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  1. #1
    ROG Enthusiast Array
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    ASUS - ROG Crosshair VIII Hero (Socket AM4) USB-C Gen2 AMD MB won't start

    New install...

    AMD - Ryzen 9 3900X 3rd Generation 12-core - 24-Thread - 3.8 GHz (4.6 GHz Max Boost) Socket AM4 Unlocked Desktop Processor
    ASUS - ROG Crosshair VIII Hero (Socket AM4) USB-C Gen2 AMD Motherboard with LED Lighting

    Holding down start button; cpu fan starts to spin; q code gets get up to 27 and then everything stops, shuts down.

  2. #2
    Administrator Array Silent Scone@ROG's Avatar
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    Mar 2016
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    Hello, Q-Code 27 is reserved for CPU Post-Memory Initialization.

    Remove the CPU and memory modules and reseat whilst checking for even mounting pressure.

  3. #3
    ROG Enthusiast Array
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    Now q code goes to 15 and then cc and c8 and everything shuts down.

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