You can even call BCD during power state transitions and use it to define the boot process for resuming after hibernation. This feature is extremely important for debugging and troubleshooting, especially when a BCD store must be restored while running Startup Repair from a DVD, from USB-based storage media, or even remotely. The BCD store, with its familiar object-and-element architecture, uses GUIDs and names such as "Default" to precisely identify boot-related applications.
BCD includes its own set of boot options. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. You must be a member of the Administrators group on the computer to use Bootcfg. For detailed instructions about using Bootcfg, see Help and Support Center.
You can use a text editor, such as Notepad, to edit Boot. However, because this method is prone to error, use it only when Bootcfg is not available. Before editing Boot. When Boot. Use the following procedure to prepare Boot. This procedure removes the system, hidden, and read-only attributes of the file. Open the file in Notepad for editing. You must backup and restore or transfer your files to the previous operating system. Determine whether the Windows. Note If the Windows. In the Install Windows window, select a language, a time, a currency, a keyboard input method or other input method, and then click Next.
In the Install Windows window, click Repair your computer. In the System Recovery Options window, click the version of the Windows 7 operating system that you want to repair, and then click Next. The Command Prompt window opens, and it displays the command prompt. The command prompt is where you will type the commands that are described in the following steps. Note When you type one or more of the commands at the command prompt in the following steps and press ENTER, you may receive the following message:.
If you receive this message, go to the next step in this section, and then type the command in that next step. If you receive this message, go to the next step in this section, and then type the command in the next step.
The default operating system is the operating system that is started if no selection is made before the time-out occurs. The time-out is the number of seconds in which you can select an operating system from the menu before the default operating system is loaded.
To modify the default operating system, follow these steps:. For example, to change the default operating system from Windows Server to Windows XP Professional, modify the following. If there is a problem with the Boot. Skip to main content.
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