Sporadic BSODs, HDD and RAM OK


  1. PartyFerret
    Posts : 28
    Windows 8 Professional 64-Bit
       New #1

    Sporadic BSODs, HDD and RAM OK


    We tested the Hard Drive and RAM with mulitple tests and can't figure this one out, so maybe someone on here could give us a hand. The BSODs have changed each time they come with a different code, but they all point to a Kernel failure, but as we all know this is not the case. Driver Verifier was also run and nothing came up. Hard Drive was tested with multiple tools and all passed. RAM tested with Memtest for 11 passes and no problems found.

    Sony Vaio VPCEB4Z0E

    Windows® 7 Home Premium (64 Bit)
    Intel® Core™ i3-380M Prozessor
    (2,53 GHz)
    4GB PC3-8500 RAM
    500GB Serial-ATA Hard Drive
    ATI Mobility™ Radeon® HD 5470 with 512MB Memory




    The one BSOD referring to APC_INDEX_MISMATCH makes me wonder if the CPU hasn't kicked the bucket. This is sometimes a common BSOD that comes when overclocking and the voltage is out of control. Though there is no overclocking involved here in our case and we have tested almost everything else, I can only assume CPU. Your opinions are greatly appreciated.
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  3. Dsprague
    Posts : 1,735
    Windows 7 enterprise 64 bit, Windows 7 Pro 64 bit ,Windows 8 64bit
       New #2

    Out of curiosity what antivirus do you use?
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  4. PartyFerret
    Posts : 28
    Windows 8 Professional 64-Bit
    Thread Starter
       New #3

    AVG.
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  6. Dsprague
    Posts : 1,735
    Windows 7 enterprise 64 bit, Windows 7 Pro 64 bit ,Windows 8 64bit
       New #4

    For testing purposes please uninstall AVG with the AVG Uninstall Tool and replace it with a combination of MSE and Mbam. Tip: when installing Mbam be sure to uncheck the box offering to start a free trial. Let us know if you continue to get crashes after the switch.
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  7. PartyFerret
    Posts : 28
    Windows 8 Professional 64-Bit
    Thread Starter
       New #5

    I figured it out myself with a strip test. RAM slot 1 near the RAM door ist defective. Strip down test confirmed the problem. I tested a known good RAM in the 1 slot and no matter what it would either spit out random BSODs or sporadically not boot at all. Thanks to all who answered.
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