Blue Screen IRQL_NOT_LESS_OR_EQUAL: Causes and Solutions

The Blue Screen of Death, also known as the “IRQL_NOT_LESS_OR_EQUAL blue screen,” is an error message that appears when Windows encounters a critical problem with your hardware or drivers. This can be caused by a variety of factors, including outdated drivers, hardware issues, or malware. In this article, we will explore the causes and solutions to resolve this issue.

What is the IRQL_NOT_LESS_OR_EQUAL Error?

The IRQL_NOT_LESS_OR_EQUAL error is a system error message that indicates that Windows has detected a violation of the interrupt request level (IRQL) priority order. This means that the system has attempted to execute an operation that requires a higher interrupt level than allowed.

Solution 1: Update Drivers

Ensure that all your drivers are up to date. You can use the Device Manager to check for driver updates. Click on Start, type “Device Manager,” and select it. In the Device Manager, click on “Action” in the top menu, then select “Scan for hardware changes” and then “Search for updated driver software”.

Solution 2: Run a System File Check

Run the System File Checker (SFC) tool to check and replace damaged system files. Open the Command Prompt as an administrator, type sfc /scannow, and press Enter.

Solution 3: Disable Malware

Ensure that your computer is free from malware. Run a full antivirus scan using reputable antivirus software to detect and remove any malware.

Solution 4: Check for Hardware Issues

Check if hardware issues are causing the error. Ensure that all cables are properly connected and that the hardware is in good condition. You can also try removing any recently added hardware to see if it resolves the issue.

Solution 5: Reinstall Device Drivers

Reinstall device drivers to resolve driver issues. Open the Device Manager, right-click on the device you want to reinstall, and select “Uninstall device”. Restart your computer to allow Windows to automatically reinstall the driver.

FAQ

What causes the IRQL_NOT_LESS_OR_EQUAL error?

The error is usually caused by outdated drivers, hardware issues, or malware.

Conclusion

By following these steps and applying the proposed solutions, you should be able to resolve the IRQL_NOT_LESS_OR_EQUAL error and restore stability to your system. Remember to always keep your drivers up to date and protect your computer from malware to prevent future errors.