The “IRQL NOT LESS OR EQUAL” error in Windows 10 and 11 indicates potential issues with system file integrity, often due to corrupted data on storage drives, damaged Windows OS files, or faulty RAM. To address this error, several methods can be employed:
1. Repair corrupted system files using DISM and SFC commands.
2. Perform a System Restore to revert to a previous state.
3. Update Windows and device drivers.
4. Run a memory test to check for faulty RAM.
5. Check the health of the storage drive and consider replacing it if failing.
6. Clean install graphics drivers.
7. Disable third-party services that may cause conflicts.
It is advised to back up data before making significant system changes and to seek professional help if issues persist.