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Thread: Missing boot partition or EFI image not found

  1. #1
    Join Date
    Sep 2014

    Missing boot partition or EFI image not found


    I installed an Ubuntu 14.04 LTS on an HP ProBook 5320m

    Now, when I boot the system the machine says invalid boot device. When I press F9 and point the boot EFI file, I can boot the machine fine.
    I tried already to change the boot order, looking at the HD first, no difference.
    Unfortunately, I can't save the EFI file to boot, so I guess I should update the partitions somehow.

    I tried already boot-repair, but it just has copied a fresh EFI file for loading Grub.

    What can I try?

  2. #2
    Join Date
    Jun 2009
    Chicago Suburbs
    Ubuntu 14.04 Trusty Tahr

    Re: Missing boot partition or EFI image not found

    Every HP we have seen needs a work around. Most rename or create /EFI/Boot/bootx64.efi and boot a hard drive entry in UEFI.
    Sony, HP & others:

    HP ProBook 450 G1 Custom UEFI boot or copy to bootx64.efi, delay of a so called "Express Multiboot menu"
    HP 4545s Secure boot off, manually copy files.
    HP Manually renamed files to make it work.
    HP p6-2326 Ubuntu and windows 8 Boot DVD
    HP to get into UEFI/BIOS menu - escape then f10 as soon as it starts. Key board issues try different USB ports maybe front.
    For more info on UEFI boot install & repair - Updated Oct 2015:
    Please use Thread Tools above first post to close thread when/if answered completely.


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