After a Windows 10 or overnight update, Windows 10 crashes on startup with a blue screen and BSOD Bad System Config Info.

Windows 10 can then complete the automatic repair.

Unable to access the Windows 10 desktop due to this crash.

This article helps you to solve the BSOD Bad System Config Info when your PC starts in Windows 10.Resolve Bad System Config Info when Windows 10 starts

Resolve Bad System Config Info when Windows 10 starts

Solve Bad System Config Info on Windows 10

Restore Windows 10 registry

You can try to restore the Windows 10 registry from the recovery options command prompt.

  • To access system restore from Windows 10 recovery options.
  • Then click the Troubleshoot button.Windows 10 starts looping on auto repair
Troubleshoot option in Windows 10
Troubleshoot option in Windows 10
  • In the new menu, click the Advanced Options button.
  • Then in the list on command prompt.Windows 10 starts looping on auto repair

Once at the command prompt, enter the following command:

copy c:Windowssystem32configregback* C:Windowssystem32config

Two scenarios, this indicates that files have been copied.

Good news, it means that a backup of the registry files exists.

Restart the PC and check if Windows 10 startup problems and crashes persist.

On the other hand, if that tells you no copied files, then no backup is present.

You will definitely have to reinstall Windows 10.

When the restore finishes, check if that resolves the Bad System Config Info error when Windows 10 starts.

Restore Windows 10

Among the recovery options, you have the option to restore the system.

This brings you back to a restore point where Windows 10 was running.

More information on System Restore: Windows System Restore

  • From Windows 10 recovery options.
  • Then click the Troubleshoot button.
Troubleshoot option in Windows 10
Troubleshoot option in Windows 10
  • In the new menu, click the Advanced Options button.
  • Finally, click on the System Restore menu.
  • Let yourself be guided to restore at a recovery point.Windows 10 starts looping on auto repair
System restore option
System restore option

If Windows does not find any points then restoration will not be possible.

When the restore finishes, check if that resolves the Bad System Config Info error when Windows 10 starts.

Diagnose hard drive issues

A hard drive or SSD failure can cause crashes.

Some system files are inaccessible.

A faulty hard drive or disk partition problem can cause the PC to no longer detect the OS.

Unable to start on Windows and the message “Boot device not found” cannot be found.

Some brands have diagnostic systems.

This is the case for HP, Dell and Lenovo PCs

You have to tap a key when starting the PC to access it and launch diagnostic tests.

Then follow this tutorial: Launch a hardware diagnostic of your PC (HP, Lenovo, Dell).

For PCs from other brands that do not have a diagnostic tool, follow these links:

Reinstall Windows 10

As a last resort, if nothing works and the Bad System Config error still prevents Windows 10 from starting, it should be reinstalled.

You can do this without formatting so as not to lose data.

However, you will need a second working PC to create the Windows 10 installation USB key.

Here is the complete procedure to reinstall Windows 10.

  1. Create Windows 10 installation USB key

    First, you need to create the USB key that will install Windows 10.
    If your computer is crashed, you will need to do this from a working computer.

  2. Start the computer on the USB key

    Follow the full link and tutorial which explains how to start your computer on the USB key: Start the computer on the installation medium.

  3. Type of installation

    Start the installation and let yourself be guided.
    Accept the license agreement and then on the installation type page.
    Finally choose Personalize : install Windows only

  4. Disk partitioning

    During the Windows 10 installation process, select primary partition to reinstall Windows on it, you can either:
    format the partition to delete all data and start from scratch
    Install a new Windows on top, your old data will be moved to the Windows.old folder and so you won’t lose any data.

  5. Copy Windows 10 installation files

    Then the Windows 10 installation files are copied.
    Let the operation take place.
    Once done, remove the Windows 10 installation USB drive and restart the PC.
    Copies and settings are made before arriving on the Windows 10 identification page.

  6. After reinstalling Windows 10

    Hopefully the Windows 10 desktop will open.
    Well done! you managed to reinstall Windows 10.

    Make sure you have your documents.
    Otherwise check the contents of the Windows.old folder, some personal data may be in the users folder.

    Note that after reinstalling Windows 10, you can also recover data and configure applications.
    For example the favorites or passwords of your internet browsers.
    More information, follow this article: Recover deleted apps when resetting your PC in Windows 10

Finally follow the instructions to complete the installation of Windows 10: Tips and guide after installing Windows.

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A Tech Geek who loves to write about Blogging, How-To's and topics around Android platform. He founded techulk with a sole purpose for providing visitors the exact information they need with simple and step by step working explanations.

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