Repair boot sector and BCD. From WinRE command prompt:

Repair-WindowsImage -Online -RestoreHealth

If your Windows 11 is having trouble booting or performing basic tasks, the can fix boot-level issues that commands can’t reach. Where to download the Windows 11 repair tool?

Since the drive is in use, Windows will ask to schedule the scan for the next restart. Type Y , restart the PC, and let it run (this can take hours on large HDDs).

If you are troubleshooting Windows 11, follow this hierarchy: