Bcdedit

| Identifier | Meaning | |------------|---------| | current | The OS entry that is currently running. | | default | The entry that will boot if no user selection is made. | | bootmgr | The Windows Boot Manager entry (controls the menu). | | memdiag | Windows Memory Diagnostic entry. | | ntldr | For booting legacy OSes (Windows XP) via ntldr . | | fwbootmgr | Firmware boot manager (UEFI only). |

To disable Hyper-V:

bcdedit /default 5d5f9a7c-...

The /cleanup flag removes associated files (e.g., hiberfile for that entry). bcdedit

To see your current boot configuration, identifiers, and boot order: | Identifier | Meaning | |------------|---------| | current

bcdedit is the scalpel of Windows boot management. While casual users might prefer the GUI-based under the "Boot" tab, bcdedit is required for scripting, automation, and fixing complex boot issues (like dual-booting with Linux or handling drive encryption errors). | | memdiag | Windows Memory Diagnostic entry