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Thread: Seasonic Prime px850 - failed out of box?

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    Default Seasonic Prime px850 - failed out of box?

    Hello i write down my story with details:
    i just build together my brand new pc yesturday
    -z390aorus master
    -i9 9900k
    - 32gb g skill ripjaw 3200/16
    -1080ti strix
    -Nzxt krkaken x72
    Pc couldnt power up.

    So i started “open benching” my motherboard.
    Disassembled all the components until when it was only the motherboard and the big psu cable connected. The power button on the mb lights up but nothing happen if i press it.
    Ok.... i disassembled my old pc. Took out my old FSP hydro g 750. Hooked up to the mb power connector and bumm it powered up immediately.
    I was stunned. And i also dont understand. Its seem like the seasonic psu will not work, but it does kind of give some power to the mb / gpu because some of the power leds especially on the gpu was on and also the power on button led on the mb.
    Now i went to seasonic videos and they suggest i should paperclip the psu and dwactivate the fanless mode with hybrid button.
    I did it and the fan can not spin.
    I think the unit is failed out of box.
    Other issue is i read some people have compatibility issues with seasonic prime psus and aorus motherbords.... but im unsure. 2 options for me:
    - i can rma the psu and get another seasonic unit( same unit)
    - or i can go into my retailer shop and flip the table loudly telling about some local laws ( where i can bring any product back in 3 work days) and get my money or chose another psu) i have 1 work day left for that.

    So the question is:
    Is the px 850 failed out of box
    Or is it a compatibility issue with my aorus master board.
    Please help me decide.
    P.s lucky me my fsp hydro g750 serves well in the new pc... so i can use it, just fear to overclock.

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    If it were compatibility issue then PSU should've started with paperclip test, since it didn't then it's dead, replace it. No need for table flipping, it's extremely unlikely that you'll be so unlucky to receive two failed units in a row.

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    I see but there were some ppl on gigabyte forums who also had issues with the prime lineup with aorus boards... now it can be of course coincidence.
    Overall then there is no such known compatibility issue ?

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    Quote Originally Posted by AfpsM41 View Post
    I see but there were some ppl on gigabyte forums who also had issues with the prime lineup with aorus boards... now it can be of course coincidence.
    Overall then there is no such known compatibility issue ?
    I'm not aware of that, perhaps you can share the link ?

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    I dont have a link to be honest. Maybe it was on aorus discord where someone said it. Anyway, if it would be “known issue” probs plenty people would be aware here too.
    Hopefully my replacement unit will be on. I want to overclock my cpu already... but not even sure how much time it take until i get the Refund unit :/

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    Do remember that when you are stripping down a system to the minimum, leave the pin connected that powers the CPU. It is usually a 4x2 socket at an upper-left position on Gigabyte boards.
    Core i7 4770K @4.3GHz + iGPU | GA-Z87X-UD4H | 2x8GB Crucial Ballistix DDR3@1600MHz
    Prolimatech Armageddon heatsink w/ 2 x 140mm NF-A14 PWM fans
    Samsung 840 Pro 512GB SSD | WD Black 4TB file disk | WD Red 3TB backup disk
    Fractal Design Define R5 case w/2 x NF-A14 ULN front fans | no exhaust fan; grill removed
    PSU Seasonic X-650 Gold

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    Why exactly ? You can still power up the mb , u just get errors on it i guess

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    Quote Originally Posted by AfpsM41 View Post
    Why exactly ? You can still power up the mb , u just get errors on it i guess
    I don't think you fully power up the mb.
    Core i7 4770K @4.3GHz + iGPU | GA-Z87X-UD4H | 2x8GB Crucial Ballistix DDR3@1600MHz
    Prolimatech Armageddon heatsink w/ 2 x 140mm NF-A14 PWM fans
    Samsung 840 Pro 512GB SSD | WD Black 4TB file disk | WD Red 3TB backup disk
    Fractal Design Define R5 case w/2 x NF-A14 ULN front fans | no exhaust fan; grill removed
    PSU Seasonic X-650 Gold

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    My mb did nothing with the seasonic psu. Not even a single led. Idk what was up with it. Anyw im returning it for rma in the morning then if i get a new one i will see if that works, if still not i forget seasonic for a lifetime.

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