I can see your system was upgraded from Ubuntu 12.04.5 LTS "Precise Pangolin", which uses Linux kernel v4.4, right?
Is Linux kernel v4.4 still bootable? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1812968 Title: PC does not turn on the problem with the disk. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1812968/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
