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Solved: Windows 10 Stop code driver irql not less or equal

Does your computer frequently crash with Blue screen error Driver IRQL NOT LESS OR EQUAL? This article can be a very useful source to fix Driver_irql_not_less_or_equal which is a common blue screen of death error.

Getting Blue screen error Driver IRQL NOT LESS OR EQUAL after recent windows 10 update or install new hardware device? The IRQL error is a memory-related error that often appears if a system process or a driver attempts to access a memory address without proper access rights. The issue mainly occurs due to an incompatible driver, third-party antivirus software or hardware fault. Here in this post, we have listed all possible causes and solutions to fix Driver_irql_not_less_or_equal blue screen error in windows 10.

driver irql not less or equal windows 10

Whenever you face blue screen error, the first thing we recommend remove all external devices (include printer, scanner, external HDD and more) and restart your PC.

Also, shut down your computer, remove power cables and batteries, open up your computer, unseat the RAM, clear any dust and reseat your RAM. Make sure the RAM snaps back into place before restarting your PC.

Note: If due to this blue screen error computer restarts frequently then boot windows 10 in safe mode and perform solutions listed below.

Safe mode boots the Windows operating system without unnecessary and faulty drivers and software. So Once you have entered safe mode you are on the correct platform to fix Driver irql_less_or_not_equal Windows 10.

windows 10 safe mode types

Update Windows 10

Microsoft regularly releases cumulative updates with various bug fixes and security improvements. And installing the latest Windows update to fix the previous problems as well. Let’s first check for and install the latest windows updates following the steps below.

  • Right-click on the start menu then select settings,
  • Go to Update & security than windows update,
  • Now click the Check for updates button to allow download and install windows updates from the Microsoft server.
  • Once done restart your PC to apply the updates.
  • Hopefully, your PC will start normally.

Check for updates

Reinstall IRST or Intel Rapid Storage Technology Drivers

  • Press Windows + R keyboard shortcut, type devmgmt.msc and click ok
  • This will open the Device Manager for you.
  • Now, click on the entry labeled as IDE ATA/ATAPI controllers and expand it.
  • Then, right-click on all the driver entries labeled appropriately and click on the Uninstall device.
  • Restart your computer to check if the issue is fixed or not.

If the issue with the Blue Screen due to iaStorA.sys does not away, the reason might be the fact that the drivers are corrupt or incompatible with the operating system version that you are using. head to your OEM’s website and in the section from Drivers, get the latest version for your device and try overwriting it.

Update or reinstall network adapter

Sometimes corrupted network adapter drivers also cause this windows 10 blue screen error.  Try to uninstall the network drivers then, Install it again to solve your problem.

  • Right-click on the Start icon and select Device Manager from the list of options,
  • On the device manager Expand Network Adapters,
  • Right-click on the Network Drivers and choose “Uninstall device.”
  • Follow onscreen instructions and restart your computer.

On the next start, Windows will automatically reinstall the driver. Or visit the device manufacturer’s website, download and install the latest network adapter driver from there. Reboot your PC and check if IRQL_NOT_LESS_OR_EQUAL on your Windows 10 PC doesn’t occur.

Rollback when the issue occurs after updating driver

Many times, getting the update of a device driver becomes a root factor for this Blue screen issue. In case, this is also a situation with you then roll back the driver to uninstall the update.

Disable Write Caching Policy on the Device

Sometimes Write caching also creates the driver_irql_not_less_or_equal problem on your computer. So you must disable it to fix the issue

  • Open device manager and locate Disk drives
  • Double click on Disk drives to expand it.
  • Right-click on the driver under disk drives and select Properties the last option.
  • On the Disk drive properties window, uncheck the option Enable write caching on the device and lastly click OK.

Run Memory Diagnostic tool

Sometimes driver_irql_not_less_or_equal error might be memory-related issues that generate the BSOD on your PC. Hence running Memory Diagnostic tool would be a wise decision.

  • Press Windows + R, type mdsched.exe and click ok
  • Windows Memory Diagnostic tool will promptly appear on the desktop
  • Select the first one Restart now and check for problems and allow your computer to reboot.
  • As the PC restarts, it will thoroughly check the RAM and shows you the real-time status.

Run memory diagnostic test

If Memory Diagnostic returns with an error it indicates that the issue resides in your RAM and you need to change it.

System Restore

If either of the above solutions is ineffective then System Restore is the best option for you. System Restore will help you send your computer to an earlier date and time when it was running perfectly. All you need to choose a correct restore point (date and time) before starting the process.

  • Press Windows + R, type rstrui.exe and click ok,
  • This will open the system restore wizard click next,
  • Select a suitable date and time from the window and again select Next.
  • Note that you can Scan for affected programs which will provide you extra restore points.
  • Finally, click on Finish to start the restoring and leave your PC for few minutes. It will restart with a fresh Windows 10 screen.

Did these solutions help fix stop code driver irql not less or equal windows 10? Let us know on the comments below.

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