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  1. #1
    ROG Member Array
    Join Date
    Aug 2016
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    Is this Normal Fan Behavior at Boot ?

    Motherboard asus prime x470 pro cpu: r5 3600 ram: gskill ripjaws 16gb at 3200

    the fans (only the rear exhaust and the cpu) turns on for a second and then stops ..then turns on again and the pc starts normally...

    https://drive.google.com/file/d/11KJ...w?usp=drivesdk

    My old z170 with 6600k didnt have this behavior...

    thanks

  2. #2
    New ROGer Array RedSector73 PC Specs
    RedSector73 PC Specs
    MotherboardROG CROSSHAIR VIII HERO (WI-FI)
    ProcessorAMD Ryzen 9 3900X 12-Core Processor
    Memory (part number)PVR416G413C9K @ 3600 14-15-14-28 CR1
    Graphics Card #1Gigabyte Aorus RTX 2080 Ti Xtreme WaterForce (GV-N208TAORUSX W-11GC)
    MonitorAsus ROG Swift PG348Q
    Storage #1ADATA SX8200PNP 1TB
    Storage #22 x Samsung SSD 840 EVO 250GB
    CPU CoolerCoolermaster Liquid Pro Master 360
    CaseEVGA DG-87 Gunmetal Grey Gaming Case
    Power SupplyEVGA SuperNOVA G2 750W Gold Power
    Keyboard Corsair K95 RGB Platinum
    Mouse Corsair Gaming Sabre RGB Gaming Mouse
    Headset ARCTIS Pro Wireless
    Mouse Pad Cooler Master MP750 RGB Cloth Gaming Mouse Pad Extra Large
    OS Windows 10 64bit Pro
    Network RouterRT-AC87U

    Join Date
    Apr 2018
    Reputation
    40
    Posts
    118

    I've never seen any asus board act like that on startup. It does not seem normal to me but I don't own the board you have shown and maybe that is normal for it.

  3. #3
    New ROGer Array
    Join Date
    Jul 2019
    Reputation
    10
    Posts
    12

    Most if not all of the newer boards start up for a second then boot normally. I think it’s testing ram or something.
    It only does this if you flick the PSU switch or it loses power.
    A normal cold boot should not have this issue

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