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Bad system config info: 8 fixes

You can get several errors on a Windows installation that can lead to the infamous BSoD or Blue Screen of Death. One such bug is the ‘Bad System Config Info’ issue.

The issue is mainly caused by a malfunction registry or system files, such as faulty hardware, incorrect system settings or a corrupt driver.

In this article, we’re looking at a few fixes that can help resolve this issue. 


Check your memory hardware

The first thing you should do is check your RAM and hard drives. An improperly seated RAM or a faulty hard drive can very well cause this issue as Windows won’t be able to fetch the files it needs. 

Pay attention to your RAM’s and HDD’s health. If you’re starting to get bad sectors on your HDD or if it’s damaged, chances are you’re going to have to replace the drive. The same goes for your RAM.

Also read: How to fix File System Error in Windows 10?


Run an SFC scan

Step 1: Press Windows Key + S to bring up the Cortana/Search box and search for Powershell. Open Windows Powershell from the search results.

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Step 2: Type sfc /scannow to scan your system for issues. 

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Step 3: If the SFC scan finds any problem, use the following command to resolve them. 

DISM /Online /Cleanup-Image /RestoreHealth
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Restart your PC, and the file system error should’ve been resolved. Alternatively, you can also run the DISM tool. You can check out our detailed guide on using the DISM tool here. 


Update your drivers

Check to see if any of your drivers are causing this issue and update or reinstall them to solve the problem. Just open the Device Manager, and you’ll see faulty drivers marked with a yellow exclamation mark. 

Step 1: Press Windows key + X to open the quick access menu and click on Device Manager.

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Step 2: Select the hardware in question, right-click it and click on Update drivers.

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This should help in fixing ‘the problem.

Also read: How to fix Error 1053 in Windows?


Run a check disk scan

Check disk is another popular Windows utility that can scan your system for any corrupted files causing this issue.

Step 1: Press Windows key + X to open the quick access menu and click on Command Prompt (Admin).

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Step 2: Type the following command and hit enter.

chkdsk /f /r C:
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Repeat this command for all the partitions you have, replacing C: with the partition’s assigned drive letter. Restart your PC, and the file system error should’ve been resolved. 


Use the bcdedit command

You can try using the bcdedit command to try and repair some of the corrupt system files causing the issue.

Step 1: Open the Update & Security setting.

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Step 2: Then click on Recovery on the side panel to the left and then select Restart now below Advanced startup.

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Step 3: On the blue screen recovery window, click on Troubleshoot.

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Step 4: Select Advanced options.

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Step 5: Then select Command Prompt.

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Step 6: Once the Command Prompt opens, type the following commands one at a time.

bcdedit/deletevalue {default} numproc
bcdedit/deletevalue {default} truncatememory

Now restart your PC, and the error should’ve been resolved.

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Fix the BCD file

A corrupt or damaged BCD file can also trigger this issue. Now to fix this, you’re going to need a bootable version of Windows 10 on either a flash drive or a CD.

Step 1: Boot your computer using the Windows installation media. Click Repair your computer.

Step 2: On the blue screen recovery window, click on Troubleshoot.

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Step 3: Select Advanced options.

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Step 4: Then select Command Prompt.

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Step 5: Type the following commands one by one in the Command Prompt.

bootrec /repairbcd
bootrec /osscan
bootrec /repairmbr

Now restart your computer to check if the error is resolved.


Repair the registry

If fixing the BCD file didn’t work out, fixing the registry might do the trick for you.

Step 1: Boot your computer using the Windows installation media. Click Repair your computer.

Step 2: On the blue screen recovery window, click on Troubleshoot.

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Step 3: Select Advanced options.

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Step 4: Then select Command Prompt.

Bad system config info: 8 fixes | Candid.Technology

Step 5; Type the following commands one by one in the Command Prompt pressing enter after each.

cd C:WindowsSystem32config
ren C:WindowsSystem32configDEFAULT DEFAULT.old
ren C:WindowsSystem32configSAM SAM.old
ren C:WindowsSystem32configSECURITY SECURITY.old
ren C:WindowsSystem32configSOFTWARE SOFTWARE.old
ren C:WindowsSystem32configSYSTEM SYSTEM.old
copy C:WindowsSystem32configRegBackDEFAULT C:WindowsSystem32config
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

We’re essentially copying the registry backup and replacing as well as renaming old files in case we need to do a system restore in the future.


Run system restore

Lastly, if nothing else works, try restoring your system to a previous point where it was functioning properly. 

Step 1: Press the Windows key and search for Reset this PC. Then, launch the Recovery setting from the search results. 

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Step 2: Click on Open System Restore. 

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Step 3: Select the recommended restore point and click the Next button to proceed. 

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