Oh, sorry, I see the problem in the kernel log. Your Seagate harddisk (/dev/sda) has failed. Unfortunately that's a hardware problem that we can't fix in software.
** Changed in: ubuntu Status: Won't Fix => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1804560 Title: Error arranque To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1804560/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs