Microsoft Windows Error Code 0x000000D1: How to Fix It

Medium 1-3 hours High Severity Verified June 2026
Error Code
0x000000D1
Brand
Microsoft Windows
Product Type
operating_system
Severity
High
DIY Difficulty
Medium
Estimated Fix Time
1-3 hours
Windows error code 0x000000D1, also known as DRIVER_IRQL_NOT_LESS_OR_EQUAL, is a Blue Screen of Death (BSOD) error that occurs when a driver attempts to access memory at an incorrect privilege level. This typically happens due to faulty drivers, hardware issues, or memory problems that prevent Windows from running properly.
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Tools You'll Need

How to Fix Error Code 0x000000D1

  1. Restart Your Computer

  2. Boot into Safe Mode

  3. Update Device Drivers

  4. Roll Back Recent Driver Updates

  5. Run Memory Diagnostic

    Save all work before restarting as the computer will reboot immediately
  6. Check for Windows Updates

  7. Run System File Checker

  8. Check Hardware Connections

    Ensure computer is completely powered off and unplugged before opening the case. Ground yourself to prevent static damage
  9. Perform System Restore

    System Restore will uninstall recently installed programs and drivers
  10. Reset Windows (Keep Files)

    This will remove installed programs and reset system settings while keeping personal files

Parts You May Need

Replacement RAM modules
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Anti-static wrist strap
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Replacement RAM modules
Check Price on Amazon
Anti-static wrist strap
Check Price on Amazon
Replacement RAM modules
Check Price on Amazon
Anti-static wrist strap
Check Price on Amazon
Replacement RAM modules
Check Price on Amazon
Anti-static wrist strap
Check Price on Amazon
Replacement RAM modules
Check Price on Amazon
Anti-static wrist strap
Check Price on Amazon
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When to Call a Professional

Contact a computer technician if the error persists after trying all steps, if you're uncomfortable opening the computer case, or if memory diagnostic tests reveal hardware failures. Professional help is also recommended if the error occurs frequently and prevents normal computer use.

Frequently Asked Questions

What causes Windows error code 0x000000D1?
Error 0x000000D1 is typically caused by faulty device drivers, corrupted system files, defective RAM, or hardware conflicts. Outdated or incompatible drivers are the most common culprit.
Can I fix DRIVER_IRQL_NOT_LESS_OR_EQUAL error myself?
Yes, most cases can be fixed by updating drivers, running memory diagnostics, or using system restore. However, hardware issues may require professional repair or component replacement.
Will I lose my files when fixing this error?
Most fixes won't affect your files. System Restore and driver updates preserve your data. Only a complete Windows reset might affect installed programs, though personal files can be kept.
How do I prevent 0x000000D1 errors in the future?
Keep drivers updated, install Windows updates regularly, run periodic memory tests, and avoid installing untrusted software. Regular system maintenance helps prevent driver conflicts.
Is error 0x000000D1 related to specific hardware?
This error commonly occurs with graphics cards, network adapters, and USB devices, but can affect any hardware component. The error often points to the specific driver causing the issue in the BSOD message.