diskpart
list disk
select disk 0
list volume
select volume [system volume number]
assign letter=Z
exit
bcdboot C:\windows /s Z:
bootrec /fixboot
Bootrec /Fixboot access denied in Windows 10 or 11? Solve it in 1 minute! Use Command Prompt in Recovery Mode, assign a letter to your system volume with ‘diskpart,’ then run ‘bcdboot’ and ‘bootrec /fixboot.’ Restart—fixed! Full commands in the description. Subscribe to OneMinuteITShot for more IT solutions!