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  1. #1
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    Nov 2013
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    Wont power on at all

    I have put together mostly new parts on a Asus WS x299 Sage motherbaard. It went quite easy, as usual. I powered it up, and installed windows. All fans were running, and seemed to be perfect. It just shut down, no warning.

    WHen I try to start up, the power and reset light dim, then come back on. No other sounds or activity. No Q-code, nothing. If i hold the power button thats on the motherboard, i do hear a click in the power supply every 5 seconds or so, but nothing more. Power and Resest remain illuminated.

    Any ideas? My instinct tells me the power supply is in someway failed. It is a Corasair AX1200i. I got it new on ebay, open box. Seller was a bit of a jerk, but an established seller.

    Any ideas?

  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 @3800 15-15-15-30 CR1 or @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

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    Quote Originally Posted by martinav View Post
    WHen I try to start up, the power and reset light dim, then come back on. No other sounds or activity. No Q-code, nothing. If i hold the power button thats on the motherboard, i do hear a click in the power supply every 5 seconds or so, but nothing more. Power and Resest remain illuminated.

    Any ideas?
    Off top of my head.

    It sounds like dead short. If you remove the power cord from the PSU, wait minute or two, plug back in and it starts - great but you have random dead short (not great). If it starts and the fans runs briefly / shutdown (you still have dead short - start looking)

    If this is a dead short than power cables touching something, bracket (such as cpu one backwards can do it or screws done up too tightly), motherboard stand off screw pin or screw in wrong spot. (are some common mistakes - been building computers 25 years and done some of these, don't beat yourself up)

    if this does not help. post back and give some more ideas.
    Last edited by RedSector73; 12-09-2019 at 12:06 PM.

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