Quick Method To Solve IRQL_NOT_LESS_OR_EQUAL Error On Windows 10

Don’t you know what blue screen of death or BSOD errors are? Well, a BSOD is the problem screen you see when your Windows has some major issue. It halts your PC and displays some extremely significant information. Riding on the error you face, the steps you have to take are diverse. The irql_not_less_or_equal issue one of such typical BSOD issues in your computer system, and it occurs more often when Windows users try updating systems with a new version. Below, you will see effective ways to fix this BSOD issue due to the memory crashes or system update.

Reasons Of The IRQL_NOT_LESS_OR_EQUAL Issue :

  • Corruption in the Windows registry from a fresh software change, (install/uninstall).
  • Wrongly configured, corrupted or old device drivers.
  • Driver clash after installing some new hardware.
  • Malware or virus infection that has corrupted the system files of Windows or Windows OS-related program files.
  • Error 0xA blue screen reasoned by the damaged hard disk.
  • Removed or damaged system files after you have installed drivers or software related to Windows OS.
  • The irql_not_less_or_equal issue because of the RAM corruption.

The irql_not_less_or_equal blue screen issue can be reasoned by various firmware, hardware, software or driver issues.


  • An issue has been spotted, and Windows has been shut down to avert damage to the system.
  • The irql_not_less_or_equal emerges and crashes the running program window.
  • Your computer often crashes with Error 0xA when the same program is running.
  • The PC periodically freezes for some seconds at a time.
  • Windows runs slowly and responds slowly to keyboard or mouse input.

In the majority of cases, you’ll see this blue screen of death error after you have installed new software or hardware. Such irql_not_less_or_equal blue screens can emerge during software/program installation, while an MS Corporation-related program (e.g., Windows OS) is running, while a Windows driver is being loaded, or during Windows shutdown or startup. Keeping the record of where and when the STOP error happens is a vital piece of information in troubleshooting the issue.


Solution#1: Disable The Memory Cache For Resolving The IRQL_NOT_LESS_OR_EQUAL Error

For disabling the memory cache of the Windows system, you first have to enter in the system’s BIOS/UEFI menu.

The following steps are for Windows 8 and 8.1 systems so you can go to the UEFI menu:

  • First of all, start Windows.
  • Now, press the Windows logo button + C key to launch the Charm Bar > click on Settings.
  • Now, navigate to the Change System Settings.
  • Here, choose General > click on Advanced Startup > click Restart Now button.
  • Now navigate to Troubleshoot > choose Advanced Options > click on UEFI Firmware Settings.
  • Then, select Restart.

Once you have entered this of your system, next follow these steps:

  • Navigate to the Advanced Menu. Riding on the BIOS/UEFI version, this menu might have a different name.
  • Locate the Cache Memory option > press Enter.
  • Choose Disabled > hit F10 to Save the changes and Exit.
  • Restart the system to check if the irql_not_less_or_equal error still exists.

Solution#2: Update Your Drivers

As mentioned earlier, the irql_not_less_or_equal issue can be reasoned by corrupted or missing drivers. To resolve the issue, update your drivers. If you do not have any patience, time, or computer skills for updating your drivers manually, you can do so mechanically with the Driver Easy. It’ll automatically recognize the system and locate the right drivers for it.

You do not have to acquaint exactly what system the PC is running, you do not have to risk downloading and installing the incorrect drivers, and you do not have to be anxious about making a mistake when installing. You can automatically update the drivers with either the Pro or free version of the Driver Easy. But if you are using the Pro version, it’ll take simply two clicks:

  • First of all, download & install the Driver Easy.
  • Run the app > click Scan Now. The app will then scan the PC and detect any issue drivers.
  • Now, click on the Update button beside one device to mechanically download & install the right version of the drivers (this can also be done using a free version). Or click Update All for downloading and installing the right version of all the drivers automatically that are out-of-date or missing on the computer (this needs the Pro version. You will be asked to upgrade when you click on the Update All option).

Solution#3: Run The Hardware Diagnostic

  • First of all, in the search bar, enter Memory Diagnostic.
  • Click on Diagnostic the memory issues, and it’ll ask you to do the check by restarting computer right away or on the next restart.
  • Scan the memory, and it’ll display a list of problematic problems detected throughout the scan.
  • Replace all the damaged hardware detected in the scan and restart the computer to see if the irql_not_less_or_equal error is gone.

Solution#4: Uninstall The Problem Driver

The faulty drivers can reason the irql_not_less_or_equal error. To resolve the issue, navigate to the Device Manager and locate all the faulty drivers > uninstall them. If a driver is having problems, you will notice a yellow mark alongside its device. The steps mentioned below are for the reference on how you can uninstall a driver:

  • Press Windows logo button + R key simultaneously from your keyboard for opening the run box.
  • Enter devmgmt.msc > click OK. Doing so will open the Device Manager window.
  • In the Device Manager window, find the faulty driver. If the driver is having issues, you will notice a yellow mark alongside the device name > right-click the device name (For instance, uninstall graphics Card.) > choose Uninstall.
  • If asked to confirm the command, check the box alongside Delete the driver for this device > click OK. If you do not notice this box, simply click OK for uninstalling the driver.
  • Reboot the computer and check to see if the irql_not_less_or_equal blue screen is gone.

Solution#5: Scan & Remove Malware From The Computer

To do so, you have to make use of some anti-virus software for thoroughly scanning and removing all Malware from the computer > restart the PC. The annoying irql_not_less_or_equal issue will be resolved.

Solution#6: Perform System Restore

The final solution that you can try to resolve the irql_not_less_or_equal error is to perform the system restore. If the System Protection is switched on, Windows will make a restore point before installing the driver. Then you can pursue these steps for restoring the driver to the previous version to resolve this problem.

The system restore permits the computer to return to the previous state. So some content of the computer such as some programs, system settings, the registry, will get affected. But the personal data and files you have on the system won’t be changed. But you should also have backup for everything saved on computer so that if lost then you can easily go for data recovery through that backup.

  • Press Windows logo button + R key simultaneously to open the run dialog box.
  • Enter in rstrui.exe > click OK. A new Window will open.
  • Click on Next > choose a restore point made before the issue occurred. You can tell from the formed time and date > Click Next for continuing and pursue the on-screen instructions to conclude the process.
  • Restart the computer and check if this BSOD error is gone.

Hope these fixes will assist you in resolving the irql_not_less_or_equal BSOD issue. You really don’t need to try all of the above. Simply work your way down to come across the one best solution that works best for you.

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