Fix BAD SYSTEM CONFIG INFO error in Windows 10 [BSoD Help]

Milan Stanojevic
by Milan Stanojevic
Deputy Editor
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  • BAD_SYSTEM_CONFIG_INFO falls into the category of Blue Screen of Death errors.
  • The solutions in such cases are quite standard, so try each of them in turn.
  • BSoD errors are pretty scary but we have solutions for all in our BSoD Hub.
  • We wrote a plethora of articles about fixing Windows 10 so check out our Windows 10 errors section.
How to fix BAD SYSTEM CONFIG INFO error in Windows 10

Blue Screen of Death errors, also known as STOP errors, are one of the more serious problems on Windows 10.

These errors can be caused by incorrect system settings, software, or even by faulty hardware.

BAD_SYSTEM_CONFIG_INFO falls into the category of BSoD errors. Along with it, in this article we’re also going to cover the following issues:

  • Bad_system_config_info registry
  • Bad_system_config_info RAM
  • Bad system config info on startup, boot
  • Blue screen of death bad_system_config_info
  • Bad_system_config_info after update
  • Bad_system_config_info hard drive, HDD
  • Bad system config info loop
  • Bad_system_config_info ntoskrnl.exe, ntfs.sys, classpnp.sys, rdyboost.sys

So if you’re having trouble with any o these error instances, be sure to try the solutions below.

How do I fix BAD SYSTEM CONFIG INFO BSoD error?

  1. Update your drivers
  2. Use the bcdedit command
  3. Fix the BCD file
  4. Fix the Windows Registry
  5. Perform a System Restore / Windows 10 reset
  6. Check your hardware

1. Update your drivers

Outdated or incompatible drivers can cause many issues.

For example, if your drivers don’t work, you won’t be able to use certain hardware, and in the worst-case scenario, you’ll get a BSoD error such as BAD_SYSTEM_CONFIG_INFO.

This is why, in order to avoid all BSoD errors, be sure that all major components are up to date with the latest drivers.

All you need to do is to visit your hardware manufacturer’s website, locate your device, and download the latest drivers for it.

After installing the latest drivers, BSoD errors should be resolved. Bear in mind that you’ll have to update as many drivers as you can in order to successfully fix this problem.

Alternatively, to avoid manually updating drivers and possibly downloading the wrong one, we recommend using a dedicated tool such as DriverFix to automatically get the necessary updates.

This tool will help with exactly this job – scan your system for outdated drivers and find the compatible software to replace them.

Downloading and installing DriverFix only takes a couple of seconds, and no extra tweaking is necessary. It will start to scan your PC for driver problems right away.

At the end of the process, you will get a list of recommended drivers to install.

DriverFix automatically update drivers

You only need to click on the Update All button to install all the drivers or click on the checkboxes corresponding to each driver if you want to install them individually.

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2. Use the bcdedit command

  1. Restart your computer while it boots. Repeat this step until you start the Automatic Repair.
  2. Choose Troubleshoot, then Advanced Options, and start Command Prompt.
  3. Enter the following lines:
    • bcdedit/deletevalue {default} numprocBad_system_config_info registry bcdedit/deletevalue {default} numproc
    • bcdedit/deletevalue {default} truncatememoryBad_system_config_info RAM bcdedit/deletevalue {default} truncatememory
  4. Close Command Prompt and try starting Windows 10 again.

3. Fix the BCD file

  1. Insert the bootable DVD or USB flash drive and boot your PC from it.
  2. Click on Next and then click on Repair your computer.
  3. Choose Troubleshoot, then Advanced Options, and select Command Prompt.
  4. Enter the following lines and press Enter after each line in order to execute it:
    • bootrec /repairbcdBad system config info on startup bootrec /repairbcd
    • bootrec /osscanBlue screen of death bad_system_config_info bootrec /osscan
    • bootrec /repairmbrBad_system_config_info after update bootrec /repairmbr

Note: To complete this solution you’ll need a Windows 10 installation DVD or a bootable USB flash drive with Windows 10 on it.

If you don’t have a bootable USB flash drive you can easily create one by using Media Creation Tool.

It’s worth mentioning that the last command will delete Master Boot Records and recreate them, so be careful while using it. After you’re done, close Command Prompt and restart your PC.


4. Fix the Windows Registry

  1. Boot your computer from Windows 10 installation media (check the previous solution).
  2. Choose Troubleshoot, then Advanced Options, and select Command Prompt.
  3. Enter the following lines and press Enter after each line in order to run it:

CD C:\Windows\System32\config

ren C:\Windows\System32\config\DEFAULT DEFAULT.old

ren C:\Windows\System32\config\SAM SAM.old

ren C:\Windows\System32\config\SECURITY SECURITY.old

ren C:\Windows\System32\config\SOFTWARE SOFTWARE.old

ren C:\Windows\System32\config\SYSTEM SYSTEM.old

Note: By entering these commands you’ll rename all these folders. After you rename them, Windows 10 won’t be able to use them anymore. You can also delete them, but it’s always better to rename them in case you need to restore them later.

  1. Enter the following lines into Command Prompt:

copy C:\Windows\System32\config\Reg\Back\DEFAULT C:WindowsSystem32config

copy C:\Windows\System32\config\Reg\Back\SAM C:WindowsSystem32config

copy C:\Windows\System32\config\Reg\Back\SECURITY C:WindowsSystem32config

copy C:\Windows\System32\config\Reg\Back\SYSTEM C:WindowsSystem32config

copy C:\Windows\System32\config\Reg\Back\SOFTWARE C:WindowsSystem32config

2. This will copy the registry backup and replace the old files. Close Command Prompt and restart your computer.


Too complicated? Here are the best user-friendly registry editors to make the task easier!


5. Perform a System Restore / Windows 10 reset

  1. Restart your computer a couple of times while it boots. This will start the Automatic Repair process.
  2. Select Troubleshoot, then Advanced Options, and select System Restore.
  3. Select your username and follow the instructions.
  4. Select the restore point you wish to restore to and click Next.
    Bad_system_config_info hard drive restore the system from a restore point
  5. Wait for the System Restore process to finish.

Perform a Windows 10 reset

  1. Start the Automatic Repair process by restarting your computer a few times.
  2. Choose Troubleshoot and select Reset this PC.
  3. Select Remove everything, then choose Only the drive where Windows is installed, and then select Just remove my files.
  4. Click the Reset button and wait for the process to finish.

Note: Be sure to create a backup because the reset process will delete all files from your C partition.

In order to complete the Windows 10 reset, you might need Windows 10 installation media, so be sure to have one. After the reset process is completed, you’ll have a fresh installation of Windows 10.


6. Check your hardware

Bad system config info loop motherboard

Most commonly the BSoD errors are caused by faulty RAM, so be sure to check your RAM first.

Users reported that BAD_SYSTEM_CONFIG_INFO error can also be caused by a faulty hard drive, and according to users, replacing the hard drive fixed the problem.

It’s worth mentioning that almost any component can cause this error, so be sure to perform a detailed hardware inspection.

BAD_SYSTEM_CONFIG_INFO isn’t as serious as other BSoD errors, and it can be easily fixed.

Users reported that this error was fixed by using bcdedit or by fixing Windows Registry, so be sure to try those solutions.

FAQ: Read more about BAD_SYSTEM_CONFIG_INFO

  • What causes bad system config info?

Bad system config info error can be either caused by software or hardware. If the error is caused by hardware components, unfortunately, you will be forced to replace that particular component.

  • How can I fix bad system config info?

That problem is usually caused by bad drivers so the first step would be to update them. If the problem persists, you can always rely on our full, step-by-step guide to fix the bad_system_config_info error.

There are a lot of BSoD errors out there so you will have to look for the error code and search for that specific code. You can also check our list with the best software to fix BSoD.

Editor’s Note: This post was originally published in March 2020 and has been since revamped and updated in October 2020 for freshness, accuracy, and comprehensiveness.

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  • THAAAANK you. I spent the entire day yesterday in frustration trying to get my laptop back up and running. This morning, I just tried a final round of googling before I’d give up and luckily found this page and number 2 worked like a dream!

  • Solution 2 (bcdedit) worked, thanks so much!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 😀

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    Thank you…………………………….. so much…. i love u……. thank you thank you……
    solution no 4