Lenovo Docking Station - Ubuntu

DevilSocks · 04-06-2025, 05:04 PM

Hi

I have purchased a Lenovo Docking Station (40AF) which I have attached with 2 screens. I have a lenovo laptop (E495) that I want to use the docking station and beforementioned screens.

I tried to download and install the driver for display link as explained here: https://www.synaptics.com/products/d...wnloads/ubuntu

and worked through various processes but got it installed. But it is not working. The last thing I can think of is to update the firmware of the docking station, but before I went through that then i wanted to ask if anyone had encountered this before and could possibly help?

Thanks in advance!

mjaroch · 04-07-2025, 11:42 AM

Hello DevilSocks,

Thank you for reaching out.

To report Ubuntu issues, please follow the instruction which you can find here.
Also you can try to type in the terminal: "apt search displaylink-driver" to verify if everything is installed properly.

Please give our support a feedback if your issue is resolved.

DevilSocks · 04-07-2025, 12:21 PM

Hi

Thanks for your quick response. I have just tried that, but get the following:

head: cannot open '/sys/devices/evdi/version' for reading: No such file or directory
pgrep: pattern that searches for process name longer than 15 characters will result in zero matches
Try `pgrep -f' option to match against the complete command line.
Couldn't canonicalize path: No such file or directory

So I am pretty sure my attempt to install did not go as I planned. Though it went through everything.

Do i need to start over?

mjaroch · 04-07-2025, 12:44 PM

It is possible that you have to start again. But we are trying to find out where exactly an issue occurred.
Could you give us some more information about the installation process? Have you restarted your computer completely when installing the driver?

Also, please check out this and let us know if this step showed up.

DevilSocks · 04-07-2025, 05:24 PM

Sure! I went to the displaylink site and downloaded the driver. It turned out to be a zip file, so I unpacked it and inside was a .run file. I opened the terminal and went to the downloads folder.

Then I made the file executable with this command chmod and ran it by typing ./"filename.run" (I entered the file name). A lot of things happened on screen but was prompted with a Y/N and went for Y. I then got a message that I needed to be root to use the script so used the sudo command on it and followed the instructions.

I think this is as close I can get without providing screenshots. Was this helpful? Sorry, I am bit new to the help page and not sure what info is enough.

Thanks again!

DevilSocks · 04-10-2025, 11:36 AM

Hi again,

I looked at the link you sent over and tried to disable secure boot but sound that the device was not eligible or something in the BIOS. I also used the terminal to disable it. So I am not sure if secure boot is in the of this. The final option was to sign the evdi kernel, but I think that is little above my current skills. However, would this be the final option?

But looking at the video for option one, then it looked a lot like the install I did on the machine, so pretty sure it is similar. I hope this answers your question, otherwise to let me know.

Thanks again for all the help.

DevilSocks · 04-10-2025, 12:06 PM

Hi,

I did the install again and then the secure boot actually came up during the install. I prompted a password, continued the install and then restarted. In the restart I could enroll MOK which I did and entered the password. Continued the reboot and then checked for the install. However, when I do the check in the terminal it doesn't send anything back. So it still looks like it is not installed. And I cannot change anything in the BIOS reg. the secure boot.

Does this help in any way?

04-06-2025, 05:04 PM	#1
DevilSocks Junior Member Join Date: Apr 2025 Posts: 6	Lenovo Docking Station - Ubuntu Hi I have purchased a Lenovo Docking Station (40AF) which I have attached with 2 screens. I have a lenovo laptop (E495) that I want to use the docking station and beforementioned screens. I tried to download and install the driver for display link as explained here: https://www.synaptics.com/products/d...wnloads/ubuntu and worked through various processes but got it installed. But it is not working. The last thing I can think of is to update the firmware of the docking station, but before I went through that then i wanted to ask if anyone had encountered this before and could possibly help? Thanks in advance!

04-07-2025, 11:42 AM	#2
mjaroch DisplayLink Team Join Date: Mar 2025 Posts: 138	Hello DevilSocks, Thank you for reaching out. To report Ubuntu issues, please follow the instruction which you can find here. Also you can try to type in the terminal: "apt search displaylink-driver" to verify if everything is installed properly. Please give our support a feedback if your issue is resolved. __________________ Marta Jaroch DisplayLink Team Where to download the latest DisplayLink drivers How to report macOS issues to DisplayLink tech support for a speedy resolution

04-07-2025, 12:44 PM	#4
mjaroch DisplayLink Team Join Date: Mar 2025 Posts: 138	It is possible that you have to start again. But we are trying to find out where exactly an issue occurred. Could you give us some more information about the installation process? Have you restarted your computer completely when installing the driver? Also, please check out this and let us know if this step showed up. __________________ Marta Jaroch DisplayLink Team Where to download the latest DisplayLink drivers How to report macOS issues to DisplayLink tech support for a speedy resolution

04-07-2025, 12:21 PM	#3
DevilSocks Junior Member Join Date: Apr 2025 Posts: 6	Hi Thanks for your quick response. I have just tried that, but get the following: head: cannot open '/sys/devices/evdi/version' for reading: No such file or directory pgrep: pattern that searches for process name longer than 15 characters will result in zero matches Try `pgrep -f' option to match against the complete command line. Couldn't canonicalize path: No such file or directory So I am pretty sure my attempt to install did not go as I planned. Though it went through everything. Do i need to start over?

04-07-2025, 05:24 PM	#5
DevilSocks Junior Member Join Date: Apr 2025 Posts: 6	Sure! I went to the displaylink site and downloaded the driver. It turned out to be a zip file, so I unpacked it and inside was a .run file. I opened the terminal and went to the downloads folder. Then I made the file executable with this command chmod and ran it by typing ./"filename.run" (I entered the file name). A lot of things happened on screen but was prompted with a Y/N and went for Y. I then got a message that I needed to be root to use the script so used the sudo command on it and followed the instructions. I think this is as close I can get without providing screenshots. Was this helpful? Sorry, I am bit new to the help page and not sure what info is enough. Thanks again!

04-10-2025, 11:36 AM	#6
DevilSocks Junior Member Join Date: Apr 2025 Posts: 6	Hi again, I looked at the link you sent over and tried to disable secure boot but sound that the device was not eligible or something in the BIOS. I also used the terminal to disable it. So I am not sure if secure boot is in the of this. The final option was to sign the evdi kernel, but I think that is little above my current skills. However, would this be the final option? But looking at the video for option one, then it looked a lot like the install I did on the machine, so pretty sure it is similar. I hope this answers your question, otherwise to let me know. Thanks again for all the help.

04-10-2025, 12:06 PM	#7
DevilSocks Junior Member Join Date: Apr 2025 Posts: 6	Hi, I did the install again and then the secure boot actually came up during the install. I prompted a password, continued the install and then restarted. In the restart I could enroll MOK which I did and entered the password. Continued the reboot and then checked for the install. However, when I do the check in the terminal it doesn't send anything back. So it still looks like it is not installed. And I cannot change anything in the BIOS reg. the secure boot. Does this help in any way?