BSOD at least twice a month - uncertain cause

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  1. zbook
    Posts : 41,462
    windows 10 professional version 1607 build 14393.969 64 bit
       New #111

    The latest memory dump was bugcheck 7A.
    Tue Aug 6 16:46:41.650 2019 (UTC - 5:00)
    The debugging displayed no misbehaving drivers.

    Multiple memory dumps without misbehaving drivers supports malfunctioning hardware.
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  3. LeoBloom
    Posts : 90
    Windows 10 Pro 64 bit v1809
    Thread Starter
       New #112

    Is there anyway to tell if it is the motherboard or the CPU that's malfunctioning?
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  4. zbook
    Posts : 41,462
    windows 10 professional version 1607 build 14393.969 64 bit
       New #113

    In post #6 philc43 identified a bit flip.
    This is seen with memory problems.

    CPU can be ruled in / ruled out by performing software tests.
    There is no software tests for Gigabyte motherboards.

    At some point when tests do not produce clear results a swap or replacement is indicated.
    For CPU you can perform a swap and reapply thermal paste.

    If you want to reevaluate CPU then perform:

    IPDT:
    Download Intel(R)
    Processor Diagnostic Tool

    Prime95:

    Choose one of the temperature monitoring software applications: Speecy, HW monitor, Speed fan:
    Speccy - Free Download - Piriform: Speccy - System Information - Free
    Download Speccy | Find your computer specs, free!
    Download Speccy | Find your computer specs, free!
    HWMONITOR | Softwares | CPUID: HWMONITOR | Softwares | CPUID
    HWMONITOR | Softwares | CPUID
    SpeedFan - Access temperature sensor in your computer: SpeedFan - Access temperature sensor in your computer
    SpeedFan - Access temperature sensor in your computer

    Run Prime95 - Stress Test Your CPU
    Prime95 - Stress Test Your CPU Windows 10 Performance Maintenance Tutorials
    Prime95 - Stress Test Your CPU
    a) Record the maximum temperature and post the maximum temperature into the thread
    b) Record test duration and post the uninterrupted test duration into the thread
    c) Aim for testing > 3 hrs and abort testing as needed for freezing, temperature changes (see link)
    d) Use the Microsoft snipping tool to post images into the thread.
    Take Screenshot in Windows 10 Windows 10 General Tips Tutorials
    Take Screenshot in Windows 10


    Keep in mind that all tests have:
    true positives
    true negatives
    false positives
    false negatives
    accuracy
    Last edited by zbook; 06 Aug 2019 at 18:22.
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  6. LeoBloom
    Posts : 90
    Windows 10 Pro 64 bit v1809
    Thread Starter
       New #114

    Thanks @zbook and @philc43

    Unfortunately, I cannot run the Prime test because my stock CPU cooler cannot handle the load -- temps jump up to 90C very quickly

    I guess I will just have to get a new motherboard (and likely new processor since they don't really sell motherboards for this processor anymore)

    Do you think that a motherboard and CPU swap should solve the problem (i.e., none of the BSODs potentially related to GPU or PSU)?

    Thank you again for all your help!
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  7. zbook
    Posts : 41,462
    windows 10 professional version 1607 build 14393.969 64 bit
       New #115

    The tests that we can perform are related to drive, GPU, CPU, RAM.
    None of the testing was able to clearly define the malfunctioning hardware.
    The options now are evaluation at a local computer store or swap/replacement of one or more components.
    The motherboard appears to be the malfunctioning hardware however there is no confirmation without swap or replacement.
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  8. LeoBloom
    Posts : 90
    Windows 10 Pro 64 bit v1809
    Thread Starter
       New #116

    Hi @zbook and @philc43

    Just wanted to report that I have replaced the MoBo, CPU, and RAM -- I have now been >3 months BSOD-free

    Guess it was a hardware issue

    Thank you for all your help
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  9. zbook
    Posts : 41,462
    windows 10 professional version 1607 build 14393.969 64 bit
       New #117

    That's great news to read that it has been sorted.
    Thank you for the follow up.

    You are welcome.
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