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  1. #1
    New ROGer Array
    Join Date
    Dec 2018

    Computer won't turn on, motherboard doesn't respond

    After 2 years of working without a flawless, my PC won't turn on anymore.
    MB - Prime Z270-A MB, CPU - Intel Core™ i7-7700K, 4.20Ghz, Corsair Vengeance RGB LED 16GB(2X8GB) DDR4, 3466MHz and PSU - Corsair TX750M, SSD Samsung 850 EVO 250GB and no graphic card.
    I opened the case and all the components which have LEDs are not lit. The only one lit is the power LED on the motherboard. I have pressed the Power SW and the Memory OK on the MBO and still nothing.
    I have tested the PSU on a different PC and it's working. I have tested my PC with a different PSU and it's not working. I have switched the places and removed the memory from the slots and still nothing. I have removed all the component and left only the CPU on and still nothing. I have cleared the CMOS and nothing.
    I haven't removed yet my CPU. I am starting to believe that there is an issue with my MB or... my CPU? It's frustrating that I don't have any speaker on my MB so I could figure out what's causing the issue. Both are still under warranty and I am not sure which one is causing the problem or how to fix this?

  2. #2
    New ROGer Array RedSector73 PC Specs
    RedSector73 PC Specs
    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

    try replacing the cmos battery (there inexpensive and may fix the issue) seen them cause funny things to happen (inc. refuse to turn on), once they run low or out of power.

    try using another switch (ie reset switch in the on/off position) instead of the case normal on/off, a dodgy switch is always possible as well.
    Last edited by RedSector73; Yesterday at 09:27 AM.

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