FIX: Corrupt BCD in Windows 10

Aleksandar Ognjanovic By: Aleksandar Ognjanovic
3 minute read
repairing boot configuration data

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How to repair corrupt Boot Configuration

  1. Create bootable drive
  2. Boot with USB
  3. Rebuild BCD

Rebuilding the corrupted Boot Configuration Data isn’t the hardest of tasks if you know where to look. If the BCD is missing or got corrupted, your PC won’t boot into system. This can occur for various reasons, but it mostly points towards an installation error (where you’ve probably deleted the BCD) or possible failure of an HDD drive. And corrupt BCD in Windows 10 isn’t as grave as it looks.

If the latter is the problem, rebuilding BCD won’t do you too much. However, if the problem occurred due to a software error, rebuilding BCD is the sure fix. And we provided you with the whole procedure below.

How to fix corrupt BCD on Windows 10

1. Create bootable drive

Now, before we move to the rebuilding procedure, let’s prepare all the things you’ll need to fix the BCD in Windows 10. The first thing is a bootable installation drive, which you can create with ease by using Media Creation Tool. You’ll need a USB flash drive with at least 6 GB of storage space.

If you’re not sure how to create a bootable USB flash drive with Media Creation Tool, follow the steps we provided below:

  1. Download Media Creation Tool from this link.
  2. Plug in the compatible USB flash drive with at least 6GB of free storage space.
  3. Run Media Creation Tool and accept the License Terms.windows 10 upgrade assistant error
  4. Select ”Create installation media (USB flash drive, DVD, or ISO file) for another PC”.windows 10 upgrade assistant error

  5. For various PC problems, we recommend this tool.

    This software will repair common computer errors, protect you from file loss, malware, hardware failure and optimize your PC for maximum performance. Fix PC issues now in 3 easy steps:

    1. Download this PC Repair Tool rated "Excellent" on TrustPilot.com.
    2. Click “Start Scan” to find Windows issues that could be causing PC problems.
    3. Click “Repair All” to fix all issues with Patented Technologies (requires upgrade).

  6. Choose the preferred language, architecture, and edition and click Next.
  7. Choose a USB flash drive and click Next.
  8. Wait until everything is done.

2. Boot with USB

Once you’ve obtained the installation drive which can boot, let’s explain how to boot. Back in the days, pressing a certain key repetitively would get you into a Boot menu. However, since Windows 10 includes Fast Boot, it’s not as simple as before. What you need to do is press the Pause or Break keys to stop the booting process.

In addition, simultaneously pressing F9, F11, and F12 (one of those should work), will get you into the Boot Menu. From there, you can easily select USB drive as the primary boot device and press any key to boot from it.

3. Rebuild BCD

Finally, once the installation files are loaded and the PC successfully boot from USB, we can safely start rebuilding the Boot Configuration Data. We just encourage you to, if there’s a chance, extract all your data from the HDD. Just in case something goes awry.

Once you run the “diskpart” and “list disk” commands, you’ll see all drives you have. Once there, just select the one where Windows 10 is installed. For the sake of presenting you the steps, we’ve chosen disk 1 and partition 1 (C:) for as Windows 10 system partition.

Follow these steps to rebuild BCD in Windows 10:

    1. Click Repair.
    2. Choose Startup repair.
    3. Enter the following commands and press Enter after each:
      • diskpart
      • list disk
      • select disk 0
      • list partition
      • select partition 1
      • active
      • exit
    4. Now, just type bcdboot C:windows and press Enter.
    5. Exit the command line and restart your PC.

That should do it. If you have any questions or suggestions regarding the corrupt BCD and the rebuilding procedure, make sure to tell us in the comments section below.

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For various PC problems, we recommend this tool.

This software will repair common computer errors, protect you from file loss, malware, hardware failure and optimize your PC for maximum performance. Fix PC issues now in 3 easy steps:

  1. Download this PC Repair Tool rated "Excellent" on TrustPilot.com.
  2. Click “Start Scan” to find Windows issues that could be causing PC problems.
  3. Click “Repair All” to fix all issues with Patented Technologies (requires upgrade).

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