DRIVER_IRQL_NOT_LESS_OR_EQUAL is really a Bluescreen Of Death Windows Mistake which also knows for its error code named STOP: 0x000000D1 and when you are having an older version of Windows like Windows 7 then it’s possible that you’re viewing both of these error code on your computer’s display while having this BSOD crash on your Desktop or Notebook Computer. If you are searching for how to solve Driver IRQL Not Less or Equal Windows 10.
It’s a driver related dilemma of your Windows but sometimes this error also happens due to some corrupted internal documents of the operating system also, and just because of that, all the moments fixing this problem becomes very hard to repair. But the point is, now you don’t must be concerned about it because with all the aid of the article I’ll bound to help you out to remove this error from your computer. Driver IRQL Not Less or Equal Windows 7 can happen on any version of Windows. It is possible that this BSOD error shows in the middle of your windows startup or working on any project. So it is important to fix this error as soon as possible.
The DRIVER_IRQL_NOT_LESS_OR_EQUAL bug check features a value of 0x000000D1. This indicates that a kernel-mode driver attempted to access pageable memory at a process IRQL that was too much. Check Driver IRQL Not Less or Equal Windows XP and Driver IRQL Not Less or Equal Windows 8.
DRIVER_IRQL_NOT_LESS_OR_EQUAL (Epfwwfp.sys) is just a BSOD (Blue-Screen of Death), which will be triggered by malfunctioning epfwwfp.Sys file. Even though it turns up on computers and notebooks running Windows 10, Windows 7/8, XP, and Vista may also cause this problem.
Also Check: Fix BAD POOL CALLER
Method 1: Repair Registry Entries Associated
- Open Run and type “regedit” and ENTER.
- In the Registry Editor, select the Error 0xD1-related key you want to back up.
- From the File menu, choose Export.
- In the Save In the list, select the folder where you want to save the Windows Operating System backup key.
- In the File Name box, type a name for your backup file, such as “Windows Operating System Backup.”
- In the Export Range box, be sure that “Selected branch” is selected.
- Click Save.
- The file is then saved with a .reg file extension.
- You now have a backup of your DRIVER_IRQL_NOT_LESS_OR_EQUAL-related registry entry.
Hardware Related Drivers is the type of drivers what a hardware need to run properly and mostly these types of drivers listed with an external driver.
Also Read: Fix USB Device Not Recognized
Method 2: Perform a clean boot
- Click on Win key + S and type msconfig.
- Select System Configuration > click on Services tab.
- Check on Microsoft Services box and then select Disable all.
- Click Ctrl + Alt + Delete to Open Task Manager.
- Open Startup and disable all programs at startup.
- Restart your PC
Generally, you’ll encounter DRIVER_IRQL_NOT_LESS_OR_EQUAL bluescreen problems after you’ve installed new hardware or software. Also, some outdated drivers can cause this problem. In this article, we are going to fix this issue with the help of simple solutions.
These DRIVER_IRQL_NOT_LESS_OR_EQUAL blue-screens may appear during program installation, while a Microsoft Corporation-related software package is running, while a Windows driver will be packed, or during Windows startup or shutdown.
Faulty Device Drivers and Software
For those who have installed any new drivers recently, uninstall them first. You can do this when you go to the device manager, right-click the device, and click Uninstall. Now restart PC and download latest drivers.
Also Check: Fix One or More Network Protocols Are Missing
Windows Related Drivers is the type of drivers what your windows need.
Here’s The List Of Most Corrupted Drivers File Names –
- athw8x – Atheros Wireless LAN Driver
- igdkmd64– Intel Graphics driver
- tcpip.sys – Microsoft TCP/IP Driver (networking related)
- Netio– Network I/O Subsystem
- usbuhci.– UHCI USB Miniport Driver
- iaStor– Intel Storage drivers
How to Fix DRIVER_IRQL_NOT_LESS_OR_EQUAL (Epfwwfp.sys) Error on Windows?
- Restart PC into safe mode and then go to Advanced boot options.
- When Advanced Options window shows up, select Safe Boot.
- Now open cmd and select Run as Administrator.
- Type DEL /F /S /Q /A “C:\Windows\System32\drivers\epfwwfp.sys” in the box > Enter
- Then restart the system.
Hope above solutions will work for you. We have shared Driver IRQL Not Less or Equal Windows 10, Driver IRQL Not Less or Equal Windows 7 and DRIVER_IRQL_NOT_LESS_OR_EQUAL Windows XP. Comment below if you need any help.