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Summary :

bad system config info

What does bad system config info mean? How to solve the blue screen problem caused by it? This article will give you answers. It will provide 7 practical solutions to this error and you can try them one by one to fix error.

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About Bad System Config Info Error

Some computer users report that they have encountered bad system config info error and this error will cause blue screen and prevent them to boot up computer (there are other causes to blue screen, click here to know more). When bad system config error occurs, the computer often displays the following information and indicates the stop code bad system config info.

stop code bad system config info

Surely, the computer also may display the following information when bad system config info error occurs. BAD_SYSTEM_CONFIG_INFO error is also indicated on the screen.

BAD_SYSTEM_CONFIG_INFO

Bad system config info error can be caused by both software problem and hardware problem. If bad system config info error is caused by hardware problems such as memory back and hard disk corruption, and loose wire winding and port, users must replace hardware or send the computer to be repaired by professionals.

But fortunately, this error is more likely to be caused by software problem. The software problems are as follows: problematic update and software incompatibility, corrupted MBR, incorrect Boot Configuration Data (BCD) file, corrupted registry, damaged or corrupted RAM, bad drivers, etc.

How to Fix Bad System Config Info Error

Sometimes, BAD_SYSTEM_CONFIG_INFO error just results in blue screen temporarily and restarting computer can repair it. However, most of the time, this error won't disappear after restarting computer. If so, users can adopt the following methods to fix it.

Fix 1. Uninstall Applications and Updates

Some users report that this error appears after they install a new application or Windows update. The reasonable cause must be incompatibility problem. So, if the computer can boot into Safe Mode, users should uninstall applications or the problematic update.

How to boot into safe mode?

Step 1: Enter WinRE (click here to know how to enter WinRE) and navigate to Troubleshoot > Advanced options. Then click Startup Settings.

Step 2: Click F4 key to choose Enable Safe Mode option, thus booting into safe mode.

choose Enable Safe Mode option

How to uninstall applications in Safe Mode?

Step 1: Open File Explorer. Right click on This PC and choose Properties.

Step 2: Click Control Panel Home at upper left corner of the new pop-up window. Then select Programs and Features in the next pop-up window.

Step 3: Right click an application and click Uninstall.

uninstall applications

How to uninstall updates?

Step 1: Click View installed updates on the above interface where apps are uninstalled.

Step 2: Right click a problematic update to uninstall.

Fix 2. Update Drivers

This method is also available when users can boot in Safe Mode.

Step 1: Press "Windows + X" keys and select Device Manager in the pop-up menu.

Step 2: Expand directory and select Update driver. Please update all hardware drivers to make sure that they are all up to date.

update driver in Device Manager

Step 3: Select Search automatically for updated driver software in the pop-up window.

Tip: If Windows can't find a new driver, users can find a driver on the device manufacturer's website and follow its instruction to perform operation.

Surely, there are some users who report that the BAD_SYSTEM_CONFIG_INFO error occurs after they update to unsuitable drivers. If so, users can uninstall device to fix this problem.

Fix 3. Test RAM

Some users also find that the stop code bad system config info error can be caused by RAM problem. If the computer can boot into safe mode, users can adopt the following steps to check RAM problem.

Step 1: Press "Windows + R" keys and type "mdsched.exe".

Step 2: select "Restart now and check for problems".

Step 3: The computer will restart and run a memory check. This process will usually take a few minutes.

If the result indicates that there are some problems with the RAM, users could check RAM in another normal running computer. If it is the RAM that has problem, users may have to replace the RAM stickers or they can contact the device manufacture to get supports.

Fix 4. Use BCDEdit Command

Windows 10 bad system config info error may occur due to incorrect system configuration like improper number of processors and wrong memory amount value. Some users report that the computer will overheat if the number of processors is very large, which will cause BAD_SYSTEM_CONFIG_INFO error sequentially.

Besides, some users also report that the abnormal value (usually it is too small) of memory amount will prevent computer to boot up. Fortunately, the two problems can be solved by bcdedit commands even if the computer can't boot into safe mode.

Here is the tutorial.

Step 1: Enter WinRE. Navigate to Troubleshoot > Advanced options. Then click Command Prompt to open cmd.exe black input window.

Step 3: Input the following two command lines: bcdedit/deletevalue {default} numproc, bcdedit/deletevalue {default} truncatememory. Each command line is followed by pressing Enter key.

bcdedit command

Step 4: Close Command Prompt window and try rebooting computer to see whether it is OK.

Fix 5. Fix Windows Registry

Windows registry is an important database in Microsoft Windows for storing settings information of system and application. The various parameters stored in registry control directly the startup of Windows, the loading of hardware drivers, and the operation of some Windows applications.

Therefore, some registry issues can also cause bad system config info error. And usually, this registry issue can be repaired through command lines.

Here is a tutorial for solving bad system config info Windows 10 error caused by corrupted registry.

Step 1: Enter WinRE and navigate to Troubleshoot > Advanced options. Then click Command Prompt.

Step 2: Follow the wizard to open cmd.exe black input window.

Step 3: Execute the following commands one by one.

  • CD C:WindowsSystem32config
  • ren C:WindowsSystem32configDEFAULT DEFAULT.old
  • ren C:WindowsSystem32configSAM SAM.old
  • ren CWindowsSystem32configSECURITY SECURITY.old
  • ren C:WindowsSystem32configSOFTWARE SOFTWARE.old
  • ren C:WindowsSystem32configSYSTEM SYSTEM.old

These command lines will enter WindowsSystem32config and rename folders under it. Thus, Windows can't use them anymore and users can restore them later (in system restore) if necessary.

  • copy C:WindowsSystem32configRegBackDEFAULT C:WindowsSystem32config
  • copy C:WindowsSystem32configRegBackSAM C:WindowsSystem32config
  • copy C:WindowsSystem32configRegBackSECURITY C:WindowsSystem32config
  • copy C:WindowsSystem32configRegBackSYSTEM C:WindowsSystem32config
  • copy C:WindowsSystem32configRegBackSOFTWARE C:WindowsSystem32config

These command lines will copy the files in RegBack to config. In other words, these command lines will replace the old registry entry files with the registry backup.

If these command lines don't work, users can type "notepad.exe" to open this program. Then click File and Open. And then, navigate to boot system > Windows > System32 > config. Display all files and rename them by just adding a symbol in case these files need to be restored. Then go to RegBack folder to copy all files from it and paste them to config folder.

Windows/System32/config folder

Step 4: Close Command Prompt and restart computer to see whether bad system config info error is solved.

Fix 6. Bootrec Command

Bootrec.exe is a computer program file that can be used in WinRE Command Prompt to solve and repair Master Boot Record (MBR) issue, boot sector issue, and Boot Configuration Data storage issue.

If the BCD files get corrupted, bad system config info error may also occur. And this problem can also be solved in WinRE.

Here is the tutorial.

Step 1: Enter WinRE and open Command Prompt window.

Step 2: Execute the following command lines one by one.

  • bootrec /fixmbr
  • bootrec /fixboot
  • bootrec /rebuildbcd

Fix 7. System Restore or Reset Computer

If the previous methods can't solve the bad system config info error, users can perform system restore or computer reset to solve Windows 10 bad system config info error.

However, the bad system config info error may cause data loss, so users should recover and backup important files in advance. Aiming to recover data when computer can't boot, MiniTool Partition Wizard is recommended.

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Here is a tutorial for recovering data when computer can't boot.

Step 1: Make a bootable disk of MiniTool Partition Wizard.

Buy MiniTool Partition Wizard and launch it on a normal running computer to get its main interface. And then click Bootable Media on the toolbar.

click Bootable Media on the toolbar

Click WinPE-based media with MiniTool plug-in. And then choose the media destination.

choose media destination

Tip: USB Flash Drive option is recommended, because the boot.iso file will be burnt into it directly to complete a bootable disk. Or, ISO File option is selected, thus the boot.iso file is generated and can be burnt to USB flash drive later by using another media creation tool. CD/DVD Writer option can also be chosen if the computer supports CD/DVD.

Step 2: Set in the Firmware to make the computer boot from the disk containing the burnt boot.iso file.

set firmware

Step 3: Recover data on system partition to other data partitions.

When the computer is booted up by the bootable disk, MiniTool Partition Wizard will open automatically after a few seconds. Then, click Data Recovery.

Note: The drive letters have been changed in bootable disk.

click Data Recovery on the toolbar

Choose logical drive E (the original boot partition C) and then click Scan.

choose a partition for data recovery scanning

Step 4: Find the files that need to be recovered and then click Save button.

Tip: Features like Show Lost File, Find, and Filter can help users find files faster. Then please preview files before it is saved.

find the files that need to be recovered and then click Save

Here is a tutorial for system restore.

Step 1: Enter WinRE and navigate to Troubleshoot > Advanced options > System Restore.

Step 2: Follow the wizard the perform system restore. But please note that Show more restore points should be selected if users don't see any suitable system restore point.

select a proper system restore point

Click Easily Fix: Windows 10 System Restore Stuck (Focus on 2 Cases) for some help if system restore process is not smooth.

If users disable system protection feature and didn't create a system restore point manually, they may find that there is no system restore point. If that happens, please consider resetting this PC.

Here is a tutorial for resetting PC.

Step 1: Enter WinRE and navigate to Troubleshoot > Rest this PC.

Step 2: Follow the wizard to reset PC, but please select Keep my files option.

Click 3 Ways to Fix Windows 10 Reset Stuck at 1/66/99% Black Screen for some help if the computer reset process is not smooth.

If the computer can boot up after system restore or reset this PC, please check whether the important files still exist. If the files are not there, users can refer to the above steps to retrieve them. However, if the bad system config info error still occurs after resetting PC, users should consider hardware problems.

Here are 7 solutions to bad system config info error. These solutions are explained step by step and some of them are illustrated with pictures. Click to tweet

Bottom Line

The above seven ways can solve bad system config info errors caused by most common reasons. But if you have any other solutions, please leave a comment below for sharing. Likewise, if you have problems in performing the above solutions, please leave a comment for discussion.

Surely, if you have problems in data recovery or backup, please leave a comment or email [email protected] to for help.

Bad System Config Info FAQ

What is bad system config info Windows 10?
Bad system config info is a common BSOD bug on Windows systems. When it occurs, you can't boot up your computer.
What causes bad system config info?
The bad system config info error can be caused by hardware problems like memory back and hard disk corruption, and loose wire winding and port, as well as software problems like problematic update, software incompatibility, corrupted MBR, incorrect Boot Configuration Data (BCD) file, corrupted registry, damaged or corrupted RAM, bad drivers, etc.
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