Table of Contents
- 1 Where is the boot BCD file?
- 2 What causes boot BCD error?
- 3 How do I reset my BCD?
- 4 How do I repair Windows without a disk?
- 5 How do I remove BCD from Windows 10?
- 6 Does rebuilding BCD delete files?
- 7 What is a BCD file used for?
- 8 What is Boot Configuration Data (BCD)?
- 9 How to fix “windows failed to start file boot BCD” error?
Where is the boot 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.
What causes boot BCD error?
One of the most common causes of this error is the BCD that became missing or corrupt. That could happen because of disk write errors, power outages, boot sector viruses, or errors made while configuring the BCD manually.
How do I fix BCD file?
Fix BCD Error with Windows Installation Disc CD. Boot up your computer via the Windows installation drive. In Windows 7, go Repair your computer > Next > System Recovery Options > Command Prompt. In Windows 10, go Repair your computer > Advanced options > Command Prompt.
How do I reset my BCD?
Rebuild BCD in Windows 11/10
- 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.
How do I repair Windows without a disk?
Reinstall Windows 10 Without CD FAQs
- Go to “Start” > “Settings” > “Update & Security” > “Recovery”.
- Under “Reset this PC option”, tap “Get Started”.
- Choose “Remove everything” and then choose to “Remove files and clean the drive”.
- Finally, click “Reset” to begin reinstalling Windows 10.
How do I fix a corrupted master boot record?
Fix the MBR in Windows 10
- Boot from the original installation DVD (or the recovery USB)
- At the Welcome screen, click Repair your computer.
- Choose Troubleshoot.
- Choose Command Prompt.
- When the Command Prompt loads, type the following commands: bootrec /FixMbr bootrec /FixBoot bootrec /ScanOs bootrec /RebuildBcd.
How do I remove BCD from Windows 10?
To delete old EFI entries, open an elevated Command Prompt, type bcdedit /enum firmware, and press Enter. Unlike the command used for the Windows Boot Manager, the “enum firmware” command lists all objects available in the BCD store, including any Linux installations.
Does rebuilding BCD delete files?
No, rebuilding BCD does not delete files. Bootrec.exe, fixmbr bootrec.exe, fixboot and bootrec.exe help us to repair the boot files, which will not affect any of the personal files and folder.
How does BCD get corrupted?
This can be due to an error occurring while the data is being read. Most of the time the error can’t be prevented but in some instances, for example, if a sudden shutdown is made while the system is running the BCD or if there was a recent hardware or software change, the BCD file can become corrupted.
What is a BCD file used for?
BCD files provide a store that is used to describe boot applications and boot application settings. Boot Configuration Data contain the menu entries that are presented by the Windows Boot Manager. These menu entries can include: Options to boot Windows Vista and later by invoking winload.exe.
What is Boot Configuration Data (BCD)?
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. For UEFI boot, the file is located at /EFI/Microsoft/Boot/BCD on the EFI System Partition.
Where is the BCD file in legacy BIOS?
For Legacy BIOS boot, the file is at /boot/BCD on the active partition. BCD files provide a store that is used to describe boot applications and boot application settings. Boot Configuration Data contain the menu entries that are presented by the Windows Boot Manager.
How to fix “windows failed to start file boot BCD” error?
Clean the Disk Completely: For the user who wants to perform a clean install to fix “Windows failed to start file boot BCD in Windows 7/8/10” error or for other purposes, it is not bad to delete all data on the disk. Then, create a brand new boot BCD file along with the new operating system. Type following commands: