I just installed an AX760 PSU, and my computer won't turn on.

[Erkhm]

The LED on my motherboard lights up, and the light on my case panel lights up, but nothing else happens. The PSU I'm using (Corsair AX760) has a sticker on it saying that it is in silent operation, where none of the fans turn on in order to "moderate loads." This is my first time using a modular power supply, but I think I have everything plugged in:
My PCIe 8 pin and 6 pin cables
SATA power cable
24 pin cable
4+4 CPU cable
All the wires on the side panel (power switch, power led, etc.) but I may have done something wrong here.
My specs are:
i5 4670K@3.4Ghz
Asus Z87I-Deluxe Mini-ITX Motherboard
MSI GTX 760 TF
8Gb Adata XPG v1 RAM
1Tb WD Blue HDD
Samsung 850 EVO 250Gb SSD
Corsair AX760 (obviously)
and I'm using a Bitfenix prodigy Mini-itx case.

 

[jeremyp79]

Sounds like something isnt connected right. try removing the plugs and reseating them, sometimes the cpu power cable can be plugged in backwards. Make sure its connected properly.

 

[jeremyp79]

If that doesnt work, connect everything but the front panel plugs and use a screwdriver to jump the 2 power pins(the pins that the power plug from the front panel connect to) together. It could be possible you got a bad power supply, but being a high quality unit like the ax760 I doubt it. What is the motherboard you are using?
I guess another thing to ask, why exactly are you replacing the power supply ?

 

[littleleo]

Sounds like something isnt connected right. try removing the plugs and reseating them, sometimes the cpu power cable can be plugged in backwards. Make sure its connected properly.

I agree I'd undo the 24 pin and 8pin motherboard connectors and reconnect them firmly. Support the motherboard so you don't damage it.

 

[Erkhm]

If that doesnt work, connect everything but the front panel plugs and use a screwdriver to jump the 2 power pins(the pins that the power plug from the front panel connect to) together. It could be possible you got a bad power supply, but being a high quality unit like the ax760 I doubt it. What is the motherboard you are using?
I guess another thing to ask, why exactly are you replacing the power supply ?

I'm using the asus z87i-deluxe mini itx mobo, and I'm replacing it because the old power supply I had was a CX500, and I've heard it's a bad power supply for higher-end builds, which might be a problem for future upgrades. I will try both of those.