ThinkPad T460s no longer starts after opening, with Ubuntu and Linux Mini, why?

My Thinkpad T460s can no longer wake up after closing the lid in the latest versions of Ubuntu and Linux Mint. The laptop remains off. I have to hold down the power button and shut down the laptop completely. I didn't have this problem in Windows, and I've installed all the latest updates. Can anyone help me?

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julihan41
4 months ago

Interesting, since thinkpads are actually super-assisted and as in general everything works. But good.

I’d ask you to look at journald’s logs. Since they usually do not survive a restart, here is a guide:

https://www.redhat.com/en/blog/store-linux-system-journals

Enter a maximum memory for the journals, otherwise the hard drive will fill you. Add the following line in /etc/systemd/journald.conf to limit this to 100 MB:

SystemMaxUse=100M

After a restart, you can use

journalctl -b -1

show you the messages from the last start. You should go through that for mistakes.

See also https://www.digitalocean.com/community/tutorials/how-to-use-journalctl-to-view-and-manipulate-systemd-logs-de#vergangene-bootprozessen