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I have an Ubuntu Server installation that doesn't start up because the disk which contained the EFI partition is broken. I inserted a new HDD and created a new EFI partition by using GParted (new GPT table, create FAT32) and then I ran mkfs.vfat /dev/sdeX1 on it.

To reinstall the EFI partitions content (GRUB and boot entry), I followed the accepted answer on this Ask Ubuntu question (How can I reinstall GRUB to the EFI partition?).

While reinstalling GRUB, the following warnings occurred: Reinstall Picture

After a restart, the system boots, but cannot mount the EFI partition. I set the entry in fstab to the same ID that was given by blkid /dev/sdX1. Here are some images: (note that the EFI partition is on /dev/sde1 now)

Screenshot 1 Screenshot 2 Screenshot 3

How can I make the system start up correctly, by mounting the EFI partition?

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  • What does your /etc/fstab look like?
    – bk2204
    Commented Apr 27, 2019 at 22:07
  • Mount the EFI partition in /boot/efi. The command would be like this: grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=GRUB.
    – Biswapriyo
    Commented Apr 28, 2019 at 4:51

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