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BSOD - Driver IRQL not less or equal


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#1 chooksbf

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Posted 28 January 2011 - 08:46 AM

Hello All,

This is my first time posting, have tried to find an answer on here without success.

My computer has started showing up the dreaded BSOD and Im unsure how to proceed.

The message says Driver IRQL not less or equal
Technical Info:
Stop: 0x000000D1 (0xFFFFF8800A0C13E8, 0x0000000000000002, 0x0000000000000000, 0xFFFFF8800114423E)
iastor.sys - Address FFFFF880011423E base at FFFFF880010F3000, DateStamp 4bc49f60

Collecting data for crash dump... etc

BSOD occurs everytime I log into windows normally in the admin account since it first occurred 5 or 6 hours ago, too many restarts to remember.
I can start in safe mode in the non administrator account, but cannot start in safe mode in the admin account(BSOD everytime).

Any help would be appreciated as to where I should go to from here.

Thanks in advance.

Steve

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#2 Allan

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Posted 28 January 2011 - 08:49 AM

What is new or different since the last time everything worked properly (ie, new hw, new sw, virus, error, etc)?


Download BlueScreenView:
http://www.nirsoft.net/utils/blue_screen_view.html
unzip downloaded file and double click on BlueScreenView.exe to run the program.
when scanning is done, go to EDIT - Select All
Go to FILE - SAVE Selected Items, and save the report as BSOD.txt
Open BSOD.txt in Notepad, copy all of the content, and paste it into your next reply

#3 chooksbf

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Posted 28 January 2011 - 09:12 AM

Thanks for responding so quick.

I am having to use an old desktop to access the internet to do all this as my laptop where the errors are occuring wont let me start in safe mode with internet access.

My laptop is a HP Pavilion dv6 Notebook Laptop Intel i5 Cpu 4GB Ram

My system originally crashed while I was transferring music files to my ipod, nothing abnormal, nothing new installed.

Anyway since I last posted it crashed again with a different BSOD error which is displayed below

Dump File : 012911-19640-01.dmp
Crash Time : 29/01/2011 12:57:11 AM
Bug Check String : SYSTEM_SERVICE_EXCEPTION
Bug Check Code : 0x0000003b
Parameter 1 : 00000000`c000001d
Parameter 2 : fffff800`02cbbf5f
Parameter 3 : fffff880`0976adc0
Parameter 4 : 00000000`00000000
Caused By Driver : ntoskrnl.exe
Caused By Address : ntoskrnl.exe+70740
File Description : NT Kernel & System
Product Name : Microsoft® Windows® Operating System
Company : Microsoft Corporation
File Version : 6.1.7600.16617 (win7_gdr.100618-1621)
Processor : x64
Computer Name :
Full Path : C:\Windows\Minidump\012911-19640-01.dmp
Processors Count : 4
Major Version : 15
Minor Version : 7600
Dump File Size : 278,680

Thanks in advance

#4 Allan

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Posted 28 January 2011 - 09:15 AM

Well, here's the advice from MS. I'd suggest it's a good starting point for your first troubleshooting steps:
http://msdn.microsoft.com/en-us/library/ff558949%28v=vs.85%29.aspx

#5 chooksbf

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Posted 28 January 2011 - 09:37 AM

Thanks for the link Allan, I'll give that a try.

In the meantime, here is the report from the next time my laptop crashed.

Dump File : 012911-19734-01.dmp
Crash Time : 29/01/2011 1:29:45 AM
Bug Check String : DRIVER_IRQL_NOT_LESS_OR_EQUAL
Bug Check Code : 0x000000d1
Parameter 1 : 00000000`76cfafd0
Parameter 2 : 00000000`00000002
Parameter 3 : 00000000`00000001
Parameter 4 : fffff880`01060b9b
Caused By Driver : iaStor.sys
Caused By Address : iaStor.sys+2db9b
File Description :
Product Name :
Company :
File Version :
Processor : x64
Computer Name :
Full Path : C:\Windows\Minidump\012911-19734-01.dmp
Processors Count : 4
Major Version : 15
Minor Version : 7600
Dump File Size : 278,680

Don't know if it makes any difference to how I can solve the problems

Thanks in advance.

#6 Allan

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Posted 28 January 2011 - 09:39 AM

Okay. iastor.sys is a frequent target of rootkit malware and there have been a good number of similar reports lately. In addition to any other steps you take, you might want to go to the malware section of this forum and ask them for help checking out your system.

#7 chooksbf

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Posted 28 January 2011 - 09:42 AM

Thanks Allan, I'll start a post over there and see how I go.

Thanks for your help, its greatly appreciated.

#8 Allan

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Posted 28 January 2011 - 09:52 AM

You're welcome, but I really haven't done much.




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