
Location: /Library/Extensions/DisplayLinkDriver.kext
Kext Version: 5.1 (40)
Loadable: Yes
Dependencies: Satisfied
Signed by: Developer ID Application: DisplayLink Corp (73YQY62QM3), Developer ID Certification Authority, Apple Root CA

[alexmarioru]

It seems that the DisplayLink extension it doesn't load (Loaded: No). So i found a solution to start it using the Bundle ID:

sudo kextload -b com.displaylink.driver.DisplayLinkDriver

For me it works. I'm also using last beta version of DisplayLink driver.