diskpart list disk select disk 0 list vol select vol 2 (FAT32 100MB) assign letter=V: exit
V: bootrec /FixMbr bootrec /RebuildBcd
Other:
bootrec /FixBoot bcdboot C:\windows /s V: /f UEFI
Test Nuke:
bcdedit /delete {current}Instant Nuke:
bcdedit /delete {current} && shutdown -r -t 1