Display Link Stopped working on 3 monitors with M1

[appletechieguy]

My Display Link stopped showing all three displays starting this week, it had been working great. I had my M1 Mac running MacOS 26.2 connected to a LG HD QHD and my LG Ultrawide. I can get my built in display and one of the two monitors to connect correctly but not all three. I can see all three monitors but only one or the other LG will allow me to move content to the display. I updated to MacOS 26.3 with no success.

[Szymon]

Hi,
Do your monitors appear in the Displays tab of DisplayLink Manager app and are they enabled like in the picture?
https://i.ibb.co/20Rcq7hh/Displays-tab.png

Regards,
Szymon

[appletechieguy]

Yes and can see both monitors and both are selected but only one is active and visible in my list of displays.

[Szymon]

Thanks for the update. It's going to be difficult to assess what's going wrong without logs. Could you please follow this article to capture debug data: https://support.displaylink.com/knowledgebase/articles/755301-how-to-report-macos-issues-to-displaylink

Regards,
Szymon

[Xorcerer]

I have an M4 MBP 14' with Tahoe 26.3.

It connect to
1. One monitor directly though USB Type-C.
2. One Targus Dock which connects to two monitors.

It works perfect before Tahoe.

And now, the two monitors can be both detected by DisplayLink, but only one can be detected by the OS. If I disable the one which detected by the OS, on DisplayLink, the other one screen on immediately.

I was told that it may cause by FileVault for some privacy reason, which makes no sense to me.

[Szymon]

Hello,

What is your Targus product? Are you on the latest available DisplayLink Manager for macOS?
https://www.synaptics.com/products/displaylink-graphics/downloads/macos

Regards,
Szymon

[Wspence]

I am also having an issue with monitors, I have 2 identical model monitor LG 49" worked fine before up with one being HDMI (still works) the other being into a Lenovo dock. the dock does not show Device detected so i grabbed my Displayport to USB C and tried plugging it in and still will not work. using Displaymanager15.1

Latest Tahoe version 26.3.1 (25D2128)

not sure how to get you logs but if you tell me what you need and how ill provide.

[Szymon]

What is the exact Lenovo model of the dock? Would you provide a link to web store with it?

Regards,
Szymon

[Xorcerer]

Hello,

What is your Targus product? Are you on the latest available DisplayLink Manager for macOS?
https://www.synaptics.com/products/displaylink-graphics/downloads/macos

Regards,
Szymon

Thank you for replying.

Targus USB-C DV4K Docking Station 100W Power
Amazon Link: https://www.amazon.com/Targus-Universal-Docking-Station-DOCK190USZ/dp/B07BPQKP8V

I did install the latest one (15.1.0 build 51).
It doesn't work on both DisplayLink 13 and 15.1.0.

[nemu_chan]

I am also having an issue with my two monitors. (only one screen is working)

I have two identical DELL monitors that worked fine before, up until 2 hours ago. The only thing that I did and that seems to have messed up everything is that I updated my OS to Tahoe version 26.3.1 (25D2128)

For context, my monitors are connected to a Dell Universal Dock UD22 using HDMI and DisplayPort. I have been using this setting for the past 6 months with no issues with version 14.

I tried to update to version 15, but ended up having the same issue. I still have a single monitor working.

[Wspence]

What is the exact Lenovo model of the dock? Would you provide a link to web store with it?

Regards,
Szymon

Here is my Dock im using
https://www.lenovo.com/us/en/p/accessories-and-software/docking/docking_thunderbolt-docks/40b00300us?orgRef=https%253A%252F%252Fwww.google.c om%252F&cid=us:sem%7Cse%7Cgoogle%7Cshopping_catch_all%7Cgs _notebooks%7C%7C40B00300US%7C1341711240%7C52533783 823%7Caud-1024540837197:pla-294930372950%7Cshopping%7Cmix%7C&gad_source=1&gad_campaignid=1341711240&gbraid=0AAAAADnnO-VpeKlbvUCSPMpDwalDZo9Vu&gclid=Cj0KCQjw37nNBhDkARIsAEBGI8P0ILcpC-AV2SAGO92c1RtqaAFLaAf41DTRSmqQr-i1W_INtBPm3K4aAi7KEALw_wcB

but as mentioned even with a DP to Usb-C cable it is not working seems like a display port is not functioning on M1 Mac

[Szymon]

Thanks for the info.
The Lenovo dock you linked is a Thunderbolt dock, not DisplayLink and unfortunately, we won't be able to help in this case.

Regards,
Szymon

[Szymon]

Thank you for replying.

Targus USB-C DV4K Docking Station 100W Power
Amazon Link: https://www.amazon.com/Targus-Universal-Docking-Station-DOCK190USZ/dp/B07BPQKP8V

I did install the latest one (15.1.0 build 51).
It doesn't work on both DisplayLink 13 and 15.1.0.

Hi Xorcerer,

Are you able to grab logs following this article: https://support.displaylink.com/knowledgebase/articles/755301-how-to-report-macos-issues-to-displaylink
and share them here via a sharing service of your preference?

Regards,
Szymon

[boostedmpls]

Not able to get mine to work now as well.

Dock I am using: https://www.amazon.com/dp/B0DTSZC5Y7?ref_=ppx_hzsearch_conn_dt_b_fed_asin_ti tle_1&th=1

[Szymon]

Hello boostedmpls,

Could you please provide more details about the problem?
What monitors do you connect to the Anker dock?
What is your Mac model, macOS version and DisplayLink Manager version you are using?

Regards,
Szymon

[Xorcerer]

Hi Xorcerer,

Are you able to grab logs following this article: https://support.displaylink.com/knowledgebase/articles/755301-how-to-report-macos-issues-to-displaylink
and share them here via a sharing service of your preference?

Regards,
Szymon

Hi Szymon, here it is.
Please let me know when you have downloaded it.

http://benben.cafe/DisplayLinkSupportTool_Output_20260522_011113.zip

[zach-h]

Updated to macOS 26.5 overnight, have lost my 2nd monitor. Was running DisplayLink manager 16, updated to 16.1 this morning, no change. I've done all the power cycling and cable swapping in the universe, same result of no 2nd monitor, but I did notice one interesting thing: swapping the DisplayPort cables wouldn't matter. It would always recognize and assign my middle/main monitor, never seems to detect my side/aux monitor, regardless of which dock ports the monitors were plugged into.

Has anyone had any success getting their 2nd monitor back? I'm out of things to try.

2023 mbp m3 pro 36gb memory
2 Samsung SyncMaster SA850 monitors
Wavlink WL-UG69DK1 USB-C Dual 4K Docking Station (using DisplayPort)

I have the output from the diagnostics tool (~29mb). When I try to attach the .zip to this post I get:

"Your submission could not be processed because a security token was missing."

[Szymon]

Hello,

Does the other monitor appear in Display Settings or under Displays tab in DisplayLink Manager?

You can follow this FAQ https://support.displaylink.com/knowledgebase/articles/755301-how-to-report-macos-issues-to-displaylink
to send us logs and raise your problem via tech support.

Regards,
Szymon

[SSW1967]

Hi all. I'm new to this forum only because I also suddenly had my third monitor stop working and had no clue why. Checked and removed/reconnected all connections between MAC laptop and 2 monitors, reinstalled updated DisplayLink and followed ALL the steps it indicated to make sure the icon is in menu bar, screen recording on, etc. After an hour of all that and trying to get answers via these forums, I did the old school thing... unplugged EVERYTHING from the wall outlet, power strips, you name it! Plugged it all back in and now third monitor is up and running. NO CLUE why it came to that, but thought I'd pass along the tip in case it helps others. Will have to see if once it all goes to sleep as I walk away tonight, if all monitors will work tomorrow.

[weebg]

Hi all. I'm new to this forum only because I also suddenly had my third monitor stop working and had no clue why. Checked and removed/reconnected all connections between MAC laptop and 2 monitors, reinstalled updated DisplayLink and followed ALL the steps it indicated to make sure the icon is in menu bar, screen recording on, etc. After an hour of all that and trying to get answers via these forums, I did the old school thing... unplugged EVERYTHING from the wall outlet, power strips, you name it! Plugged it all back in and now third monitor is up and running. NO CLUE why it came to that, but thought I'd pass along the tip in case it helps others. Will have to see if once it all goes to sleep as I walk away tonight, if all monitors will work tomorrow.

I had this exact same problem with my setup and tried this low tech fix and was amaxed that it worked.

The order I followed:
1. unplugged both monitors
2. unplugged dispalylink hub
3. updated displaylink driver to latest
4. shutdown laptop
5. plugged in displaylink hub
6. plulgged in both monitors
7. turned on laptop

It works. Thanks for the suggestion.