PSU not enough, or am I just doing it wrong?

xeloth12 · Feb 25, 2014

I've put my pc together completely, but when I try and turn it on, nothing happens. When I plug in the (24?) prong connector it turns on briefly then powers off, but I don't know what's wrong.
Specs: Corsair CX430W PSU, ASrock FM2A75 4+ Mobo, Gigabyte R7 260x GPU. I don't know i the other things play a role in the power, but if they do just let me know and I'll give them to ya. This is my first time trying to build a computer.

veladem · Feb 25, 2014

Make sure you have both motherboard power connections plugged in, the longer one that you mentioned, and the shorter one usually near the CPU.

Also, build it outside the case first on a cardboard box or wooden surface with no random metal in the way.

Always clear your hands of static by wearing a PC builder wrist band, or regularly touching the outside of the case to transfer your charge.

Post some pictures also! Pictures are worth many words.

xeloth12 · Feb 25, 2014

Ok gonna take some pictures now then take the mobo and gpu out to see if everything is working correctly.

veladem · Feb 25, 2014

Yes, the method I mentioned above, breadboarding, is very good for limiting to a specific.

xeloth12 · Feb 25, 2014

https://imageshack.com/i/5nwz2dj All I have connected to the mobo is the RAM, I have the CPU prongs in the socket just north of the processor, and the 24 prong thing connected, but it's still the same thing.

veladem · Feb 25, 2014

It looks right, put it on cardboard or wood, no metal nearby.

Re seat everything.

Make sure RAM sticks are in the designated main DIMMs.

Connect your video cable, I suggest DVI on first boots, but, HDMI will work most times also, connect to display.

Make sure all the power management cables and front I/O's USB 3's and such are placed correctly for power and rest buttons to work.

Karadjgne · Feb 25, 2014

That is an Asrock FM2-A75Pro4 mobo. In the lower right hand corner is an LED, its called Dr.Debug. Is that showing a number code?

xeloth12 · Feb 25, 2014

Even after I tried breadboxing it, the fan will cpu fan will only come on for about 2 seconds then shut off. I didn't see a dr debug thing anywhere, the only code on the bottom left hand corner is BC5FF4E630C3.

veladem · Feb 25, 2014

Hmmm, what method are you using to turn the board on?

xeloth12 · Feb 25, 2014

At the moment, I'm just connecting the psu to the mobo. It turns on the fan for about half a second, then turns off. Should I put everything back together again?

Karadjgne · Feb 25, 2014

hmm mebe I was thinking of last years model, great board that. I assume you have the cpu fan connected to the correct CPU_FAN header, and the system speaker as well?

xeloth12 · Feb 25, 2014

It's connected to the CPU_Fan1 port. There's a PWR_Fan port as well and CHA_Fan1. The CPU fan is the fan on top of the processor, correct?

Karadjgne · Feb 25, 2014

yes. is the speaker hooked up?

veladem · Feb 25, 2014

Correct me if I'm wrong but you still need a power button to send the on signal to the MoBo.

xeloth12 · Feb 25, 2014

Yes. I'm going to look over the plugs again. Trying to figure out which one of these is the power button cable. Would it be PWR LED or PWR SW?

veladem · Feb 25, 2014

Power SW + & - or just power sw.

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PSU not enough, or am I just doing it wrong?

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