8 Best Solutions to Fix Windows 10: BSOD Code 0xC000021A in 2023 - Qiling  

8 Best Solutions to Fix Windows Stop Code 0xC000021A


Microsoft frequently releases Windows updates to address issues in older versions and eliminate bugs. However, the newer version may introduce new bugs and problems for users. One of the most common and frustrating errors across different versions is the "Windows Stop Code 0xC000021A".

8 Solutions to Fix Windows Stop Code 0xC000021A

This error poses a significant challenge for users, making it difficult to start their device and use it for their intended purposes. It has become a major obstacle for many users who need to perform tasks quickly. Fortunately, this guide provides 8 effective fixes to resolve this issue.

Workable Solutions Step-by-step Troubleshooting
1. Unplug All External Devices You should have to unplug them and keep restarting your device...Full steps
2. Repair Corrupted System Files Select the language preference. Then, click "Repair Your Computer"...Full steps
3. Update Device Drivers Boot in Safe Mode in Windows 10. Right-click on the start button...Full steps
4. Rebuild BCD Go to Troubleshoot menu. Look for Advanced Options and...Full steps
Other Solutions Disable the Driver Signature Enforcement Feature > Reset BIOS...Full steps

What Is Windows 10: BSOD Error 0xC000021A?

0xC000021A is a common error that results in a blue death screen, prompting a system restart, indicating a problem with the device that needs to be addressed.

BSOD error 0xC000021A overview

The Windows error is a common issue that affects all versions of the operating system, regardless of the specific version being used. It's a problem that many users have encountered, and the question remains as to why it occurs across all systems. Several reasons contribute to this error, making it a widespread issue that affects many users.

The Windows stop code 0xC000021A can be caused by various reasons, with the most common being a corrupted system file, a faulty driver, or a problem with the Windows Update process. Additionally, issues with the system registry, a malfunctioning device driver, or a hardware problem can also trigger this error. Once the underlying cause is identified, it's possible to resolve the issue and keep using your device smoothly.

Additional Help: How to Recover Data Before Fix Error 0xC000021A

Before attempting to fix a Windows step error or any other issue, it's recommended to add recovery software to protect your data in case something goes wrong during the troubleshooting process. This can help ensure that your data is safe and can be recovered if lost.

Deep Data Recovery WinPE Edition is a highly recommended program that allows you to recover your data regardless of the Windows version you are using. Its user-friendly interface is compatible with all Windows versions, making it a versatile and reliable tool for data recovery.

This program offers versatile compatibility, allowing it to work on various file systems and devices. It has multiple features that may not be available in other data recovery software, including the ability to recover deleted files, restore lost partitions, and repair damaged file systems. Additionally, it can recover data from damaged or corrupted devices, and even recover data from devices that have been formatted or wiped. Overall, it provides a comprehensive solution for data recovery needs.

We recommend choosing Deep Data Recovery WinPE due to its advanced features, which will ensure you're never disappointed when recovering lost data.

Step 1. Create a bootable disk

To prepare for creating a bootable USB, make sure to copy any important data from the USB to another device, as the process will erase the data on the USB. Once you've done that, you can use Deep Data Recovery WinPE Edition to create a bootable disk on the empty USB.

Connect the USB drive to your PC, then launch Deep Data Recovery WinPE Edition. Select the USB drive and click "Create" to create a bootable disk.

Step 2. Boot from the bootable USB

Connect the bootable disk to the PC that won't boot, then restart the computer and press F2 at the same time to enter the BIOS settings, where you can change the boot sequence to prioritize the bootable disk.

To boot the PC from a device other than the hard drive, press F10 to save and exit the settings. This allows you to select "Removable Devices" (such as a bootable USB drive) or "CD-ROM Drive" (such as a bootable CD or DVD) as the boot priority.

Step 3. Recover data from a hard drive that won't boot

When you boot from a USB, you can run Deep Data Recovery from the WinPE bootable disk, then select the drive you want to scan to find all your lost files.

Select file types that you want to recover

Click "Scan" to start the scanning process.

select a location and click search for lost files

After scanning, you can preview and recover data from the computer or laptop. Preview all recoverable files, select the targeted files, and click "Recover" to restore your files. Save the recovered data to another place to avoid data overwriting.

click recover to recover lost data

8 Best Solutions to Fix Windows Stop Code 0xC000021A

The Windows 10 BSOD code 0xC000021A is caused by various factors, including corrupted system files, driver issues, and hardware problems. To resolve this error, you can try a series of fixes, such as running the System File Checker (SFC) tool, checking for driver updates, disabling unnecessary drivers, and running the Deployment Image Servicing and Management (DISM) tool. If none of these solutions work, you may need to try multiple fixes to find the one that resolves the issue for you.

To resolve this error, you can follow the steps outlined in a video tutorial, which provides a detailed, step-by-step guide on how to fix the issue. Alternatively, you can also get an idea about how to fix this error by watching this video tutorial.

Method 1. Disconnect or Unplug All External Devices

To resolve the error caused by external device interference, try disconnecting all external devices one by one, starting with the ones that are least likely to be used. This will help identify which device is causing the issue.

If you're experiencing a Windows stop error 0xC000021A, try unplugging external devices and restarting your device. If the error persists, it may indicate an issue with your device itself. If the error resolves after removing external devices, it suggests that the problem lies with an external device. However, if the error persists, further troubleshooting methods should be explored.

Method 2. Repair Corrupted System Files from the Installation

To remove the blue screen of death error caused by corrupted system files, you can repair the files using simple steps. This process involves using the built-in System File Checker tool in Windows, which scans and replaces corrupted system files with healthy ones. You can also use the Command Prompt or PowerShell to run the tool and repair the files. Additionally, you can use the Check Disk utility to scan and fix any disk errors that may be causing the issue.

Note: To install Windows 11, you'll need to create a Windows Media Creation Tool and boot from it. This process typically involves creating a bootable USB drive or CD/DVD with the Windows installation media, then following the on-screen instructions to complete the installation. Please note that I'll need more information about your specific situation to provide detailed steps.

Step 1. Select the language preference. Then, click "Repair Your Computer".

open command prompt

Step 2. Click "Troubleshoot" and then choose the advanced options. Click "Command Prompt".

Step 3. When the Command Prompt opens up, type the command "chkdsk C: /r" and press Enter.

Step 4. Enter sfc/scannow and click on the Enter button.

run SFC to fix 0xC000021A error

Once you've completed the previous steps, be sure to restart your system. This will allow the operating system to settle and give you a chance to verify if the error has been resolved.

Method 3. Update Device Drivers to Fix the BSOD Error

Forgetting to update device drivers is a common habit among many users, which can lead to errors like this one. To resolve the issue, updating device drivers is a good place to start. You can follow these steps to do so.

Step 1. Boot in Safe Mode in Windows 10.

Step 2. Right-click on the start button to open the menu bar.

Step 3. Choose Device Manager from the given options.

Step 4. Double-click on the device option to open a new small window. In this window, you can select the device you want to use.

Step 5. Now, click on the Driver option from the menu bar and choose Update Driver.

Step 6. Click "Search automatically for driver software".

update drivers to fix error 0xC000021A

Step 7. Tap on the option related to updates given at the bottom of the new window.

The software will automatically update outdated drivers on your device, potentially resolving error 0xC000021A and allowing your system to run smoothly.

Method 4. Rebuild the Boot Configuration Data (BCD) to Fix Code 0xC000021A

If you're experiencing the error in Windows 10, it could be due to BCD issues, which affect Windows 10 startup operations. To resolve this, you can try booting from the Creative Media and following the steps below.

Step 1. To access the Command Prompt in Windows, go to the Troubleshoot menu, look for Advanced Options, and then select Command Prompt.

Step 2. Type the following command in the Command Prompt and press Enter.

rebuild BCD

To resolve Windows 10 BSOD code 0xC00021A, you can try rebuilding the entire configuration of your Windows by following a series of steps, ultimately leading to a fresh start.

Method 5. Disable the Driver Signature Enforcement Feature

To disable the driver that restricts unsigned software from running, follow these steps:

disable driver signature

By resolving the reason behind the Windows stop error 0xC000021A, which is usually due to a corrupted system file, it is possible to solve the error itself. This is because it is considered the most common reason behind this error.

Method 6. Reset BIOS to Fix Code 0xC000021A

Resetting the BIOS can be a solution to resolve the error and also prevent other potential issues. To ensure safety, it's recommended to reset the BIOS of your device. Here are some steps to consider.

Step 1. In the troubleshooting menu, find and select UEFI Firmware Settings.

Step 2. Tap on the Restart button to enter the BIOS system.

Step 3. Find the option "Reset Configuration Data" to accomplish this task.

reset BIOS

Step 4. Save the new settings and restart your computer for a smooth working experience.

To reset your device's operating system while keeping your data safe, follow these steps: enable developer options, go to settings, scroll to the bottom, and select system. Then, tap on advanced and choose reset options, and select erase all data (factory reset). Next, confirm your choice, and your device will restart and begin the reset process.

Method 7. Perform a System Restore to Fix Code 0xC000021A

To resolve Windows 10 BSOD code 0xC000021A, try performing a system restore to a previous point when the system was working properly. This can be done by following these steps:

Step 1. Go to Advance Startup and look for "System Restore".

Step 2. Select a point to restore your system.

Step 3. Tap on the Next button and follow the on-screen instructions.

perform a system restore

The process of using a new device or software can be intimidating, especially for those who are not tech-savvy. However, the on-screen instructions provided are designed to be clear and concise, making it easy to follow along without needing to search for additional resources like video tutorials. This allows users to read through the instructions once and complete the process with ease.

Method 8. Reinstall Windows 10 to Fix Windows Stop Code 0xC000021A

If none of the previous solutions work, the last resort is to reinstall Windows 10. This will reset all system files and allow you to start fresh with a clean installation of the operating system, along with any necessary device drivers. To do this, you'll need to follow the standard process for reinstalling Windows 10, which typically involves booting from a USB drive or CD/DVD, following the on-screen prompts, and selecting the desired settings and features for your new installation.

reinstall Windows 10 - 1

Now, you have to follow the on-screen instructions to install the new copy of the Windows

Conclusion

The blog provides a comprehensive guide to resolving Windows stop code 0xC000021A, offering step-by-step methods to get your device back to a smooth condition. By following each method in order, users can effectively troubleshoot and resolve the issue.

Keep in mind that you shouldn't quit the process unless you have found the right fix. It is possible that you have to follow the procedure of more than one fix to find the right one.

Windows Stop Code 0xC000021A FAQs

If you still have problems, read the frequently asked questions to get additional help.

1. What does 0xC000021A mean?

The error is a particular type of error that is also known as the "death screen", "Windows stop code", or other names. It occurs when a blue screen appears with a notification saying "Your PC ran into a problem and needs to restart".

2. How do you stop the blue screen of death?

To stop Windows 10 BSOD, try the solutions mentioned, such as updating drivers, checking for disk errors, and disabling unnecessary startup programs, among others, which can be helpful.

3. What is a green screen of Death?

Windows green screen is a critical error that can cause significant damage to your system and make your PC unusable if not addressed promptly.

4. How do I fix the kernel mode heap corruption?

To resolve kernel mode heap corruption, the most effective solution is to update device drivers, specifically those related to graphics and other fields, as this often resolves the issue.

Related Articles


Is this information helpful?     

What can we do to improve this information? (Optional)
Refresh Please enter the verification code!


QilingTech uses cookies to ensure you get the best experience on our website.  Learn more  Got it