BSOD bugcheck 50

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  1. Posts : 15
    Windows 7 Professional x64
       #1

    BSOD bugcheck 50


    I have recently received a BSOD for Page_Fault_In_Nonpaged_Area. I have done some research on this error and am aware that it relates to memory. I ran memtest86+ and received no errors. I am new to minidump analysis and I cannot seem to find the answer to my issue. I will include the minidump in this post. Any help would be greatly appreciated.
      My Computer


  2. Posts : 19,383
    Windows 10 Pro x64 ; Xubuntu x64
       #2

    When running MemTest86+ to test memory, its important to run for a minimum of 8 consecutive passes - this is the minimum number need to thoroughly test RAM.

    With your 16GB RAM, that will take several hours so I recommend running it overnight.
      My Computer


  3. Posts : 15
    Windows 7 Professional x64
    Thread Starter
       #3

    I tried four passes during my tests. I will try a few more and get back to you. Thanks for the quick reply.
      My Computer


  4. Posts : 19,383
    Windows 10 Pro x64 ; Xubuntu x64
       #4

    Just to re-iterate : run 8 consecutive passes at once. With that much RAM, I estimate it will take 12 to 15 hrs.
      My Computer


  5. Posts : 15
    Windows 7 Professional x64
    Thread Starter
       #5

    Ok. I am back after 8 consecutive passes and I received no errors. Is there any other cause for this particular BSOD?
      My Computer


  6. Posts : 19,383
    Windows 10 Pro x64 ; Xubuntu x64
       #6

    Code:
    fffff800`00b9c880  00000000`00000000
    fffff800`00b9c888  fffff880`0f6679b0Unable to load image \SystemRoot\system32\DRIVERS\nvlddmkm.sys, Win32 error 0n2
    *** WARNING: Unable to verify timestamp for nvlddmkm.sys
    *** ERROR: Module load completed but symbols could not be loaded for nvlddmkm.sys
     nvlddmkm+0x1d09b0
    fffff800`00b9c890  00000000`00000202
    Uninstall all Nvidia components including drivers.

    Now run this:
    Drivers - Clean Left over Files after Uninstalling

    Now reinstall the very latest driver only, following this tutorial exactly:
    NVIDIA Drivers - Avoid Problems
      My Computer


  7. Posts : 15
    Windows 7 Professional x64
    Thread Starter
       #7

    I followed your instructions for cleaning up the video card driver. I will let you know if there are any problems over the next few days. Thank you for your help.
      My Computer


  8. Posts : 15
    Windows 7 Professional x64
    Thread Starter
       #8

    Well I'm back with another BSOD. Here's the dump file
      My Computer


  9. Posts : 15
    Windows 7 Professional x64
    Thread Starter
       #9

    I did some research and found out that the driver specified in the dump is related to daemon tools which I had previously installed on my computer. I recently reformatted this computer because of blue screens which I found out were caused by a different ISO emulating program. I did not know of any alternatives so I downloaded DT to use temporarily and then uninstalled it but apparently the driver didn't uninstall with it. I uninstalled the driver just now. Apparently the driver isn't very compatible with Windows 7. Let me know if there is anything else I could do about this new BSOD. Thank you for your continued support Golden!
      My Computer


  10. Posts : 19,383
    Windows 10 Pro x64 ; Xubuntu x64
       #10

    ChiariBlu said:
    I did not know of any alternatives so I downloaded DT to use temporarily and then uninstalled it but apparently the driver didn't uninstall with it. I uninstalled the driver just now. Apparently the driver isn't very compatible with Windows 7.
    That was the correct thing to do - here you can see Daemon Tools (sptd.sys driver) was causing the BSOD.
    Code:
    *******************************************************************************
    *                                                                             *
    *                        Bugcheck Analysis                                    *
    *                                                                             *
    *******************************************************************************
    
    Use !analyze -v to get detailed debugging information.
    
    BugCheck D1, {fffffa001710b800, 2, 0, fffff8800107f5d3}
    
    *** WARNING: Unable to verify timestamp for sptd.sys
    *** ERROR: Module load completed but symbols could not be loaded for sptd.sys
    Probably caused by : sptd.sys ( sptd+4b5d3 )
    
    Followup: MachineOwner
    ---------
      My Computer


 
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