When you see this stop code, you need to think about drivers because they are the main culprits for this issue. Of course, like with any other blue screen, it can also be a problem with your hardware so you should be ready to make some changes in that department too.

What is the IRQL_NOT_LESS_OR_EQUAL error?

The IRQL_NOT_LESS_OR_EQUAL error code refers to a memory-related issue that happens when a system process or a device driver needs access to a memory address but it doesn’t have the right to that. IRQL stands for Interrupt Request Level and NOT_LESS_OR_EQUAL defines the boundary level which is outside the value. So, basically, you should look for any changes you performed on your system before this happened. For instance, this can occur if you added or exchanged the RAM modules on your PC.

How can I fix the IRQL_NOT_LESS_OR_EQUAL BSoD error?

1. Use the Startup Repair

  1. Click the Start icon from your Taskbar, click the power button, hold down the Shift key, and select Restart. Alternatively, you can create a bootable media for Windows 11 and start your PC with it.

  2. Select Troubleshoot.

  3. Click on Advanced options, then choose Startup Repair.

  4. If the system detects any problems, it will attempt to solve them. If it doesn’t find any, you will receive the message that Startup Repair couldn’t repair your PC.

  5. Click on the Advanced options button. This will bring you back to the main screen.

  6. Select again Troubleshoot, then Advanced options, and in the new window click on Startup Settings.

  7. Now click on Restart to start the PC in Safe Mode.

  8. From the previous menu, you also have the option to select Uninstall Updates and roll back any recent updates if you suspect that they caused this issue. SPONSORED Or you can choose System Restore and roll back your system to a previous point in time before this error occurred.

  9. Once the PC restarts, press the 4 or F4 key on your keyboard to enter Safe Mode. If the issue is gone, that basically means that a third-party app is causing this issue and you need to uninstall it.

The built-in Startup Repair tool on your PC is likely to solve the IRQL_NOT_LESS_OR_EQUAL error without you having to try out other more complicated solutions.

2. Check the memory on your PC

Since the IRQL_NOT_LESS_OR_EQUAL error can be caused by some problems with the memory, it’s important to use the dedicated Windows Memory Diagnostic Tool to get a reading on your modules.

3. Update, uninstall or rollback your drivers

We demonstrated this procedure on the Network Adapter driver because it’s more likely to cause this error but you should update all drivers. For automatic scans of outdated or missing drivers, do not hesitate to use a dedicated tool such as DriverFix.

4. Run the SFC scan

5. Check the drive for errors

Although the error is often related to memory issues, it can also be caused by disk problems so it doesn’t hurt to check it using the solution above. The command checks the C: drive on your PC, because we’re interested in the system partition (which is C: by default), but you can replace the letter if you want to check the other partitions.

6. Scan your PC for viruses

This problem can also be caused by viruses or malware so we recommend performing a full scan of your system, preferably offline, because some threats may escape the regular full scan. In this solution, we showed you how to perform an offline scan using Microsoft Defender but if you have a third-party antivirus, you can use it instead.

7. Reset your PC

How to check the system stability in Windows 11?

Usually, a blue screen error is due to various problems or instability issues that are detected by the system, thus creating an error report. If you want to see if a software installation or hardware change has created such disturbances, you can check the Reliability Monitor app in Windows 11. Here’s how to do that. In case you get IRQL_NOT_LESS_OR_EQUAL error in Windows 10, we covered some compressive solutions to solve it safely and fast. For any suggestions or questions we wait for your input in the comments section below and we will get back to you as soon as possible.

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