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How to rebuild removed efi boot loader in ubuntu and windows

By Mia Morrison •

I have installed 3 operating systems on my computer(windows, ubuntu and cent os). While installing centos I realized that my efi boot loader has been removed, and I can't access any operating system. How can I rebuild/fix efi boot partition? Thank you

1

1 Answer

An EFI partition is a fat32 (or fat12 or fat 16) formatted partition with a specific partition type identifier. Can create such partition with partitoning tools. Then reinstall Grub. Here on Askubuntu, a detailed walk trough is provided where an EFI partition is created, and then Grub is reinstalled on the drive containing the new EFI.

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