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New build doesnt power up

Last response: in Systems
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Wusup guys, well i just built a new rig with:
- i7 3770k
- 8GB RAM Corsair Vengeance
- Gigabyte ud5h motherboard
- 2x 120 gb SSD
- MSI R7850 oc
- Antec trupower neo 750 W (other rig)

Everything is correctly plugged in, the standby LED on the motherboard is on (orange color) and when i power it, i only see a slight move of one fan which last like a half second. I tried booting by switching Ram sticks to others slots, tried booting without video card, opened Cpu slot and replaced it . So i come to two main suspects:
- PSU
- motherboard

But well i didnt notice any fried fuses on it. Could it be Powersupply fault?

More about : build doesnt power

I would check the 8 pin by the CPU, I had one one time that was 2 4pin and the had to be in a certain order, maybe the case, or try with just one stick of ram.
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Best solution

Go to your local electronics store with a good return policy (Best Buy, for example) that sells PSUs. Test that, if it works then you know what your problem is. Return the store-bought PSU, get your refund and RMA the one you just used in your new build.
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