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  1. #1
    ROG Junior Member Array
    Join Date
    May 2018

    Crosshair VIII Dark Hero NVMe instability

    BIOS 3501
    AMD 5950x
    128GB DDR4
    RTX 3090
    2x NVME M2 (Samsung 980 Pro 1TB)

    My system had been running smoothly for a couple of months now. Today, when I start my system, it hangs on POST at the boot stage. After doing some basic debugging, I've found that as long as I *only* have the first M2 slot occupied, my system will post. If I connect my PCIe SSD or my second M2 SSD, the system hangs at the post screen (PRESS DEL or F2 TO ENTER UEFI BIOS) for a few minutes before it reboots and repeats.

    I also noticed that when I leave just the first M2 slot occupied, my wireless keyboard and mouse no longer work in the BIOS. They don't get activated until my system boots into Windows.

    Upon investigating the Windows Event Viewer, I'm also now seeing some hardware failure events in the System log, for my WiFi controller, specifically. Prior to today there are no such events.

    Is there any hope for help? Hardware is so difficult to come by these days. Worried I'm going to be stuck like this for a while.

  2. #2
    ROG Guru: White Belt Array Godofmosquitoes PC Specs
    Godofmosquitoes PC Specs
    Laptop (Model)Dell XPS 15 9570 8750H 4K, 16GB, 512GB
    MotherboardCrosshair VIII Dark Hero
    ProcessorAMD Ryzen 9 5950X
    Memory (part number)F4-3600C16Q-32GTZN
    Graphics Card #1MSI 3090 Gaming X Trio
    Sound CardSound BlasterX G6
    MonitorLG CX 48"
    Storage #1Samsung 980 Pro 1TB
    Storage #21xSamsung 960 Pro 1TB, 1xSamsung 860 EVO 4TB, 1xCrucial MX300 2TB, 3xSeagate Archive 8TB
    CPU CoolerNZXT X63 4xNoctua NF-A14 PWM L.N.A. 1200RPM
    CaseFractal Design Define S2 XL
    Power SupplyCorsair AX1600i
    Keyboard Corsair K70 RGB MX Silent
    Mouse Logitech G502
    Headset Sennheiser GSP 500
    Headset/Speakers Bowers & Wilkins MM-1
    OS Windows 10 Pro x64
    Network RouterASUS RT-AX88U

    Join Date
    Dec 2014

    That sounds like a hardware error on the motherboard mate. Sorry :/ Get it replaced.

  3. #3
    Derp Array
    Join Date
    Sep 2013

    Have you tried with a different NVME ?

    I'd suggest resetting your BIOS to defaults and seeing if that helps with the issue...

    I've switched over to the AMD platform after being on Intel for years and really not impressed with the amount of tinkering required to get it to run stable. USB issues, Random reboots to name a few ...

    Best of luck !

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