In Windows Vista, Windows 7, Windows 8/8.1 and Windows 10 the System Boot Configuration Data (BCD) is stored in a file in folder “Boot”. The full path to this file is “[active partition]BootBCD”.
Where is the BCD located?
The BCD information resides in a data file named bootmgfw. efi in the EFI partition in the EFIMicrosoftBoot folder. You will also find a copy of this file in the Windows Side-by-Side (WinSxS) directory hierarchy.
Where are the boot files located in Windows 7?
Table-4 Windows Startup Files
|File Name||Disk Location|
How do I open a BCD file?
You need a suitable software like Binary Cartographic Data File to open a BCD file. Without proper software you will receive a Windows message “How do you want to open this file?” (Windows 10) or “Windows cannot open this file” (Windows 7) or a similar Mac/iPhone/Android alert.
How do I copy a BCD file in Windows 7?
Open a Command Prompt with Administrator privileges. Type the following command: bcdedit /export HDD1:BootBCD , where HDD1 is the driver letter of your destination drive. In my case, HDD1 was C, so the command was bcdedit /export C:BootBCD . Now, you have to edit the BCD file so that the entries are all correct.
How do I manually rebuild my BCD?
Rebuild BCD in Windows 10
- Boot your computer into Advanced Recovery Mode.
- Launch Command Prompt available under Advanced Options.
- To rebuild the BCD or Boot Configuration Data file use the command – bootrec /rebuildbcd.
- It will scan for other operating systems and let you select the OS’s you want to add to BCD.
22 июн. 2019 г.
What are BCD settings?
BCDEdit is a command-line tool for managing Boot Configuration Data (BCD). BCD files provide a store that is used to describe boot applications and boot application settings. BCDEdit can be used for a variety of purposes, including creating new stores, modifying existing stores, adding boot menu options, and so on.
What are the boot files in Windows 7?
The four boot files for Windows 7 and Vista are: bootmgr: Operating system loader code; similar to ntldr in previous versions of Windows. Boot Configuration Database (BCD): Builds the operating system selection menu; similar to boot. ini in Windows XP, but data resides in the BCD store.
How do I change the boot menu in Windows 7?
- Restart the computer.
- Press the F8 key to open Advanced Boot Options.
- Select Repair your computer. Advanced Boot Options on Windows 7.
- Press Enter.
- At the System Recovery Options, click Command Prompt.
- Type: bcdedit.exe.
- Press Enter.
How do I change Windows startup?
To edit boot options in Windows, use BCDEdit (BCDEdit.exe), a tool included in Windows. To use BCDEdit, you must be a member of the Administrators group on the computer. You can also use the System Configuration utility (MSConfig.exe) to change boot settings.
What is BCD file in boot?
Boot Configuration Data (BCD) is a firmware-independent database for boot-time configuration data. It is used by Microsoft’s new Windows Boot Manager and replaces the boot. ini that was used by NTLDR.
What is BCD log?
The BCD. LOG* files are the transaction journal(s) for the hive, for recovery purposes. If you have a Windows machine you can mount the hive from regedit: click on HKEY_LOCAL_MACHINE , go to File->Load Hive and browse to the BCD file. The BCD that was used to boot windows is normally already mounted as BCD00000000 .
What is a BCD file extension?
BCD is a Microsoft Windows settings file used by system registry. BCD files store configs used when the system boots. BCD file format was introduced in Windows Vista as a replacement for boot. ini file used by NTLDR boot loader.
How do I backup my BCD?
To make a backup of your current BCD registry, call the BCDEdit /export command, as shown here. Later, you can restore your original BCD registry file by calling the BCDEdit /import command, as shown here. Note The file name and extension you use are not significant.
How can I make a bootable Windows 7 USB?
Move the “USB” option to the top of the list. Press the proper key until the selected “USB” option is at the top of the “Boot Order” list. This ensures that, when you boot up your computer again, your computer will look for a bootable USB option instead of defaulting to the hard drive.
How do I open boot ini in Windows 7?
Type MSCONFIG into the Start menu to run the System Configuration Utility. From the Boot tab, set your options and OS you want to run. Changes will be written to the boot files automatically. Click OK to save your changes.