How to fix error irql not less or equal windows 10 ?

I. Repair, Reinstall, and Windows Update Drivers

If you have tried the above solutions, but the error persists. Then you should check that the application (which is used by the side hardware) can be corrupted. In this case, you need to fix, reinstall, or update the drivers on your Windows computer.

  • When the IRQL_NOT_LESS_OR_EQUAL error occurs on your computer, it will come with a specific error code such as D1 or 0A. With the “D1” stop error code, it will show you which driver files are generating errors. But if it comes with “0A” stop error code, Windows can not determine the cause of the problem.
  • In this case, you can try using Windows System Log to determine the cause of the problem. To open Windows System Log, click the Start -> Run -> icon, type “view event logs” -> and select Event Viewer from the list.

  • You can also access Event Viewer by going to Control Panel -> Administrative Tools -> Event Viewer.
  • On the left side, select Windows Logs and then click on System. In the list of Windows events, focus only on events that come with red icons. Click on it to find out more about the problem and find a suitable solution to repair it.

For example : If it involves a controller chipset, you can uninstall old drivers and replace them with new ones.

  • If you do not know how to determine the cause of the problem through the details of the event, then right-click on the event with the red icon, click Copy and select details┬áCopy details as Text


  • Then save a .txt file (text file) and save it to your computer.
  • Next, the Microsoft forum and open a new topic to ask for help from Microsoft’s supporters. They will analyze the records (text files) and help you identify the problem.

II. Restore or Reset Windows To resolve the IRQL_NOT_LESS_OR_EQUAL errors

If System Protection is enabled on your computer you will be able to use this feature to restore your Windows PC back to a working point with Windows System Restore.

  • To restore your Windows, right-click the “My Computer” icon on the desktop, select Properties.
  • Next, select System Protection from the left, and then click on “System Restore“. In the next window, you will be able to select the previous point, when your computer is still functioning properly. Just choose that you restore the previous state.

  • After the restore is complete your computer will restart

III. Check your computer’s RAM

If you have a problem with the RAM memory, because the computer’s RAM is faulty, then IRQL_NOT_LESS_OR_EQUAL error, so you must also check.

  • To open the Windows Memory Diagnostics tool, press the Windows key -> type “memory diagnostic” and select Windows Memory Diagnostics from the list.

  • Then analyze the RAM on the computer and fix the errors


You can refer to the article below for more information :

How to fix error irql not less or equal windows 10 ?
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