Do you know what happens if the Boot Configuration Data file is missing in Windows 10?

File: \BCD

Error Code: 0xc0000034

You’ll need to use the recovery tools on your installation media.

Any idea what (if anything) I can do to it?

show the error of Boot Configuration Data file is missing

TheWindows Boot Manager(BOOTMGR) entry is not present in the Boot Configuration Data (BCD) store.

The Boot\BCD file on theactive partitionis damaged or missing.

Part 1.

choose MiniTool Power Data Recovery

Tip: MiniTool Bootable Media Builder is only provided in some registered editions.

Free, Trial, and Business Standard editions do not include this tool.

Now, lets look at the detailed steps to recover lost data using this software.

select the target drive to scan

Then Launch MiniTool Power Data Recovery, and click theBootable Mediaicon at the top menu bar.

After that, you need tocreate a bootable USB flash driveor bootable CD/DVD.

  1. After clicking MiniTool Power Data Recovery, you will go to the home page of this software.

select all needed files to save

  1. Select all needed files, and punch theSavebutton to store them in a safe place.

Here is a feasible workaround.

Part 2.

How to Fix BitLocker Recovery Screen After KB5040442 Installation

How to fix Windows 10 booting to a black screen?

How to save data when your PC is experiencing a black screen?

Read this post to find answers.

How Do I Solve Windows 10 Booting to a Black Screen with Ease

Solution 1.

Next, take these actions:

  1. Create an installation media using theMedia Creation Tool.

Insert the Windows bootable installation disk into your PC and restart it.

set up the language

  1. When prompted toPress any key to boot from CD or DVD, press any key to continue.

  2. Select your language preferences in theWindows Setupinterface, and click onNext.

  3. Click onRepair your computerin the bottom-left.

choose Repair your computer

  1. Under theChoose an optionsection, selectTroubleshoot.

  2. On theAdvanced optionsscreen, click onAutomatic Repair.

  3. Wait until the Windows Automatic Repair is complete.

choose Troubleshoot

If it persists, continue with the next method.

Laptop stuck on Preparing Automatic Repair during startup?

Read this post and find out how to effectively solve this issue.

select Automatic Repair

Solution 2.

  1. Insert the Windows bootable drive and boot from it.

  2. Select your language preferences and clickNext.

How to Resolve Windows 10 Automatic Repair Loop

  1. After selecting a language, pressShift + F10to openCommand Prompt.

  2. punch in the following commands and pressEnterafter each of them:

  3. Typeexitand pressEnter.

  4. Finally, power cycle your PC.

type the correct command to rebuild BCD

Solution 3.

Setting the correct partition as active is one of the best ways to fix it.

The steps are shown below.

select Command Prompt

you’ve got the option to try theMiniTool Partition Wizard Probecause you cannot boot your Windows.

  1. Choose theBootable Mediaicon at the top right to launch theBootable Media Builder.

Then, follow the wizards to create a bootable CD, DVD, or USB flash drive.

  1. Boot your box by using the bootable disc.

After a successful boot, youll get the main interface of this professional tool.

  1. Select thesystem partitionand click onSet Activefrom the left function panel.

  2. After that, hit theApplybutton in the top left corner to perform all operations.

Top Recommendation:An Easy Way to Set Partition as Active or Inactive with MiniTool

Solution 4.

The steps are described here.

  1. Insert the Windows bootable drive into your rig and boot from it.

  2. Select your language preferences and press theNextbutton to continue.

  3. Choose toRepair your box>Troubleshoot>Command Prompt.

  4. key in the following command and press theEnterkey.

  5. cycle your PC.

you’re free to try the above 4 methods.

We will solve it as soon as possible.