Computer Not Booting, PSU clicks

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Monty8937

Commendable
Aug 8, 2016
21
1
1,510
Hey guys, i'm a first time builder and have been running into loads of problems, first time I tried booting nothing happened as if my PSU wasn't even connected, so i've ordered a new PSU and have installed it but now when I try powering on my computer I plug it in and click the case power button and the PSU just makes a click noise, if I try pressing the case power button again nothing happens unless I turn the PSU on and off again, then it will once again click one time, there is definitely enough wattage to power the system, i've plugged it into the wall socket and not an adapter, i'm getting really worried that I wont be able to get this PC to work, please help!
 
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750w psu and no GPU, hope you plan on getting one in the future because the 100w draw of your system will be highly inefficient for the PSU, thus you will literally use more electricity then you would with a 450w unit.


For the sake of proper troubleshooting order, go ahead and test your new PSU to make sure that it is good.
Use the wiring diagram bellow to figure out which one is pin 16 (the "green" wire).
[img=300]http://cdn.overclock.net/d/d6/350x700px-LL-d6444a74_8810320200_1381076452.jpeg[/img]
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Very unlikely that 2 EVGA G2s would fail.

Have you double checked your PSU connections: that the 24pin connector is in good, made sure that you have the CPU 8 pin in the CPU slot (and not the PCIEin the CPU slot), and that your PCIE connections are plugged into your GPU?

You installed your motherboards and standoffs and so it is not touching and grounding to the case correct?

If all these things are correct then disconnect the PSU from everything, and take a paperclip and jumper from the green wire (pin 16)in the 24pin harness to any black wire and see if the PSU turns on.
 
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Firstly, the first PSU was a CX750M and I know have an EVGA G2, everything is plugged in correctly, I have triple checked, I dont have a GPU, and the motherboard isnt touching the back of the case, I haven't done the green/black wire test as all the wires are black, however I dont think this would be the problem twioce that the PSU totally doesnt work.

 
Upvote 0 Downvote
750w psu and no GPU, hope you plan on getting one in the future because the 100w draw of your system will be highly inefficient for the PSU, thus you will literally use more electricity then you would with a 450w unit.


For the sake of proper troubleshooting order, go ahead and test your new PSU to make sure that it is good.
Use the wiring diagram bellow to figure out which one is pin 16 (the "green" wire).
[img=300]http://cdn.overclock.net/d/d6/350x700px-LL-d6444a74_8810320200_1381076452.jpeg[/img]
 
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