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1 Posts

07-22-2020

Israel

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  • Registered: ‎07-22-2020
  • Location: Israel
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Lenovo ThinkPad e14 freezes while connected via ThinkPad docking station gen 2

2020-07-22, 11:17 AM

Hi,

I recently purchased two Lenovo ThinkPad e14 laptops and two ThinkPad docking stations gen 2.

I installed on both laptops Ubuntu 18.04.

After i connect one of the laptops to a docking station, the screen consistently freezes after about a minute of working properly. After that removing the docking station does not solve the problem. The only option is to do a hard restart.

This occurred even when the docking station had no other connections besides the power and the connection to the laptop.

I tried looking for similar issues online and could not find a solution.

 

Thanks,

Ayal

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2 Posts

08-14-2020

Germany

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  • Posts: 2
  • Registered: ‎08-14-2020
  • Location: Germany
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  • Message 2 of 2

Re:Lenovo ThinkPad e14 freezes while connected via ThinkPad docking station gen 2

2020-08-14, 7:53 AM

I had the same problem. The problem is not with the docking station, it is with the Ubuntu18.04's kernel.

I upgraded my Kernel from 5.4.0 to 5.7.0 and the problem was solved.

I used the following posts to install kernel 5.7.0:

http://ubuntuhandbook.org/index.php/2020/06/install-kernel-5-7-ubuntu-linux-mint/

 

and following post to turn off the secure boot to avoid "boot/vmlinuz-5.7.0 has an invalid signature" error during rebooting to 5.7.0:

https://wiki.ubuntu.com/UEFI/SecureBoot/DKMS

 

I hope it helps.

 

Kind regards,

Dipendra Yadav

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