Tip:Learn Commands for Viewing and Managing Boot Configuration Data on Windows 7
BCD Editor (Bcdedit.exe) is a command-line utility that lets you view and manage the BCD store. To use BCD Editor:
1. Click Start, point to All Programs, and then click Accessories.
2. Right-click Command Prompt, and then click Run As Administrator.
3. Type bcdedit at the command prompt.
Armed with the right set of commands, you can use bcdedit to:
Note that BCD Editor is an advanced command-line tool and you should attempt to modify the BCD store only if you are an experienced IT pro. As a safe¬guard, you should make a full backup of the computer prior to making any changes to the BCD store. Why? If you make a mistake, your computer might end up in a non-bootable state, and then you would need to initiate a recovery.
Here’s a list of commands you can use with BCD Editor and a description of what each does:
/bootdebugEnables or disables boot debugging for a boot application.
/bootemsEnables or disables Emergency Management Services for a boot application.
/bootsequenceSets the one-time boot sequence for the boot manager.
/copyMakes copies of entries in the store.
/create Creates new entries in the store.
/createstore Creates a new (empty) boot configuration data store.
/dbgsettings Sets the global debugger parameters.
/debug Enables or disables kernel debugging for an operating system entry.
/default Sets the default entry that the boot manager will use.
/delete Deletes entries from the store.
/deletevalue Deletes entry options from the store.
/displayorder Sets the order in which the boot manager displays the multiboot menu.
/ems Enables or disables Emergency Management Services for an operating system entry.
/emssettings Sets the global Emergency Management Services parameters.
/enum Lists entries in the store.
/export Exports the contents of the system store to a file. This file can be used later to restore the state of the system store.
/hypervisorsettings Sets the hypervisor parameters.
/import Restores the state of the system store by using a backup file created with the /export command.
/mirror Creates a mirror of entries in the store.
/set Sets entry option values in the store.
/sysstore Sets the system store device. This only affects EFI systems.
/timeout Sets the boot manager timeout value.
/toolsdisplayorder Sets the order in which the boot manager displays the tools menu.
/v Sets output to verbose mode.