@jsalisbury Thanks, I followed the instructions and tried booting 4.13.0-30-generic. I still get a kernel panic. I've attached a screenshot from grub with the kernel version visible, and a screenshot of the panic.
Thanks ** Attachment added: "grub screenshot" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1742675/+attachment/5038839/+files/IMG_0801.jpg -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1742675 Title: after upgrade to linux-image-extra-4.13.0-26-generic the system does not start at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1742675/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs