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.
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.
Windows includes a built-in firewall and security option named Security Essentials. Windows update operation should be carried out regularly as a way to make sure that all needed drivers are provided. All you have to do to is just download and install device drivers. You’re able to configure which drivers you would love to verify. It is very important to keep in mind that the driver can be merely hoping to access paged-out memory or it may be attempting to access some invalid memory address. You can try out the XP drivers. In the majority of scenarios, Faulty network drivers are accountable for it.
In the event of AMD chipset, visit the official ADM’s website and search for an automated scanner, which will inform you which driver is required. Download and install this, and it’ll let you know which drivers your particular system requirements, together with a download and install them for you, saving you a good deal of time in the approach. If uninstalling drivers doesn’t do the job, you can attempt to update the drivers. If an updated driver isn’t available, try to use a driver from a similar device in the same family. To repair this error, make certain you have the most recent driver available for the video adapter that can be used with Windows 7.
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.
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
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
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.