New Build Computer Failing

Hello guys
Here's my build:

Mobo: GIGABYTE H97-HD3 - brand new
CPU: Intel CPU Core i5 4460 - brand new
PSU: Corsair PSU CX Series 750 W 80+ Bronze CX750 - brand new
RAM: Kingston HyperX 4GB 1333Mhz - brand new
GPU: GeForce 260 GTX - NOT new.

So, as i got my staff yesterday I assembled them, and this happens.
Computer starts, beeps continuously, then turns off
Starts again, same thing. Beep-beep-beep-beep really fast then shuts down.
And again and again until i turn off the PSU.
I tried with minimum requirements, only CPU with it's fan with same result.
Tried an other - my old one - PSU but same thing happened.

Im so sad cause i've been waiting for too long to have my components, and now that i got em nothing can work.

Assist me guys

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Re: beep

The beep pattern means something. The motherboard tells what it means.


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From GIGABYTE's Bios beep module.
Continuous short beep :Power supply unit failed

But i've swapped with another PSU and same beeping happened

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If the good new PSU failed to correct

It sounds like the motherboard is next.

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your work, especially seating of CPU and cooler. Must plug in CPU power connector. GPU must be in slot closest to CPU.

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Did you

try with MB outside of case?

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The issue was that the DDRs were 1600Mhz default
I swapped them with some spares i had that were 1333 and works perfectly!
Thank you all for helping me guys

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