IRQL driver - incorrect level

What is DRIVER_IRQL_NOT_LESS_OR_EQUAL?

The DRIVER_IRQL_NOT_LESS_OR_EQUAL error is categorized as a critical-severity system driver issue that can significantly impact your PC's stability. The driver accessed memory at the wrong IRQL level. The most common type of BSOD. When experiencing the IRQL driver - incorrect level fault, users often report sudden system crashes, unresponsive behavior, or a blue screen of death (BSOD). In most diagnostic scenarios, this problem is directly triggered by underlying hardware or software complications such as incompatible driver, corrupted inf file and network or gpu driver. To permanently resolve the DRIVER_IRQL_NOT_LESS_OR_EQUAL issue and prevent further system degradation, it is highly recommended to follow our step-by-step troubleshooting guide below, ensuring your system driver components are functioning correctly.

Common Causes

• Incompatible driver
• Corrupted INF file
• Network or GPU driver

Step-by-Step Fix Guide

• 1
  Identify the faulty driver (.sys file) from the BSOD or minidump

  Identifying the driver helps you target the correct device to update or uninstall.

• 2
  Update or reinstall the corresponding hardware driver

  Resetting the driver verifier prevents boot loops in Windows.

• 3
  Disable Driver Verifier if it was enabled
• 4
  Run MemTest86 to verify memory stability

Commands & Diagnostics