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If your machine is crashing to a blue screen of death and displaying the error DRIVER_IRQL_NOT_LESS_OR_EQUAL on a windows 10 machine don’t worry as I will show you how you can easily resolve this issue.


This error is usually caused by some sort of issues with a hardware driver, some operating system files have become corrupt, issue with hardware in your system, your machine could be infected with a virus or malware.

The error DRIVER_IRQL_NOT_LESS_OR_EQUAL shows us that the issue is being caused by some sort of issue with a device driver in your machine.  First thing we need to do is work out which driver or file caused the issue.


On the blue screen take a look at the bottom left where it says What Failed and it should say a file name next to it.  For example in the blue screen of death I have just seen it shows the Netwtw04.sys caused the crash.  Now we know which file caused the crash head over to google and google the file name (In my case Netwtw04.sys ) and find out what driver this file is using.

In my case it was the network adapter.  Now go in to device manager on your system by clicking start and type in “Device Manager” and hit enter, then in the device manager application find the hardware that is causing the issue. Right click on the device and click properties then the driver tab.  Take a look at what the driver version is.

Now look on google for an updated driver for your hardware device.  Download the driver on to your system.  Go back to device manager and right click on the device and select “update driver” then follow the prompts to manually update the driver pointing to the updated driver you just downloaded.

After installing a newer driver reboot your system and hopefully the DRIVER_IRQL_NOT_LESS_OR_EQUAL blue screen of death issue is now resolved.

Make sure your anti-virus software is up to date and perform a full scan on your system.  If you do not have any anti – virus installed I highly recommend AVG, best of all its free


If you want to try to prevent your system from crashing in the future you can do a few things such as

1 – Once a month update all of your hardware drivers on your machine.  New drivers with fixes are being released all the time

2 – Run windows updates once a month, It’s always a good idea to keep your system up to date

3 – Once a month run a chkdsk and defrag on your machine

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