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SuperNOVA 1200 P2 80+ seems to be dead on arrival

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CaptainEven
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2017/12/23 16:43:54 (permalink)
Hey guys, I just got the EVGA SuperNOVA 1200 P2 80+ PLATINUM to power the ASUS B250 motherboard. My problem is the PSU seems to be dead. I plugged it into numerous wall sockets and even used a second power cable but it does nothing. Dead as a doornail. I turned EcoMode off and flipped the switch yet nothing happens. The PSU does turn on while I have the MB connector cap on. Any ideas? I was hoping to get this powered up tonight.
post edited by CaptainEven - 2017/12/23 16:59:34
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    Cool GTX
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    Re: SuperNOVA 1200 P2 80+ seems to be dead on arrival 2017/12/23 17:31:23 (permalink)
     
    Welcome to the Forums
     
    The fact that the "test jumper" powers the PSU On --> would suggest the PSU is fine
     
    https://www.asus.com/us/Motherboards/B250-MINING-EXPERT/
     
    Your using the "A" 24pin closest to the CPU ?
     
    Confirm the power and reset wires are connected correctly on MB, no shorts where metal is touching the backside of MB
     
    Confirm all connections, especially EPS/EATX (CPU) power, sometimes connections get tight but are not fully seated
     
    Place MB on non-conductive surface -- like the box it came in -- test your MB

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    bob16314
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    Re: SuperNOVA 1200 P2 80+ seems to be dead on arrival 2017/12/24 10:36:57 (permalink)
    Double-check all connections on the PSU and motherboard..And as far as the PSU goes and in addition to what Cool GTX said, it could be a bad modular cable..That's happened before too and then people have paid for RMA shipping the PSU to EVGA only for them to find out it's okay and send it back to you and then you're back to square one..When you RMA you don't send the cables and then of course they don't get checked.
     
    You can turn on the PSU with the doodad that EVGA gives you or jump the PS_ON (terminal 16) to any ground (COM/GND) with a paper clip or wire and check the pinout voltages of the 24-pin ATX connector and the 8-pin (4+4) CPU connector with a voltmeter on the 20V DC scale..Simple to do..You can buy an el cheapo voltmeter that'll do fine at Walmart and such places or any auto parts store for about 10 bones or so if you need one.

    Checking the pinout voltages or having them checked for you will tell you if a cable is bad and can save you shipping costs, downtime and aggrevation if that's the problem.

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    topdoggraphics
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    Re: SuperNOVA 1200 P2 80+ seems to be dead on arrival 2019/01/12 05:30:52 (permalink)
    I had exactly the same problem, worked with the tester but no power at all when installed into machine (as a replacement) - hence finding this thread.
     
    In the interests of helping others... I thought I'd post the solution that worked for me. I spoke with very helpful EVGA tech support who pointed out only to use the exact cables that came with the power supply. I swapped all the power cables in the computer with the new ones that came with the platinum 1200 PSU and worked straight off the bat.

    EVGA said that all the cables are specific to each power supply even from their range so it's important not to use those from a different one.

    Fab support - many thanks evga!
    post edited by topdoggraphics - 2019/01/12 05:34:18
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    bcavnaugh
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    Re: SuperNOVA 1200 P2 80+ seems to be dead on arrival 2019/01/12 11:27:16 (permalink)
    Welcome to the Forum.
    Never Mind, I see that this thread is over a year old.
    post edited by bcavnaugh - 2019/01/12 12:00:48

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    topdoggraphics
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    Re: SuperNOVA 1200 P2 80+ seems to be dead on arrival 2019/01/12 11:39:24 (permalink)
    It is a year old but I commented today.
     
    Yes I used ONLY the cables supplied - I swapped out the Motherboard, CPU, SATA, VGA cables and Peripheral. It was then fine.
     
    Initially I just swapped the power supply and had no power. Once I'd swapped all the cables (abeit a bit of a pain) it switched on first time.

    Tech support said the cables are specific for each supply (I would never of guessed!).
     
    I did also accidently pull out the 'power and reset wires' whilst replacing the PSU unit which I had to plug back in to the mboard, something to watch (cheers CoolGTX for mentioning that above)
    post edited by topdoggraphics - 2019/01/12 11:44:17
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    topdoggraphics
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    Re: SuperNOVA 1200 P2 80+ seems to be dead on arrival 2019/01/12 11:41:05 (permalink)
    I wish there was a clear notice in the manual or box that stated this if doing a replacement. Would have saved a lot of time and stress lol : )
     
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    bcavnaugh
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    Re: SuperNOVA 1200 P2 80+ seems to be dead on arrival 2019/01/12 11:58:01 (permalink)
    topdoggraphics
    I wish there was a clear notice in the manual or box that stated this if doing a replacement. Would have saved a lot of time and stress lol : )

    If you think about it you are your own Tech Support.
    I will not say that it is a commonsense this but you will learn this over time.
    Or the first time you fry a motherboard or SATA Drive or some other Device in your computer.

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    Cool GTX
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    Re: SuperNOVA 1200 P2 80+ seems to be dead on arrival 2019/01/12 12:08:39 (permalink)
    topdoggraphics
    I wish there was a clear notice in the manual or box that stated this if doing a replacement. Would have saved a lot of time and stress lol : )
     


     
    Manual 1200W P2 PSU

    https://forums.evga.com/FindPost/2636297
     
    Page 4 - See Warning #2
     

     
     

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    bcavnaugh
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    Re: SuperNOVA 1200 P2 80+ seems to be dead on arrival 2019/01/12 12:45:38 (permalink)
    Must be Color Blind

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