BSOD, Windows 7 New Install - WinDbg says ntoskrnl.exe

  1. Posts : 4
    Win 7 Ultimate 64 bit

    BSOD, Windows 7 New Install - WinDbg says ntoskrnl.exe


    I have had a BSOD twice now over the last 2 days. Both times analysis of minidump file says that probable cause is ntoskrnl.exe.

    I have run your diagnostic tool and have attached the output.

    Any help here would be much appreciated.

    I am sure the attached files give you the following information, however just in case, the description of the problem stated when windows reboots is :

    Problem signature:
    Problem Event Name: BlueScreen
    OS Version: 6.1.7601.
    Locale ID: 2057

    Additional information about the problem:
    BCCode: 109
    BCP1: A3A039D8D19956D7
    BCP2: 0000000000000000
    BCP3: EBDAEB567798FDE8
    BCP4: 0000000000000101
    OS Version: 6_1_7601
    Service Pack: 1_0
    Product: 256_1

    Files that help describe the problem:


    Last edited by abooboy; 16 Jan 2014 at 16:17. Reason: adding additional info
      My Computer

  2. Posts : 1,449
    Windows 7 ultimate 64-bit

    from some of the research i have done; it appears that the error is pointing to not enough ram and/or possible bad ram. I would do a memory test using memtest86+ and scan the memory for one or more possible bad modules.
      My Computer

  3. Posts : 4
    Win 7 Ultimate 64 bit
    Thread Starter

    I have run the Windows 7 Memory Diagnostic tool : mdsched.exe.

    No errors were found.

    Does the attached output from the SF_Diagnostic tool shed any light on what's happenning?


      My Computer

  4. Posts : 19,384
    Windows 10 Pro x64 ; Xubuntu x64

    You must use MemTest86+ as is far superior to the Windows memory diagnostic.

    Run it for s minimum of 8 passes.
      My Computer

  5. Posts : 4
    Win 7 Ultimate 64 bit
    Thread Starter

    It's running now. It's completed 1 pass with no errors. I have attached a screenshot. It will take a long time for 8 passes as there is 64GB RAM. Been 6 hrs already.
      My Computer

  6. Posts : 4
    Win 7 Ultimate 64 bit
    Thread Starter

    I'm on Pass 3 and some errors have occurred. Screenshot attached:
      My Computer

  7. Posts : 19,384
    Windows 10 Pro x64 ; Xubuntu x64

    You can stop the test now. You now need to find if its one of the RAM chips, or one of the RAM slots on the motherboard.

    To do this, repeat the test using a single RAM chip in RAM slot 1 of the motherboard. If it passes 8 tests, move that same chip to slot 2 and repeat until all slots have been checked. If it passes in all slots you know that RAM chip is good and all the slots are good.

    Now test the remaining RAM chips one at a time, in slot 1 only, until you find the defective RAM chip.

    I know it will take a long time but there is no other way unfortunately.
      My Computer


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