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Windows 7: BSOD, irregular, BC C5

22 Jan 2015   #1
MrModest

W7 home premium 64bit
 
 
BSOD, irregular, BC C5

Dear all,

I am experiencing BS with a BC C5 and sometimes, alternatively, total freezing so that I have to switch off the computer. Both happens irregularly. Working memory seems to be OK, tested with MemTest86+. Boot disk SanDisk SC6SF1M128G1022, Data disk WDC WD7500LPCX-80HWST0. Zip file is attached.
Minidumps are for some reason not created anymore (even though settings are correct).

Your help is greatly appreciated!
All the best
MrModest


My System SpecsSystem Spec
.
22 Jan 2015   #2
Golden
Microsoft MVP

Windows 7 Ult. x64
 
 

There aren't any .dmp file in your attachment. These are required to analyse the BSOD.

Follow these steps:

1. Configure Windows to create minidumps:
Dump Files - Configure Windows to Create on BSOD

2. Set the paging file on C: to be the same size as the physically installed RAM:
Virtual Memory Paging File - Change

3. Set the Windows Error Reporting service to MANUAL:
Services - Start or Disable



4. Test to see that dump files are created:
- Open Windows Task Manager
- Navigate to the Processes tab
- Right-click on explorer.exe, and click Create Dump File



- Note the location of the saved file



- Check that location and confirm that explorer.dmp exists

My System SpecsSystem Spec
22 Jan 2015   #3
MrModest

W7 home premium 64bit
 
 

Thanks a lot, it does exist, but is rather big! 263 MB!
My System SpecsSystem Spec
.

22 Jan 2015   #4
Golden
Microsoft MVP

Windows 7 Ult. x64
 
 

OK. You can delete it - it was just a test to make sure .dmp files can be written to your HDD.

Please do the following:

Run Driver Verifier for 24 hours or the occurrence of the next crash, whichever is earlier.
Driver Verifier - Enable and Disable

Driver Verifier will cause your computer to run very sluggishly - this is normal. What it is trying to do is force your system to BSOD and isolate the offending driver/s. When it does, reboot, disable driver verifier, reboot as normal and upload the new dmp file/s here.

I recommend creating a system restore point before turning on driver verifier:
System Restore Point - Create

If your system fails to boot to desktop once driver verifier is enabled, turn it off by booting into Safe Mode:
Safe Mode
My System SpecsSystem Spec
22 Jan 2015   #5
MrModest

W7 home premium 64bit
 
 

Thank you for this advice. Actually I had driver verifier running in the past for hours and it did not provoke a blue screen or freezing. I even had the impression the system was more stable, even though quite slow. Sorry that I did not mention that from the beginning! Is there an alternative route?
My System SpecsSystem Spec
22 Jan 2015   #6
Golden
Microsoft MVP

Windows 7 Ult. x64
 
 

How long did you run Driver Verifier for? Several hours? If so, we can probably rule out a 3rd party driver...although its still a possibility.

How long did you run MemTest86+ for - experience has shown that a minimum of 8 consecutive passes is required to fully tests the RAM.
My System SpecsSystem Spec
22 Jan 2015   #7
MrModest

W7 home premium 64bit
 
 

Verifier for a couple of hours, almost certainly >24h. MemTest did only one pass before I stopped it. Would you recommend to run it overnight?
My System SpecsSystem Spec
22 Jan 2015   #8
Golden
Microsoft MVP

Windows 7 Ult. x64
 
 

Yes, please do that.
My System SpecsSystem Spec
22 Jan 2015   #9
MrModest

W7 home premium 64bit
 
 

Thank you! I will do so and will report tomorrow!
My System SpecsSystem Spec
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 BSOD, irregular, BC C5




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