How to fix IRQL NOT LESS OR EQUAL error on Windows

The IRQL NOT LESS OR EQUAL error is a memory-related error that typically occurs when a system process or driver attempts to access a memory address without proper access permissions.

Below is an example of an IRQL NOT LESS OR EQUAL error screen.

How to fix IRQL NOT LESS OR EQUAL error on Windows

How to fix IRQL NOT LESS OR EQUAL error on Windows

Causes of IRQL NOT LESS OR EQUAL error

Corrupt system files

The most common cause of this error is corrupted system files. This is due to a virus infection , power failure, or disk write error.

Incompatible device driver

This is also one of the common causes of IRQL NOT LESS OR EQUAL error. When installing a new device driver, it will cause compatibility problems, you need to switch back to the old version to fix the problem.

Hardware failure

This error can be caused by a faulty motherboard or RAM.

Incorrect software installation

Sometimes, this error is also caused by incorrect Windows installation and configuration.

Downgrade Windows version

The last common cause is due to the old version of Windows being installed on the new version. Sometimes the system files are not placed in the right place, users need to back up the files and perform a new installation (clean install) to avoid conflicts between versions.

How to fix IRQL NOT LESS OR EQUAL error

The following fixes apply to Windows 10, 8, 7, Windows Vista, and XP.

1. Uninstall malware

If the IRQL_NOT_LESS_OR_EQUAL error occurs after you install a software, it is likely that there is a virus on that software that causes the computer to blue screen error. Therefore, you can perform the method of uninstalling this software to see if this problem is resolved.

Step 1 : Click Settings from the Start menu to continue.

How to fix IRQL NOT LESS OR EQUAL error on Windows
Click Settings from the Start menu

Step 2 : Click Apps on the Settngs page to continue.

Step 3 : Click on Apps & features and set the sort by installation date on the right to continue.

How to fix IRQL NOT LESS OR EQUAL error on Windows
Click Apps & features

Step 4 : Select the application and click Uninstall.

How to fix IRQL NOT LESS OR EQUAL error on Windows
Select the application and click Uninstall

If you uninstalled recently installed software and still get IRQL_NOT_LESS_OR_EQUAL error, then you can try the next method.

2. Keep your computer cool

Computers generate a lot of heat when they run. If your computer accessories don't remove the hot air from your computer as quickly as possible, it can cause your CPU to overheat , so you need to take steps to cool your computer . Here are some ways to reduce your computer's temperature:

  • Upgrade the CPU fan . If the CPU fan's performance is not high, the heat generated by the computer cannot be removed in time.
  • Install another fan . One fan may not solve the problem of overheating CPU, so installing multiple fans will help.
  • Install a water cooler . If your computer is configured with a lot of things and the fan is not solving the problem of high CPU temperature, you can install a water cooler. This is a very safe accessory and you do not need to worry about damaging your computer.

This method did not fix the IRQL_NOT_LESS_OR_EQUAL error? Then you need to try the next method.

3. Disable memory cache

To disable the memory cache on your system, you need to access the BIOS/UEFI menu. Refer to the article How to enter BIOS on different computer models . Once you are in the BIOS/UEFI menu, follow these steps:

Step 1. Access the Advanced menu. Depending on the BIOS/UEFI version, this menu will have different names.

Step 2 . Find the Cache Memory option .

Step 3. Press Enter .

Step 4. Select Disabled .

Step 5. Press F10 to save changes and exit.

Step 6. Restart your computer.

4. Install the latest update

In some cases, you need to make sure that Windows 8/8.1 is installed with the latest version to fix the IRQL NOT LESS OR EQUAL error. You should enable the Automatic Updates option to update automatically.

Follow these steps:

Step 1. Start Windows

Step 2. With Windows Vista, Windows 7, users can type update in the search box to open Windows Updates.

On Windows 8, users can open the Charm Bar by pressing Windows key + C and then Settings > Change PC Settings.

Step 3 . Click Update and Recovery .

Step 4. Click on Choose how updates get installed .

Step 5. Select Install updates automatically .

Step 6. Check the box Give me recommended updates the same way I receive important updates in the Recommended updates box .

Step 7. Click OK .

How to fix IRQL NOT LESS OR EQUAL error on Windows

5. Perform Clean boot

If the RQL NOT LESS OR EQUAL error is caused by a running process, restart the Windows operating system using a Clean boot to fix the problem. With a Clean boot, only those services or processes required for Windows to function are restarted.

Follow these steps:

Step 1. Open the Run dialog box .

Step 2 . Type msconfig and press Enter .

Step 3. Go to the General tab > check the Selective Startup option .

Step 4. Uncheck Load startup items .

Step 5. Go to the Services tab .

Step 6. Check the Hide all Microsoft services box in the lower left corner of the window.

Step 7. Click Disable all > OK .

Step 8. Restart Windows.

To reset these changes and start Windows normally, follow these steps:

Step 1. Go to the General tab .

Step 2. Check the Normal Startup option .

Step 3. Click OK > restart.

How to fix IRQL NOT LESS OR EQUAL error on Windows

6. Remove unnecessary devices

A simple but sometimes effective way to fix this error is to remove all unnecessary hardware devices from the computer and see if the computer boots normally.

7. Repair corrupted files in the Registry

Sometimes, the reason for the IRQL_NOT_LESS_OR_EQUAL error is corrupted files. To fix this, you need to repair the corrupted files in the Registry. Follow these steps:

Step 1 : Click on the Search icon on the Windows Taskbar .

Step 2 : Search for Command Prompt.

How to fix IRQL NOT LESS OR EQUAL error on Windows
Search Command Prompt

Step 3 : Right-click on the search result and select Run as Administrator .

How to fix IRQL NOT LESS OR EQUAL error on Windows
Right-click on the search result and select Run as Administrator

Step 4 : In Command Prompt, type the command sfc /scannow .

How to fix IRQL NOT LESS OR EQUAL error on Windows
Type the command sfc /scannow into Command Prompt

Step 5 : Click Enter after writing the command and the scanning process will start.

How to fix IRQL NOT LESS OR EQUAL error on Windows
The scan for problematic system files will begin.

Step 6 : Restart your PC after the scan is complete.

How to fix IRQL NOT LESS OR EQUAL error on Windows
Restart your PC after the scan is complete

Good luck!

Tags: #System
Sign up and earn $1000 a day ⋙

Leave a Comment

Extremely simple tips to change IP without VPN

Extremely simple tips to change IP without VPN

Being blocked online can be frustrating, whether it's a forum lockout, a game ban, or a temporary IP restriction. The good news is that you don't always need a VPN to get around these restrictions.

How to Take Advantage of the Performance Tab in Task Manager

How to Take Advantage of the Performance Tab in Task Manager

When your computer crashes, seeing how everything is running can help you troubleshoot. And when everything is working, this information can also help you optimize your system.

5 tips to help your Windows 11 laptop battery last all day

5 tips to help your Windows 11 laptop battery last all day

Windows laptops aren't known for their battery life, at least not without some tweaking. But these tips will help your laptop last all day without having to find a power outlet.

Enable or disable the built-in Administrator account on Windows

Enable or disable the built-in Administrator account on Windows

Windows 10/11 includes a hidden Administrator account that you can use to manage all the important data on your computer. Let's see how to enable or disable the built-in Administrator account on Windows 10/11!

Instructions to fix System Service Exception error on Windows

Instructions to fix System Service Exception error on Windows

System Service Exception or SYSTEM_SERVICE_EXCEPTION is one of the BSOD errors (blue screen of death errors). System Service Exceptions errors occur quite commonly and continuously.

Recover Deleted Data with Recuva Portable in Windows 7

Recover Deleted Data with Recuva Portable in Windows 7

In the following article, we will present the basic operations to recover deleted data in Windows 7 with the support tool Recuva Portable. With Recuva Portable, you can store it in any convenient USB, and use it whenever needed. The tool is compact, simple, easy to use with some of the following features:

How to delete duplicate files to save computer memory using CCleaner

How to delete duplicate files to save computer memory using CCleaner

CCleaner scans for duplicate files in just a few minutes, then lets you decide which ones are safe to delete.

10 Windows Settings You Should Never Leave as Default

10 Windows Settings You Should Never Leave as Default

Windows doesn't come with security set up by default, which means there are some default settings you need to change.

How to Download, Update, and Troubleshoot USB Drivers on Windows 10

How to Download, Update, and Troubleshoot USB Drivers on Windows 10

USB devices have become indispensable in everyday life, allowing us to connect a wide variety of essential hardware to our PCs.

How to Lock Guest Wi-Fi Network So No One Can Spy

How to Lock Guest Wi-Fi Network So No One Can Spy

If you properly lock down your guest Wi-Fi network, you can share your Internet connection with any visitors without sharing any other information.

Lost Admin rights on Windows 10, heres how to fix it

Lost Admin rights on Windows 10, heres how to fix it

For some reason, your Windows 10 computer lost Admin rights, every time you open an application on the screen you receive an error message. So how to restore lost Admin rights, please refer to the article below of WebTech360.

3 ways to turn off Windows 11 firewall

3 ways to turn off Windows 11 firewall

In this article, WebTech360 will guide you how to turn off the firewall on Windows 11.

Windows 11 22H2: Moment 1 update with many notable features

Windows 11 22H2: Moment 1 update with many notable features

After a long wait, the first major update of Windows 11 has officially been released.

How to fix Unhandled Exception Has Occurred error on Windows 10

How to fix Unhandled Exception Has Occurred error on Windows 10

The Unhandled exception has occurred error is not related to a specific application, making it more difficult to resolve. This article will guide you through some ways to fix the Unhandled exception has occurred error on Windows 10.

9 Ways to Convert MOV Files to MP4

9 Ways to Convert MOV Files to MP4

These days, most PCs and Apple devices can handle both MOV and MP4 files, at least to some extent. However, the need to convert MOV video files to MP4 files has not diminished.

Extremely simple tips to change IP without VPN

Extremely simple tips to change IP without VPN

Being blocked online can be frustrating, whether it's a forum lockout, a game ban, or a temporary IP restriction. The good news is that you don't always need a VPN to get around these restrictions.

How to Take Advantage of the Performance Tab in Task Manager

How to Take Advantage of the Performance Tab in Task Manager

When your computer crashes, seeing how everything is running can help you troubleshoot. And when everything is working, this information can also help you optimize your system.

5 tips to help your Windows 11 laptop battery last all day

5 tips to help your Windows 11 laptop battery last all day

Windows laptops aren't known for their battery life, at least not without some tweaking. But these tips will help your laptop last all day without having to find a power outlet.

Enable or disable the built-in Administrator account on Windows

Enable or disable the built-in Administrator account on Windows

Windows 10/11 includes a hidden Administrator account that you can use to manage all the important data on your computer. Let's see how to enable or disable the built-in Administrator account on Windows 10/11!

Instructions to fix System Service Exception error on Windows

Instructions to fix System Service Exception error on Windows

System Service Exception or SYSTEM_SERVICE_EXCEPTION is one of the BSOD errors (blue screen of death errors). System Service Exceptions errors occur quite commonly and continuously.

Recover Deleted Data with Recuva Portable in Windows 7

Recover Deleted Data with Recuva Portable in Windows 7

In the following article, we will present the basic operations to recover deleted data in Windows 7 with the support tool Recuva Portable. With Recuva Portable, you can store it in any convenient USB, and use it whenever needed. The tool is compact, simple, easy to use with some of the following features:

How to delete duplicate files to save computer memory using CCleaner

How to delete duplicate files to save computer memory using CCleaner

CCleaner scans for duplicate files in just a few minutes, then lets you decide which ones are safe to delete.

10 Windows Settings You Should Never Leave as Default

10 Windows Settings You Should Never Leave as Default

Windows doesn't come with security set up by default, which means there are some default settings you need to change.

How to Download, Update, and Troubleshoot USB Drivers on Windows 10

How to Download, Update, and Troubleshoot USB Drivers on Windows 10

USB devices have become indispensable in everyday life, allowing us to connect a wide variety of essential hardware to our PCs.

How to Lock Guest Wi-Fi Network So No One Can Spy

How to Lock Guest Wi-Fi Network So No One Can Spy

If you properly lock down your guest Wi-Fi network, you can share your Internet connection with any visitors without sharing any other information.

Lost Admin rights on Windows 10, heres how to fix it

Lost Admin rights on Windows 10, heres how to fix it

For some reason, your Windows 10 computer lost Admin rights, every time you open an application on the screen you receive an error message. So how to restore lost Admin rights, please refer to the article below of WebTech360.

3 ways to turn off Windows 11 firewall

3 ways to turn off Windows 11 firewall

In this article, WebTech360 will guide you how to turn off the firewall on Windows 11.

Windows 11 22H2: Moment 1 update with many notable features

Windows 11 22H2: Moment 1 update with many notable features

After a long wait, the first major update of Windows 11 has officially been released.

How to fix Unhandled Exception Has Occurred error on Windows 10

How to fix Unhandled Exception Has Occurred error on Windows 10

The Unhandled exception has occurred error is not related to a specific application, making it more difficult to resolve. This article will guide you through some ways to fix the Unhandled exception has occurred error on Windows 10.

9 Ways to Convert MOV Files to MP4

9 Ways to Convert MOV Files to MP4

These days, most PCs and Apple devices can handle both MOV and MP4 files, at least to some extent. However, the need to convert MOV video files to MP4 files has not diminished.