Please also run "acpi_listen" and "sudo showkey" to check whether power button events are generated by system BIOS and linux kernel correctly.
** Attachment added: "Screenshot-20210830150034.png" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1939543/+attachment/5521717/+files/Screenshot-20210830150034.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1939543 Title: Power button no longer has any action after applying updates To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1939543/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs