In short. To fix the IRQL_NOT_LESS_OR_EQUAL error in Windows 11, try running a memory diagnostic, using DISM and SFC Scan, updating or rolling back drivers, or resetting your PC. Check for corrupted system files, incompatible or outdated drivers, or faulty hardware.
The IRQL_NOT_LESS_OR_EQUAL error in Windows 11 can be frustrating, but there are some effective ways to fix it. This guide will walk you through the most reliable methods to fix this error and get your system running smoothly again.
What causes the IRQL_NOT_LESS_OR_EQUAL error?
This error typically occurs when a device driver attempts to access a memory address without proper permissions. Common causes include:
Corrupted system files
Faulty hardware especially RAM
Incomplete software installations
Method 1: Run Memory Diagnostics
Since this error is often related to memory issues, a denmark telegram data good first step is to run diagnostics on your system's RAM.
Open the Start menu and search for Memory Diagnostics.
Click Windows Memory Diagnostics in the search results.
Select "Restart now and check for problems".
Your PC will reboot and run diagnostics. Once complete, you will receive a report detailing any issues found.