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Windows 7: iastor.sys & internal_power_error BSoD


30 Apr 2011   #1

windows 7 professional 32bit
 
 
iastor.sys & internal_power_error BSoD

Hi there,

I'm getting two BSoD's in Windows 7...

The first one, "iastor.sys" invariably crashes the system after a few minutes in windows. I manage to circumvent it by working in safe mode with network options.

The second one, "internal_power_error", occurs whenever I try to reset or shut down the computer.

I have not added any new hardware recently, I did however have a virus infection but managed to clean the system using avast!

I have tried to restore the system to a previous stage but to no avail.

I'm attaching the info from the BSoD app, I couldn't produce the system health report as the viewer returns an error when I open it.

System Info:

HP EliteBook 8540p
Windows 7 Professional OEM
Intel i5 M520 @2.4Ghz
4 Gb RAM

Any help at all will be greatly appreaciated!!

Thanks!!


My System SpecsSystem Spec
.

30 Apr 2011   #2

Win 8 Release candidate 8400
 
 

Both of the minidumps show different causes but both list Avast as modified. I would remove and replace with Microsoft Security Essentials at least to test.

http://files.avast.com/files/eng/aswclear5.exe

http://www.microsoft.com/security_essentials/
My System SpecsSystem Spec
30 Apr 2011   #3

Windows 7 Professional x64
 
 

I see the most recent version of Avast is installed; I wonder if something else is the trouble here.

Install the latest ethernet and wireless drivers using this tool: Intelฎ Driver Update Utility
Code:
e1k6232.sys       Thu Nov 05 20:35:19 2009 (4AF37D57)
NETw5s32.sys      Wed Jan 13 11:36:36 2010 (4B4DF694)
Also, install SP1: Learn how to install Windows 7 Service Pack 1 (SP1)

Run driver verifier if the crashes persist: Driver Verifier - Enable and Disable

...Summary of the dumps:
Code:

Built by: 7600.16617.x86fre.win7_gdr.100618-1621
Debug session time: Sat Apr 30 12:19:16.289 2011 (UTC - 4:00)
System Uptime: 0 days 0:03:50.818
*** WARNING: Unable to verify timestamp for iaStor.sys
*** ERROR: Module load completed but symbols could not be loaded for iaStor.sys
*** WARNING: Unable to verify timestamp for aswSnx.SYS
*** ERROR: Module load completed but symbols could not be loaded for aswSnx.SYS
Probably caused by : iaStor.sys ( iaStor+41b66 )
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
BUGCHECK_STR:  0x8E
PROCESS_NAME:  WmiPrvSE.exe
FAILURE_BUCKET_ID:  0x8E_iaStor+41b66
SystemProductName = HP EliteBook 8540p
จจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจ``
Built by: 7600.16617.x86fre.win7_gdr.100618-1621
Debug session time: Sat Apr 30 12:14:40.968 2011 (UTC - 4:00)
System Uptime: 0 days 2:13:46.842
BUGCHECK_STR:  0xA0
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
PROCESS_NAME:  wininit.exe
FAILURE_BUCKET_ID:  0xA0_nt!PopAllocateIrp+a0
SystemProductName = HP EliteBook 8540p
จจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจจ``
  
My System SpecsSystem Spec
.


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 iastor.sys & internal_power_error BSoD




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