Learn how to fix the DRIVER_IRQL_NOT_LESS_OR_EQUAL Error in Windows. Our Windows Support team is here to help you with your questions and concerns.
How to Fix DRIVER_IRQL_NOT_LESS_OR_EQUAL Error in Windows
If you have been using Windows for a long time, you are probably familiar with the Blue screen of death error. The DRIVER_IRQL_NOT_LESS_OR_EQUAL is a critical Windows Blue Screen of Death (BSoD) error with the stop code 0x000000D1.
According to our Experts, this error indicates severe system driver or hardware issues, often linked to improper memory access attempts by drivers, leading to system crashes.
Today, we will look at the causes of this error and how to resolve it easily.
What Triggers the DRIVER_IRQL_NOT_LESS_OR_EQUAL Error?
This error lets us know there has been a critical communication breakdown between the hardware and the processor. When multiple devices simultaneously send interrupt requests to the CPU, the Interrupt Request Level (IRQL) rises, causing the kernel to block I/O operations. Drivers may attempt to access unauthorized memory locations, resulting in system instability.
Here are some of the impacts of the DRIVER_IRQL_NOT_LESS_OR_EQUAL error:
- Sudden, unexpected system crashes
- Complete system freezes
- Frequent Blue Screen of Death interruptions
- Potential for permanent system instability
- High risk of unsaved data loss
- Possible corruption of open files
- Interruption of critical work processes
- Unexpected shutdowns during operations
- Breakdown in hardware-software communication
- Memory allocation conflicts
- Disruption of kernel-mode driver operations
- Interference with IRQL levels
Common Causes and How to Fix Them
1. Corrupted System Files
Damaged or corrupted Windows system files
Click here for the Solution.
- First, run a DISM Command by opening Command Prompt as administrator:
DISM.exe /Online /Cleanup-image Restorehealth - Then, execute an SFC Scan:
sfc /scannowThis scans for and repairs corrupted system files.
2. Hardware Issues
Faulty RAM, damaged hardware, or improper connections
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- Physically inspect RAM sticks
- Use “Windows Memory Diagnostic” tool
- Run extended memory tests
Alternatively, use third-party memory testing software and consult professional diagnostics if needed.
3. Driver Problems
Outdated, misconfigured, or incompatible drivers
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- First, we have to update Drivers. So, right-click the device > Update Driver > Search automatically for updates.
- For network adapter troubleshooting, uninstall and reinstall drivers.
- We can download the latest drivers from the manufacturer’s website
4. Software Conflicts
Antivirus interference, conflicting applications, or recent installations
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- Temporarily disable real-time protection and observe system stability.
- Uninstall recently added software, use System Restore if necessary.
5. Malware and Virus Infections
Malicious software disrupting system processes
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- Perform a full system scan via Windows Defender or reputable antimalware tools.
- Perform offline scans and consider professional cybersecurity help if needed
Prevention Strategies
- Keep Windows and drivers updated
- Install official updates promptly
- Regularly check hardware connections
- Run periodic diagnostics
- Replace aging components
- Install software from trusted sources
- Verify compatibility with your Windows version
- Maintain up-to-date antivirus protection
- Schedule regular system backups
- Utilize Windows recovery options
- Keep a recovery drive handy
[Need assistance with a different issue? Our team is available 24/7.]
Conclusion
By understanding the causes and implementing the right fixes, we can easily fix the DRIVER_IRQL_NOT_LESS_OR_EQUAL error and prevent future occurrences.
In brief, our Support Experts demonstrated how to fix the DRIVER_IRQL_NOT_LESS_OR_EQUAL Error in Windows.
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