[Solved] How to Fix DRIVER_IRQL_NOT_LESS_OR_EQUAL Windows 10 Error?


Is your Windows 10 Computer or Laptop throwing BSOD error “DRIVER_IRQL_NOT_LESS_OR_EQUAL” in Windows 10?

If your answer is YES and you want to fix it without calling any professional or paying a single penny then you are at the right place, in this blog you will learn how to fix “DRIVER_IRQL_NOT_LESS_OR_EQUAL” error with ease.

Before going to the solution, it is important to discuss some of its hidden facts. Generally, this error is caused by “ndis.sys” file, the error “DRIVER_IRQL_NOT_LESS_OR_EQUAL” would appear on any computer when the wrong memory address used by system driver. Sometime this error may also appear due to the broken or error full network drivers. Try to update the drivers of your system network in order to fix the error.

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It is recommended that before applying the below given steps, update all the outdated system drivers. To do this, you should go with a professional Driver Updater tool to update or repair system drivers with ease.


Causes of DRIVER_IRQL_NOT_LESS_OR_EQUAL (Error 0x000000D1)

DRIVER_IRQL_NOT_LESS_OR_EQUAL error or 0x000000D1 error code is very irritating, it may appear due to several causes. Some of the possible causes are given below:

  • Damaged, out-of-date or improperly configured system drivers
  • Recently added hardware or installed software
  • Damaged hard disk
  • Deleted system files
  • Computer malware or virus infection


Methods to solve “DRIVER_IRQL_NOT_LESS_OR_EQUAL” in Windows 10


Uninstall and install the network drivers

If you can boot Windows successfully, follow these steps to uninstall the drivers.

Step 1: Open the run command by pressing Win+R key.

Step 2: In the run command Window type devmgmt.msc and hit the Enter key to open the Device Manager Windows.

Step 3: Click on the category and select “Network adapters”. Now uninstall network device, right click on it and click on the Uninstall.


Step 4: Click on the OK button to confirm it.


Step 5: Now, install the latest drivers.

Step 6: Also install the wireless network adapters, repeat the steps above to uninstall and install the wireless drivers.


You may also Like: How to Fix Mpr.dll Not Found or Missing Errors


If the System is unable to boot then follow the below given steps.

Step 1: First, you have to boot your system into the Safe Mode.

Step 2: Now, open the run dialogue box by pressing the Windows key and R simultaneously.

Step 3: In the run box, type devmgmt.msc and press the Enter key to open the Device Manager Window.

Step 4: At the Device Manager window, you have to expand the category “Network adapters” and then right-click on the network device and choose the Disable.

Step 5: In case, if you have installed wireless network adapters then you should repeat the above steps to remove the wireless drivers.

Step 6: At last, reboot your computer and then Windows 10 will automatically reinstall the drivers.


Using the Command Prompt

Before applying this solution, it is recommended to boot your Windows 10 in the Safe Mode.

Now, press the Windows + X and select the Command Prompt (Admin) or PowerShell (Admin).


After opening the command prompt, now you have to execute the below given command:


DEL /F /S /Q /A “C:\Windows\System32\drivers\mfewfpk.sys


Above given command will help your system to remove this file. Now, restart your computer and verify if the issue gets fixed or not.


Go with the System Restore

If you are still unable to fix the Driver_irql_not_less_or_equal (mfewfpic.sys) error then you should go with the System Restore.

By Restoring the System you might be able to fix this issue immediately.

If you are not able to access the Windows system then you can run System Restore using the Advanced Boot Menu. Follow the below given steps:

Step 1: First, reboot your computer several times while the boot sequence. This will boot your PC to start Automatic Repair.

Step 2: Here you will see the list of options: Here you have to choose to Troubleshoot > Advanced options > System Restore.

Step 3: Again, enter your admin credential (username and password).

Step 4: System Restore Window will appear and then click on the Next to proceed.

Step 5: Here, mark the Show more restore points option to see all the available restore points. Also, verify the date and time for every entry and choose the desired restore point then click on the Next.

Step 6: At last, simply follow the on-screen instructions to accomplish the restore your PC.

After doing a System Restore successfully now your computer gets restored to an earlier state, and you will see that the issue should be fixed completely.


Automatic Solution

If your problem solved with the above-given tricks then enjoy error-free computer, if not then you should use a professional PC ERROR REPAIR TOOL and fix all the system errors.

This driver update tool will scan your computer and detect all problematic drivers. If the above-discussed error is caused by faulty network drivers then this app would detect the faulty network driver and find new drivers for you to install.

This app is also able to fix different errors such as Windows Installer Errors, Windows Startup Errors, Active X Control problems, Active X Errors, Registry Errors, and many others exe errors, you should try an automatic method to get rid of all these errors.

Automatic method is suggested because there are various errors that are not fixed with any manual resolution, a professional PC Error Scanner will allow you to deal with all types of issues related to Windows system without doing anything manually.

This application is packed with very easy to understand user interface especially for the normal user or those users that don’t have any technical skills. Download and install this application and the rest task will be executed automatically by this.

This tool will scan your PC and fixe all the bugs or errors present inside your computer/laptop. You can also fix any types of system driver issues with the help of this software; it provides the facility to debug driver related problems.

Now you don’t need to suffer from your sluggish system because its advance technology can turn an old system into a brand new computer. Try it once and improve the performance of your old computer.


Follow 3 Simple Steps to Repair PC Instantly!

Step 1 – Download & Install PC Repair Tool.

Step 2 – Click “Scan” button to diagnose the PC.

Step 3 – Click “Fix Errors” to the fix the issues and you are done.

(Note: This powerful tool can increase your performance by 97%)

[Solved] How to Fix DRIVER_IRQL_NOT_LESS_OR_EQUAL Windows 10 Error?
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[Solved] How to Fix DRIVER_IRQL_NOT_LESS_OR_EQUAL Windows 10 Error?
Apply the given solutions one by one and fix the DRIVER_IRQL_NOT_LESS_OR_EQUAL Windows 10 Error without calling any professional and paying them.
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