Unfortunately, the BIOS/UEFI update did not improve the situation. Suspend is still not triggered when the lid is closed, IF a (DisplayPort) monitor is attached.
BIOS details: bios-version: JBET63WW (1.27 ) bios-release-date: 11/10/2016 ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed ** Summary changed: - [Lenovo ThinkPad T450s] Suspend is not triggered by closing lid when DisplayPort monitor connected + [Lenovo ThinkPad T450s] Suspend is not triggered by closing lid while DisplayPort monitor connected -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1649752 Title: [Lenovo ThinkPad T450s] Suspend is not triggered by closing lid while DisplayPort monitor connected To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1649752/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs