3 Ways to Fix DRIVER IRQL NOT LESS OR EQUAL

When there is a flaw in a driver or a driver try to access a protected memory area of your computer, which normally should not access, the message displayed on the blue screen will be DRIVER IRQL NOT LESS OR EQUAL. In this case you have to find that driver and then disable it or replace it with another.

Most often this problem occurs when you`re using Nv4.Sys video driver, related to the Nvidia video card. Also keep in mind Driver IRQL NOT LESS OR EQUAL is usually a memory fault. It is either faulty RAM or faulty sockets on the board. So, it is advisable to test your memory modules (RAM). In order to do so, you will have to create a disk or a boot disk to run the test. After that go online and run every possible test you could find to see if your computer’s memory passes without errors every time.

You can also watch this tutorial on how to solve this BSOD Issue

In order to check what drivers your system uses follow this steps:

Open device Manager.
Click right button to the graphics.
Click Properties.
Click Driver Details.
If you have multiple video adapters installed, repeat these steps for each one of them.
Update the driver for your video card.

The basic steps you have to follow overshooting this "DRIVER IRQL NOT LESS OR EQUAL" error are:

Click Start, click Control Panel and then double-click Display
On the Setting tab, click Advanced and then click the Troubleshooting tab.
Set the Hardware Acceleration slider to None.
Uncheck the box Enable Write Combining
Double-click OK.

Proceeding this way you will prevent the display driver programming the Hardware incorrectly. Be aware that some losses of your features and video performance are possible.

There are two ways to circumvent this unpleasant situation. You can either use the Windows Debugger. If not you have to uninstall-update-roll-back the driver by yourself. Also you can disable the most recent installed service or application to see if them was the cause of the error. If the problem is not solved you can contact the hardware manufacturer for the updates. This is important for backup programs, multimedia applications, AV scanners, DVD playback and CD mastering tool. Also make sure you updated your Windows and AV software, because some of this errors cannot be caused by hardware; they can be a software problem also.

The moment you reboot your personal computer, after finishing the uninstallation process, Windows will detect the new hardware. That allows you to manually install the latest drivers for the device. But, if you don`t have the drivers for the device in error, or maybe you`re just not comfortable with using the Windows device manager, then you can turn to a driver update program that will do all the work for you. That means: find, download and update all device drivers that you need. Driver update software will accurately identify the hardware, which also includes the driver in error. Then it installs the up to date drivers for it.

For online support go to the following link powered by Microsoft Or this one.