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  1. #1
    New ROGer Array saudarkar5403 PC Specs
    saudarkar5403 PC Specs
    MotherboardASUS Crosshair viii Hero Wifi
    ProcessorAMD 3900X
    Memory (part number)G.Skill Trident Z Neo 16x2 GB DDR-3600 CL 16-19-19-39 1.35V F4-3600C16D-32GTZNC
    Graphics Card #1XFX Radeon RX-580P8D 8GB Black Edition
    MonitorDell U3011
    Storage #1Samsung 970 EVO Plus M2 2TB
    Storage #2Intel SSD M2 2TB
    CPU CoolerBe Quiet Dark Rock Pro 4
    CaseMountain mods U2-UFO
    Power SupplyCORSAIR HX Series HX850 850W ATX12V 2.3 / EPS12V 2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certifi
    Keyboard Logitech G510
    Mouse Logitech MX Master
    OS Win 10 Pro

    Join Date
    Sep 2019

    Crosshair viii hero wont post. Black screen no Bios

    I put together my crosshair 8 hero and my Ryzen 3900x. With 1 stick of RAM on A2. With mr RX580 video card and everything light up. I get 1 beep. A Q Code of 86 and a Steady greeen light below. My screen is dark but receiving a signal.

    1. I have reseated card. And swapped with a gtx 1060 i have.

    2. I have reseat the Ram Stick

    3. Cleaned and reseat the CPU.

    4. Reseat the 24pin and 8 pin from power supply. Power supply doesn't have dedicated 4 pin for motherboard

    5. Keyboard does not light up.

    6. Using an HDMI Cable to another display also get black screen WITH a signal.

    Any suggestions on getting it to POST will be appreciated.

    I plan to check CPU on the off chance some thermal paste is on the chip or motherboard but that is a shot in the dark

  2. #2
    New ROGer Array
    Join Date
    Oct 2019

    Had the same issues, took me 2 days to figure it out.
    Only way i got it to work was to use a HDMI on a normal tv for some reason it wouldn't work with my monitors .

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