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First computer build, possible power supply Dead on Arrival? help

I just finished a computer build, but the power supply seems to have been dead on arrival, but I am not positive.
It has double the wattage needed for the build (Corsair CX430), and all the wiring has been double checked by myself and 2 others. Attempting to turn it on, the power supply fan pulses slightly, along with any LEDs (like the mouse LED) attached to the computer, but that is it. it will not turn on.
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More about computer build power supply dead arrival
  1. Try testing the PSU: https://www.youtube.com/watch?v=5FWXgQSokF4
    See if a fan connected to it does spin.
  2. alexoiu said:
    Try testing the PSU: https://www.youtube.com/watch?v=5FWXgQSokF4
    See if a fan connected to it does spin.



    Okay, so that did work. both fans are spinning.
    How do I proceed from here?

    Could it be the power button on the case?
  3. What's the rest of your hardware? Mobo, CPU, GPU, DRAM?
  4. Best answer
    Try taking the board outside the case, for ruling out a short. Connect both 24 and 8 pin power cables to it. Make sure that they are properly connected. Start the board and see if still no go.
  5. Tradesman1 said:
    What's the rest of your hardware? Mobo, CPU, GPU, DRAM?


    http://pcpartpicker.com/user/cryogenix/saved/wNs323

    AMD A10-7850K 3.7GHz Quad-Core Processor
    MSI A78M-E35 Micro ATX FM2+ Motherboard
    G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory
    MSI GeForce GTX 750 1GB Video Card
  6. Try it outside of the case as suggested, might be under powered, with a 750 you would want a good 400, the CX is a poor PSU (weak caps) and the 430 only has about 380 watts on the 12 volt rail
  7. alexoiu said:
    Try taking the board outside the case, for ruling out a short. Connect both 24 and 8 pin power cables to it. Make sure that they are properly connected. Start the board and see if still no go.


    It is a short, took it out and isolated the Mobo on cardboard, it fired right up, I also believe I found what it was.

    I had someone else helping me when I installed the Mobo, and the isolating rubber stops weren't on the screws. I didn't even give it a second thought that it might have been those.
  8. Probably - glad all is well ;)
  9. Tradesman1 said:
    Probably - glad all is well ;)


    Hahaha yeah... First time actually building for me, so... rookie mistake I guess, at least it didn't cost me any money. :)
  10. That's alwatys a good thing ;)
  11. Tradesman1 said:
    That's alwatys a good thing ;)



    Just got it bolted in, and everything is functioning now and happy!
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