What does rebuild BCD mean?

BCD or otherwise known as Boot Configuration Data contains boot configuration parameters on how to start your Windows. If the configuration file gets corrupted, you will have to rebuild BCD or Boot Configuration Data file. Usually, when BCD gets corrupted, it results in unbootable situations on Windows 11/10.

What is the BCD file?

Boot Configuration Data (BCD) files provide a store that is used to describe boot applications and boot application settings. BCDEdit is a command-line tool for managing BCD. It can be used for a variety of purposes, including creating new stores, modifying existing stores, and adding boot menu options.

What is BCD in registry?

The BCD registry file replaces the Boot. ini files used in Windows XP and earlier versions of Windows to track operating system locations, and it allows for a variety of new Windows Vista and Windows 7 features, including the Startup Repair tool and the Multi-User Install shortcuts.

What is Bcdbackup?

The BCD storage is a special binary file with the name BCD located in BOOT directory of the active partition. The boot manager is designed to load the system in accordance with the existing configuration located in the special storage called Boot Configuration Data or BCD in short.

How do I fix a corrupted boot Windows 10?

Here’s how:

  1. Navigate to the Windows 10 Advanced Startup Options menu.
  2. Once your computer has booted, select Troubleshoot.
  3. And then you’ll need to click Advanced options.
  4. Click Startup Repair.
  5. Complete step 1 from the previous method to get to Windows 10’s Advanced Startup Options menu.
  6. Click System Restore.

How do I restore my original BCD?

To Restore Boot Configuration BCD Store in Windows 10

  1. Open an elevated command prompt, or a command prompt at boot.
  2. Type the following command, and press Enter. bcdedit /import “. bcd” .
  3. Change the file path to match your system.
  4. You are done.

How do I open a BCD file?

How to open file with BCD extension?

  1. Install Microsoft Registry Editor software.
  2. Check the version of Microsoft Registry Editor and update if needed.
  3. Assign Microsoft Registry Editor to BCD files.
  4. Verify that the BCD is not faulty.

Where is my BCD file?

Where is the BCD file in Windows 10? It is stored in a file in folder “\Boot”. The full path to this file is “[active partition]\Boot\BCD”. For UEFI boot, the BCD file is located at /EFI/Microsoft/Boot/BCD on the EFI System Partition.

Where is BCDBoot located?

File Locations

Environment File location
Windows %WINDIR%\System32\BCDBoot.exe
Windows Preinstallation Environment (WinPE) %WINDIR%\System32\BCDBoot.exe
Windows Assessment and Deployment Kit (Windows ADK) C:\Program Files (x86)\Windows Kits\10\Assessment and Deployment Kit\Deployment Tools\amd64\BCDBoot\BCDBoot.exe

How do I use FixMbr?

Fix the MBR in Windows 10

  1. Boot from the original installation DVD (or the recovery USB)
  2. At the Welcome screen, click Repair your computer.
  3. Choose Troubleshoot.
  4. Choose Command Prompt.
  5. When the Command Prompt loads, type the following commands: bootrec /FixMbr bootrec /FixBoot bootrec /ScanOs bootrec /RebuildBcd.