Driver irql less or not equal error on Windows 10 [Full fix]

1.3 Update the drivers automatically

If this method doesn’t work or you do not have the necessary computer skills to update/fix the drivers manually, we strongly suggest doing it automatically by using DriverFix.

After several tests, our team concluded that this is the best-automatized solution. Below you can find a quick guide on how to do it.

2. Delete the ASUS AI Suite

ASUS AI Suite is a powerful overclocking tool and you can use it to get better performance, but sometimes overclocking your hardware can cause Driver irql less or not equal error to appear.

To fix this problem it’s recommended that you remove this tool and all overclocking settings. After the ASUS AI Suite software is removed, the error should be completely fixed.

3. Download the latest network driver

Users reported that you can fix this problem by installing the latest network driver.

This is a simple procedure, and in order to do it just visit your motherboard manufacturer’s website and download the latest network driver for your device.

Of course, you can also use the same procedures presented in our first solution. After the network driver is installed, the issue should be completely fixed.

4. Check your hardware

Driver irql_less_or_not_equal windows 10 blue screen

Driver irql less or not equal error and other Blue Screen of Death errors can appear due to faulty hardware, therefore we advise you to check if your hardware is working properly.

According to users, this issue was caused by the faulty sound card, and after replacing the sound card the issue was completely fixed.

Keep in mind that almost any hardware component can cause this error to appear, so you might need to perform a detailed hardware inspection before you find the faulty component.

5. Update SoftEther VPN software

Some users tend to use VPN tools to protect their privacy online, but VPN software can sometimes cause this error to appear.

Users reported that SoftEther VPN caused Driver irql less or not equal error Blue Screen to appear, but after updating the SoftEther VPN software the issue was completely resolved.

Even if you don’t use this software keep in mind that you need to update your VPN software in order to avoid these types of errors.

If updating the VPN software doesn’t fix the issue, you might want to consider uninstalling the VPN software.

If uninstalling the software fixes the problem, you might want to switch to a different VPN client. Make the wisest choice reading this list with the best products!

6. Remove Zone Alarm firewall

Third-party firewall tools such as Zone Alarm can provide you with decent protection, but sometimes they can also cause this error to appear.

Users reported that Zone Alarm caused this error on their PC, and in order to fix it you need to uninstall Zone Alarm from your PC. After removing Zone Alarm the problem should be completely fixed.

We have to mention that almost any third-party firewall can cause this issue, therefore even if you don’t use Zone Alarm we suggest that you disable your currently installed firewall and check if that fixes the problem.

If that doesn’t work, try removing your third-party firewall completely. You can reinstall it later if it wasn’t responsible for this issue.

Do you want to keep your PC protected by firewall? We have the best list you can find!

7. Reset Windows 10

  1. Open the Start Menu, click the Power button, press and hold the Shift key and choose Restart from the menu.
  2. If you can’t access Windows 10 at all, restart your PC a few times during the boot sequence to access Advanced Boot menu.
  3. Now choose Troubleshoot, select the Reset this PC option and click on Remove everything.
  4. If you’re asked to insert Windows 10 installation media, be sure to do so.
  5. Select your version of Windows and choose Only the drive where Windows is installed and select Just remove my files.
  6. Now you’ll see the list of changes that reset will perform. Click the Reset button once you’re ready to start.
  7. Follow the instructions on the screen to complete the reset.

After the reset is done, you’ll need to install all your applications and move files from the backup.

If previous solutions didn’t work, you might have to reset Windows 10. Keep in mind that reset will delete all files from your system drive, so be sure to back them up.

You might also need a Windows 10 installation media to perform the Windows 10 reset properly.

Keep in mind that reset will only fix this error if it’s caused by your software. If the issue is caused by hardware, you’ll need to use a different solution.

Driver irql_less_or_not_equal error on Windows 10 can cause many problems, but you should be able to fix it by using one of our solutions.

Our solutions also cover the Windows 10 irql_less_or_not_equal Lenovo driver issue.

Tell us in the comments section below what worked for you or if you found another solution.

FAQ: Read more about the Driver_irql_not_less_or_equal

  • What is error Driver_irql_not_less_or_equal?

The DRIVER_IRQL_NOT_LESS_OR_EQUAL error is a BSoD error that occurs when your network driver uses an incorrect memory address. You may also see ndis.sys on the screen.

  • How do I fix Irql not less or equal?

You can start by deleting the ASUS AI Suite, and downloading the latest network driver. If the problem persists, follow our step by step guide to fix this issue.

  • What causes Irql_not_less_or_equal?

Usually, the Irql_not_less_or_equal error is caused by a problem with your network driver or by the ASUS AI Suite. But our guide on what can cause a BSoD error might give you more details.

Editor’s Note: This article was originally published in November 2017 and was revamped and updated in February 2021 for freshness, accuracy, and comprehensiveness.

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