![]() ![]() Using Emergency Boot Kit File Manager, create \EFI\Boot folder on the new EFI system.To \EFI\Microsoft\Boot folder on the new EFI system partition and also copy \Windows\Boot\Fontsįolder from Windows system partition to \EFI\Microsoft\Boot\Fonts folder on the new EFI system Using Emergency Boot Kit File Manager, copy \Windows\Boot\EFI folder from Windows system partition.Change newly created partition type to "EFI System Partition (C12A7328-F81F-11D2-BA4B-00A0C93EC93B)".Format EFI system partition with Emergency Boot Kit Partition Manager to VFAT filesystem.If 100-500 MB EFI system partition does not exist, create it using.Also we haveĪrticle for computers which use non-UEFI/BIOS/CSM/Legacy boot method. This article assumes that computer uses UEFI boot method. This article is for people who accidentally deleted or formatted EFI system partition and need to rebuild it from scratch without reinstalling Windows. If EFI system partition does not exist, then computer will not boot. ![]() When UEFI-based computer is powered up, its firmware searches for EFI system partition on all attached storage devices. Linux Boot Loaders) in dual-boot configurations. This partition may also contain other files (e.g. How To Rebuild EFI System Partition From ScratchĮFI system partition is a small (100-500 MB) FAT16 or FAT32 partition containing UEFI-compatible Windows Boot Loader and its configuration (BCD registry hive).
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