Fix Error Code 0x000000D1    |    Repair Windows Error 0x000000D1    |    DRIVER_IRQL_NOT_LESS_OR_EQUAL


STOP 0x000000D1 : DRIVER_IRQL_NOT_LESS_OR_EQUAL

STOP Errors are usually the result of a hardware malfunction or device driver issue. It is also possible to receive a Blue Screen Error due to bad system memory, malfunctioning power supply, components overheating, or hardware overclocked beyond its specification. In older versions of the Windows OS you may also receive Blue Screen Errors due to incompatible DLL files.

Since the only option when receiving a Blue Screen Error is to reboot, any unsaved data is lost. With that in mind, it is very important to eliminate these errors to protect your data.

Basic Troubleshooting

Troubleshooting STOP Errors can be a difficult and time consuming process. Try these basic steps to fix your own Blue Scree Error. We hope it will help you avoid an expensive service call and provide a rewarding experience of solving the problem on your own.

Advanced Troubleshooting

The following details are for advanced users. These are provided for your convenience and may help those with advanced knowledge discover the root cause of their STOP Error.


Stop 0xD1: DRIVER_IRQL_NOT_LESS_OR_EQUAL

The DRIVER_IRQL_NOT_LESS_OR_EQUAL stop error code has a value of 0x000000D1. This indicates that a kernel-mode driver attempted to access pageable memory at a process IRQL that was too high.

Parameters

The following parameters are displayed on the blue screen.

ParameterDescription
1Memory referenced
2IRQL at time of reference
30: Read

1: Write

8: Execute

4Address that referenced memory

Cause

A driver tried to access an address that is pageable (or that is completely invalid) while the IRQL was too high.

This stop error code is usually caused by drivers that have used improper addresses.

If the first parameter has the same value as the fourth parameter, and the third parameter indicates an execute operation, this stop error code was likely caused by a driver that was trying to execute code when the code itself was paged out. Possible causes for the page fault include the following:

  • The function was marked as pageable and was running at an elevated IRQL (which includes obtaining a lock).
  • The function call was made to a function in another driver, and that driver was unloaded.
  • The function was called by using a function pointer that was an invalid pointer.
  • The function call was made to a function in another driver, and that driver was unloaded.
  • The function was called by using a function pointer that was an invalid pointer.
  • The function was called by using a function pointer that was an invalid pointer.

Resolving the Problem

To begin debugging, use a kernel debugger to get a stack trace.

If the problem is caused by the driver that you are developing, make sure that the function that was executing at the time of the stop error code is not marked as pageable or does not call any other inline functions that could be paged out.

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Fix Windows Registry Errors    |    DRIVER_IRQL_NOT_LESS_OR_EQUAL    |    STOP 0x000000D1