Fix The Windows Boot Configuration Data File does not Contain a Valid OS Entry

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8.30.2021

Fix The Windows Boot Configuration Data File does not Contain a Valid OS Entry



Fix The Windows Boot Configuration Data File does not Contain a Valid OS Entry
All the latest versions of windows operating system comes with boot configuration options
which contains operating system entries. If the operating system entries goes missing for some reason then this error will appear.

'' The Windows Boot Configuration data file does not contain a valid OS entry ''

What happens during this error is that it prevents your computer from booting. Most often this issue is caused due to the corruption of BCD registry. Although this error looks complex, it comes with several solutions in which one of them might surely work for you. 

In this article, I will be covering about Fixing The Windows Boot Configuration Data File does not Contain a Valid OS Entry. From this post, you will learn how to eliminate this error from the scratch.

Let's get started,


1. Perform Startup Repair


Windows operating system comes with a recovery tool known as the Startup repair which repairs corrupted system files. Meaning if the BCD files face issues with OS entries, startup repair essentially replaces files with new ones. 

To perform Startup repair,

  1. Insert the installation media
  2. Restart the PC
  3. Boot from the installation media
  4. Choose your language
  5. Select troubleshoot
  6. Select Automatic Repair
This process will repair your operating system.


2. Run SFC Scan


Another method to repair the system files is using SFC scan. System File Checker (SFC) scans the computer for corrupted system files. And if possible it repairs them too. 

To run SFC Scan,

  1. Insert the installation media
  2. Restart the PC
  3. Boot from the installation media
  4. Choose your language
  5. Press Shift + F10
  6. Type and press Enter after the command
                        SFC/Scannow


3. Run CHKDSK


Sometimes the hard disk drive on which the operating system is installed could face problems such as file system errors and bad sectors. Running Check Disk Utility (CHKDSK) not only fixes disk errors, it also repairs BCD files. Hence, in order to fix this you need to run CHKDSK.

To run CHKDSK,

  1. Insert the installation media
  2. Restart the PC
  3. Boot from the installation media
  4. Choose your language
  5. Press Shift + F10
  6. Type and press Enter after the command
                    CHKDSK x : / f / r  (x stands for the respective drive)


4. Rebuild BCD


As you all know the boot configuration data file does not contain a valid OS entry is as a result of corrupted BCD files. Therefore, to fix this problem you need to rebuild BCD. 

To Rebuild BCD,

  1. Insert the installation media
  2. Restart the PC
  3. Boot from the installation media
  4. Choose your language
  5. Press Shift + F10
  6. Type the commands (Press Enter after each command)
                    bootrec.exe /Rebuildbcd
                    bootrec.exe /Fixmbr
                    bootrec.exe /Fixboot

Once typed restart the PC.


5. Restore PC


If the above mentioned solutions does not work, as a last resort you can try restoring the PC. Restoring the PC reverts your computer to a working state so that all of the computer problems including the boot configuration data file does not contain a valid OS entry is fixed.

To Restore System,
  1. Insert the installation media
  2. Restart the PC
  3. Boot from the installation media
  4. Choose your language
  5. Select troubleshoot
  6. Select System Restore

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