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PSU passes paper clip test but when plugged into motherboard fan first spin

So I have a rosewill 450 arm passes the paper clip test but when plugged into TWO motherboard it has bad coil whine is it the psu or mobo?
Reply to BlueAngelOP
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More about psu passes paper clip test plugged motherboard fan spin
  1. Best answer
    paperclip test* is mostly useless, it can only determine that the power supply can power itself with no load. it cannot test that the PSU can support an electrical load.

    if the whine happens on two differing motherboards it cannot be the motherboards. elimination leaves the PSU.

    *paperclip test is like a mirror under the nose of a sleeping person. breathing or no that is all you learn. not how healthy, spy or vigorous. the PSU is breathing, but the spinning fans told you that.

    how old is the ARC? if nearing 3 years I suggest replacement .
    if under 3 years you can send it back for repair but you will have to pay for the labor costs for repair, parts are covered.
    Reply to R_1
  2. Paperclip test is useless.
    It like turning the key in your car, and the dash lights up. Says nothing about the engine and transmission.

    Bad coil whine from that PSU means you need a new PSU.
    Reply to USAFRet
  3. It’s only when the power supply is plugged into the mobo the 24pin to be exact
    Reply to BlueAngelOP
  4. it is literally screaming under the load.
    sounds like time for a new unit.
    https://pcpartpicker.com/product/Q7L7YJ/corsair-cx-2017-450w-80-bronze-certified-atx-power-supply-cp-9020120-na
    Reply to R_1
  5. The psu won’t even spin the fan when hooked up to the mobo
    Reply to BlueAngelOP
  6. BlueAngelOP said:
    The psu won’t even spin the fan when hooked up to the mobo


    Stop playing with that thing, before it actually dies and kills something else while doing it.
    Reply to USAFRet
  7. Alright I’m going to go buy some more ram and psu tomorrow a a pc store near me
    Reply to BlueAngelOP
  8. BlueAngelOP said:
    Alright I’m going to go buy some more ram and psu tomorrow a a pc store near me


    which store? what budget? get a quality unit.
    the one I linked above is starting point.
    Reply to R_1
  9. Does anyone know a good pc/electronic store in gatlinburg/pigeon forge tn
    Reply to BlueAngelOP
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