Windows is a popular OS for PCs and the main for the same goes to its simple and easy to use experience. Right now, we have the latest Windows 10 which by far the best update from Microsoft. Many new as well as old users may face various problems while using their Windows computer. Sometimes, it may happen that, you turn off your windows system after use, and when you turn it on again the next day just to find that there is a blue window of an error with a sad face. This might occur in Windows 8.1 and Windows 10.

One of the worst errors is IRQL_NOT_LESS_OR_EQUAL which goes by an error code Stop 0x0000000A. Usually, this error is witnessed by the users when they are starting up the Windows system like a normal routine. In most cases, this error is associated with failures within the error controllers or a hardware-software, which is defective or has become incompatible.

With this article, we shall tell you how to solve this driver problem, which is also known as “the blue screen of death” or BSOD.


IRQL_NOT_LESS_OR_EQUAL Error: Causes of This BSOD Error

Taking into account that the failure of the “blue screen” is a critical message, which usually suggests immediate attention, due to the abrupt suspension that the system had, it is important to clarify that this is done in order to prevent damage to hardware and software in the equipment.

In most cases, this error is caused due to the incompatibility of the hardware, software, or, failing that, of some drivers, which cause risk within the system. Sometimes, the message will give us a clue about the exact location in the PC, in which to look for the problem or mention the driver that causes the failure, in other devices such as the video card, the driver failure, comes directly by the sound card or failing that, by a hard disk failure.

So, the usual things that can cause irql_not_less_or_equal error on the error can be the failure of hardware compatibility, error in the registry, problems in controllers, and obsolete drivers.


As we said in the previous segment that there could be multiple reasons that could trigger this IRQL_NOT_LESS_OR_EQUAL error which also means that there could be various ways to solve this error as well. You may not require any further technical knowledge to resolve this BSOD error on your Windows PC. There are methods to solve this error by troubleshooting the problem as well as by restoring the PC.

Load the validated configuration (Windows XP, 7, or Vista)

In order to do this, you must turn off the PC and proceed to disconnect all peripheral devices that have been connected to your device, this includes printers, cameras, scanner, hard disk, and others.

When you turn on the computer, you must proceed to press F8, in order to access the BIOS options, in which you can see the advanced boot configuration options.

Select with the keyboard directional the option ” The last known good-valid configuration ” and after that, proceed to press the Enter key, in order to continue.

Once you are inside the operating system, you should go to download directly from the web the drivers that are updated within it. This will be direct, for the peripheral devices of the equipment, more directly, for those that are compatible with the devices.

Restore Windows System

By restoring your Windows computer, you can take to the point where you won’t face the error of IRQL_NOT_LESS_OR_EQUAL. This method will not resolve the IRQL_NOT_LESS_OR_EQUAL BSOD error but it will also remove other potential tools and malware that may cause harm to your PC.

You just need a bootable DVD or Bootable USB Drive and you can resolve the IRQL_NOT_LESS_OR_EQUAL error on any of the Windows OS versions. But you should also remember that this method will remove all the other files and programs stored on the system drive. So, it is a smart move to back up all the necessary and essential files to another drive. If you don’t want to restore then go or next method.

Repair Windows System

For this method, you will also need a Windows installation bootable USB or DVD. This installation drive will look for the program or the file that is causing the IRQL_NOT_LESS_OR_EQUAL error and it will automatically troubleshoot the error.

You won’t lose any data and this BSOD error would be solved.

Why You See IRQL_NOT_LESS_OR_EQUAL Error When Updating Windows

The IRQL error can occur just at the moment in which the system tries to download an “update” of the Windows system.

Sometimes this leads to conflicts within the operating system, and as a result, various failures result when starting the system, thus causing it to shut down suddenly. For this reason, what is professionally recommended is the fact that the antivirus program is removed and along with any “backup” program that is installed on your system.

After finishing the installation of the new operating system, you should only install the programs that are compatible with it and which in the future will not cause any type of conflict. It also proceeds to verify that the devices and their peripherals work with your computer and that they are compatible with the new operating system that has been installed. You can check their compatibility on the internet at various forums.