Random crashes and blue screens - memory?

Discussion in 'Memory and Storage' started by Kknight78, Nov 3, 2012.

  1. Kknight78

    Kknight78 Junior Member

    Nov 3, 2012
    Likes Received:
    I've just built a brand new computer as follows:

    Seasonic 650W Platinum power supply
    Asus P8Z77-V Motherboard
    Intel i7-3770K
    Crucial Ballistix Sport DDR3-1600: 4x8GB
    2x Intel 520 240GB
    Gigabyte GeForce GTX 660
    Windows 8 Pro

    I'm not overclocking anything. CPU is running at stock (only "OC" feature turned on is Asus Multi-Core enhancement). Memory is running at 1.53V (bumped up from 1.5V to try to fix the problems) and 9-9-9-24-2T, which is what it is rated for. Fresh install of Windows 8 Pro. I've tried builtin drivers as well as the latest ones from Asus.

    In the last 1/2 a day, I've had the following crashes/blue screens:

    iexplore.exe APPCRASH with 0xc0000005
    waterfox.exe APPCRASH with 0xc0000005
    mmc.exe APPCRASH with 0xc0000005
    explorer.exe APPCRASH with 0xc0000005
    tiworker.exe APPCRASH with 0xc0000374
    EDIT: And now I just got a PAGE_FAULT_IN_NONPAGED_AREA BSOD when shutting down to reboot with memtest.

    The random nature of the problems makes me lean toward memory issues, but I've run HCI memtest, Windows memory diagnostics, and Prime95 with no issues. I'm just getting ready to run memtest86 for a while. Any other ideas?
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  3. Dave3000

    Dave3000 Senior member

    Jan 10, 2011
    Likes Received:
    Disable Multi-core Enhancement. You are still overclocking the CPU with Multi-core Enhancement because the cores in your CPU are running at the highest turbo speed but it is not within spec to be running all the cores at the single core turbo speed. I have an Asus P9X79 Pro motherboard and Mult-core Enhancement is turned on by default if XMP is enabled even though there is no Multi-core Enhancement setting in the BIOS but I know it's turned on by default if set to XMP because it says that all cores turbo to the single core speed of my CPU. Change the core turbo speeds to "per core" and set them to Auto, and that way all the cores should be running at their spec'd turbo speeds. Also running memtest 86+ is a good idea which you say you will be running.