Summary:

You might ever encounter the "boot configuration data is missing" issue when you boot your windows. This page lists four ways to help you fix such error. And you can try the best data recovery software - Bitwar Data Recovery to restore lost data.

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What's the Boot Configuration Data?

The Boot Configuration Data (BCD) is a firmware-independent database for boot-time configuration data. It is used as a new Windows Boot Manager. It replaces the "boot.ini" file which was used in old operating systems. If the Boot Configuration Data file is missing in Windows 10, you cannot boot your computer normally, and you'll see an error message, as shown below.

Fix "Boot Configuration Data is Missing" on Windows 10
Summary:

Solution 1. Run Startup/Automatic Repair

To fix the BCD is missing issue, you can use the recovery tools on your installation media like DVD or USB to repair your Windows installation. Just follow these steps:

1) Insert the Windows bootable installation disk and restart your PC. When prompted to Press any key to boot from CD or DVD, press any key to continue.
2) Select your language preferences in the Windows Setup interface, and click on Next.
3) Click on Repair your computer in the bottom-left.

4) Select Troubleshoot.
5) On the Advanced options screen, click on Automatic Repair.
6) Wait until the Windows Automatic Repair complete.

Restart Windows and check if the error has been fixed.

Solution 2. Rebuild the BCD on Windows by using the Bootrec.exe tool

You can rebuild the BCD by using the Bootrec.exe tool in the Windows Recovery Environment.

1) Insert the Windows bootable drive and boot from it.
2) Select your language preferences, and click Next.
3) Press Shift + F10 to open the command prompt.
4) Type the following commands and press Enter after each of them:

bootrec.exe /rebuildbcd
bootrec.exe /Fixmbr
bootrec.exe /Fixboot

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