nput/Output Requests Packets (IRPs) are kernel mode structures that are used by Windows Driver Model (WDM) to interact with each other and with operating system. These data structures are usually created by I/O manager in response to I/O requests from user mode. An inconsistent state of IRP is primarily caused due to operating system malfunctioning, virus infection and more. In most cases of inconsistent IRP state, you encounter a STOP error message. Two major consequences of a STOP error message are unbootable hard drive and data inaccessibility. In such situations, an ideal solution is to restore your data from an updated backup. However, if no backup is available or backup is unable to restore the required information, you need to opt for advance data recovery software to recover your data.

As a practical instance, you encounter the below STOP error message due to inconsistent IRP state:

“STOP: 0x0000002A (parameter, parameter, parameter, parameter) INCONSISTENT_IRP” Parameter 1: The address of the IRP that was found to be inconsistent Parameter 2: Reserved Parameter 3: Reserved Parameter 4: Reserved

Data saved on the hard drive becomes inaccessible after you encounter the above error message. Additionally, you receive the same error message each time you attempt to boot your system.

Cause:

The root cause for the above error message is inconsistent IRP state. For example, an IRP has been completed, but is still as being queued to a driver's device queue. Resolution:

Resolution:

To resolve the above error message and access the data, you will need to follow these measures:

* Remove the new hardware and reboot your system. * Verify that the compatibility of the hardware and drivers by using Microsoft Hardware Compatibility List (HCL). * While booting your system, select Last Known Good Configuration option

If all the measures fail to resolve the issue, try using Emergency Repair Disk. In case, you do not have an Emergency Repair Disk or the disk falls short to resolve the problem, then you will need to perform a clean reinstall of Windows. A fresh reinstall of Windows will erase all the data from the selected hard drive partition. To recover your data under such scenarios, you will need to opt for advanced data recovery software. These data recovery tools use powerful scanning algorithms to recover lost data
from a formatted hard drive.

Stellar phoenix windows data recovery is a powerful and reliable data recovery application. The utility recovers lost data from corrupted, deleted, formatted or lost hard drive partitions and volumes. The utility supports 185 different file types that can be further extended. It is compatible with FAT32, VFAT, NTFS and NTFS5 file systems. The utility supports Windows 7 (Currently in RC1), Vista, XP, 2003 and 2000.

Author:-K MADHAV
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