Public bug reported: I just updated 16.04 (I sometimes sudo apt update then upgrade) by clicking install updates when then box popped up (HP x360 4109NA running normal 16.04 / unity, nothing particularly exotic). It wanted a restart so I closed Firefox and Thunderbird so nothing else was open and hit restart.
I was told "No boot device found" by my UEFI BIOS, with no change after several reboots. I had to ESC on boot, select efi file manually and choose grubx64, now I'm back in and wondering how this could happen. The only thing I can think of which is slightly unusual about my environment is the fact that while installing those recent updates (one of which had something to do with shimx64 and a warning about secure boot in the notes - I don't have secure boot on) I had firefox open, but in a firejail sandbox (firejail firefox). Maybe the awesome Firejail is not involved, I just can't think what else is so unusual about my environment that I'm not seeing many other people complaining of this. The message I consistently received upon cold booting / rebooting is: *** Boot Device Not Found Please install an operating system on you hard disk. Hard Disk - (3F0) F2 System Diagnostics For more information visit <HP website> *** I was consistently able to get back in to the system by hitting ESC, choosing to boot from EFI file and then selecting grubx64.efi or the shim. I did try F2 and ran a test on the disk but it's fine. I don't know much the first few moments of boot so I'm assuming I wen't down the wrong path but I did get back in and played around a bit with efibootcfg: $efibootcfg Timeout: 0 seconds BootOrder: 0001,9999,0006 Boot0001* Qubes Boot0006 Windows Boot Manager Boot9999* USB Drive (UEFI) Which is weird, no mention of ubuntu, only Qubes which I (maybe?! - I thought I just wrote it to USB and installed it on my T420 but maybe I'm wrong) must have live booted once from a USB stick 6 weeks ago. so I: sudo efibootmgr -b 1 -B sudo efibootmgr -b 6 -B sudo efibootmgr -c \\EFI\\ubuntu\\grubx64.efi -L Ubuntu And ubuntu ended up first in the list at 0000 ... and still wouldn't boot normally, I got the same error and had to select efi file manually. Going into my UEFI BIOS and hitting return on "OS Boot Menu" which was in the #1 spot lead to a message similar to "OS Boot menu not found" I got frustrated and formatted my disk, reinstalled everything etc. and now everything is fine except my bluetooth mouse refuses to work, but I'm sure that's another story. ** Affects: ubuntu Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1603670 Title: Updates prevented laptop from booting To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1603670/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs