when install grub i receive the following message:-install grub in /mnt-mount my partition / in /mnt-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)-change boot option to legacy mode and disable secure boot consequently-create usb with live cdHi, 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: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?