It seems fixed in bios version 1.79 https://download.lenovo.com/pccbbs/mobiles/n2lul17w.txt "Fix an issue where Linux system cannot restart or power on after system shutdown when AC adapter is attached." Many thanks for your help.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1890415 Title: Lenovo ThinkPad X390 won’t boot while plugged in To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1890415/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
