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Old 10-08-2019, 08:23 PM   #21
thethornley
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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.
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Old 10-08-2019, 08:29 PM   #22
lspintzyk
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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
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Old 10-09-2019, 01:40 AM   #23
morberg
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Default Still not working

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
Attached Files
File Type: zip DisplayLinkInfo_Output_20191008_220223.zip (1.23 MB, 1 views)

Last edited by morberg; 10-09-2019 at 02:04 AM.
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Old 10-09-2019, 04:00 AM   #24
Knick135
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Default This works for me (Macbook Air Early 2015)

Quote:
Originally Posted by thethornley View Post
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
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Old 10-09-2019, 09:03 AM   #25
swiip
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Default 5.1.2 beta to 5.1.1 solved it for me

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
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Old 10-09-2019, 09:29 AM   #26
alexmarioru
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Default Worked for me

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

Quote:
sudo kextload -b com.displaylink.driver.DisplayLinkDriver
For me it works. I'm also using last beta version of DisplayLink driver.
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Old 10-09-2019, 10:11 AM   #27
charliekelly
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Quote:
Originally Posted by alexmarioru View Post
It seems that the DisplayLink extension it doesn't load (Loaded: No). So i found a solution to start it using the Bundle ID:



For me it works. I'm also using last beta version of DisplayLink driver.
This works for me too, also using the latest driver.
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Old 10-09-2019, 10:49 AM   #28
silverscreen
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Quote:
Originally Posted by alexmarioru View Post
It seems that the DisplayLink extension it doesn't load (Loaded: No). So i found a solution to start it using the Bundle ID:



For me it works. I'm also using last beta version of DisplayLink driver.
When executing this command I'm getting the following message:

Quote:
com.displaylink.driver.DisplayLinkDriver failed to load - (libkern/kext) different version/uuid already loaded; check the system/kernel logs for errors or try kextutil(8).
The display link extension is not loaded. I have installed the latest beta 2 version multiple times. However I'm not getting the System Extension Blocked message as suggested in the knowledge base.

Any suggestions?
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Old 10-09-2019, 11:07 AM   #29
lspintzyk
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Hi, silverscreen

We experience macOS kernel cache issues. Most likely old incompatible kernel extension is still loaded.
Can you help us to verify our suspicion?

Please do following experiment:
- Uninstall DisplayLink software
- Reboot
- What is the output of command(empty output means it is OK):
kextstat | grep DisplayLink

Give us an update, and follow that article if "kextstat | grep DisplayLink" returns non empty output.
2. Please follow steps from that article:
https://support.displaylink.com/know...lay-is-working
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Old 10-09-2019, 11:17 AM   #30
silverscreen
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Quote:
Originally Posted by lspintzyk View Post
Hi, silverscreen

We experience macOS kernel cache issues. Most likely old incompatible kernel extension is still loaded.
Can you help us to verify our suspicion?

Please do following experiment:
- Uninstall DisplayLink software
- Reboot
- What is the output of command(empty output means it is OK):
kextstat | grep DisplayLink

Give us an update, and follow that article if "kextstat | grep DisplayLink" returns non empty output.
2. Please follow steps from that article:
https://support.displaylink.com/know...lay-is-working
After uninstalling and a restart, the output is not empty:

Quote:
kextstat | grep DisplayLink
43 0 0xffffff7f8276c000 0x10000 0x10000 com.displaylink.driver.DisplayLinkDriver (4.3 (124)) 21BA08D2-055E-380E-B526-1798079CF68D <42 13 6 5 3>
It seems indeed to be a cache issue. How to burst the cache?
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