Well, than is diferent to me, I used only this steps that i told to you and it works.
Look these two links: https://wiki.debian.org/GrubEFIReinstall and https://www.thomas-krenn.com/en/wiki/Restore_Ubuntu_UEFI_Boot_Entries_after_BIOS_Update Maybe help you. 2016-01-05 15:40 GMT-04:00 real bas <realba...@gmail.com>: > I try mount my partition /dev/sda9 in /boot/efi but say /boot/efi doesn't > exist (no have efi directory in boot then I create it and mounted in > /boot/efi) > then I reinstalled grub-efi and try grub-install /dev/sda but say: > error: /boot/efi doesn't look like an EFI partition > > 2016-01-05 19:34 GMT+00:00 Rodolfo <rof20...@gmail.com>: > >> When i recovered my grup-efi, and i remember that i reinstalled it with >> apt-get, and automatically do the right configurations. >> >> Do not use grub-install, reinstall the package and leave the >> configurations to it. >> >> 2016-01-05 15:31 GMT-04:00 real bas <realba...@gmail.com>: >> >>> I leave it UEFI and only disable secure boot, when I use this command: >>> [ -d /sys/firmware/efi ] && echo EFI || echo LEGACY >>> return EFI normally >>> >>> but when I use grub-install: >>> grub-install --root-directory=/mnt /dev/sda >>> say: grub-install: error: cannot find EFI directory >>> >>> 2016-01-05 19:00 GMT+00:00 Rodolfo <rof20...@gmail.com>: >>> >>>> Hi, >>>> >>>> -change boot option to legacy mode and disable secure boot consequently >>>> >>>> I think in this part you do not need to turn to legacy, leave it UEFI, >>>> only disable secure boot. >>>> >>>> Debian Jessie has support for UEFI boot. >>>> >>>> Try reinstall grub using the normal installation cd, in it has an >>>> option to recover or access shell in your installed system. >>>> >>>> 2016-01-05 14:35 GMT-04:00 real bas <realba...@gmail.com>: >>>> >>>>> Hi, I recently upgrade my debian (UEFI) and grub is gone.. I try to >>>>> recovery grub but failed or I`m doing something wrong. >>>>> This steps I following are: >>>>> -create usb with live cd >>>>> -change boot option to legacy mode and disable secure boot consequently >>>>> -boot from live cd (Here, when I boot from CD and check if i`m using >>>>> EFI or legacy, always say legacy, maybe be here the problem) >>>>> -mount my partition / in /mnt >>>>> -install grub in /mnt >>>>> >>>>> when install grub i receive the following message: >>>>> >>>>>> Installing for i386-pc platform. >>>>>> grub-install: warning: this GPT partition label contains no BIOS Boot >>>>>> Partition; embedding won't be possible. >>>>>> grub-install: warning: Embedding is not possible. GRUB can only be >>>>>> installed in this setup by using blocklists. However, blocklists are >>>>>> UNRELIABLE and their use is discouraged.. >>>>>> grub-install: error: will not proceed with blocklists. >>>>>> >>>>> >>>>> Can someone help me? >>>>> >>>> >>>> >>> >> >