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.