My First Rig Won't Turn On

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Zeke T

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Dec 28, 2013
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10,510
I just finished building my first PC, I expected to go through a few obstacles before I actually got the computer to turn on. But after much research I still haven't been able to pinpoint the problem. The motherboard green LED light turns on when I turn on the power supply. I don't know where exactly to look now, I'm thinking maybe its something with the wiring.

Specifications:
CPU: Intel Core i7-3770K Quad-Core Processor 3.5 GHz 8 MB Cache LGA 1155
Mobo: Asus P8Z77-V DELUXE
GFX: EVGA GeForce GTX 770 Superclocked 2GB GDDR5
RAM: Corsair Vengeance 2 8b Sticks
Hard Drive: Samsung 840 EVO-Series 750GB 2.5-Inch SATA III
PSU: Corsais HX850 Power Supply — 850 Watt 80 PLUS
Case: CM Storm Enforcer - Gaming Mid Tower

All ideas and feedback appreciated!
 
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Zeke T

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Dec 28, 2013
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I'll try that, but I would have thought if it was only a problem with my graphics card then the fans would start up and my case LED's would as well.
 
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alexoiu

alexoiu

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Nov 1, 2012
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If the CPU fan is not spinning when starting the board, then try leaving only CPU and CPU fan installed, CPU fan wires connected to the CPU_fan header, both 24 and 8 pin power cables connected. Start the board by shorting the 2 pins corresponding to the power button:
http://www.youtube.com/watch?v=9oQKOmM8aEE check min2.00
Make sure that the small CMOS jumper is in place and start the board.
See if the CPU fan is spinning.
 
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Zeke T

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Dec 28, 2013
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I uninstalled all componants from the board except the CPU and it's fan like you said, I tried shorting the 2 pins but nothing happened. I'm at a loss here, also whats a CMOS jumper?
 
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Zeke T

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Dec 28, 2013
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So I tested the PSU! Unfortunatley I found that the psu fan spins on for about 2 seconds and then stops. Does this mean that my PSU is the problem? Why was it that it could supply enough power to my motherboard for the green LED?
 
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Zeke T

Honorable
Dec 28, 2013
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Oh okay I'll try that. But I can't seem to find a molex connector that connects to the PSU. Theres a male molex cord for the fan but the PSU didn't seem to come with a female molex to a PCIe?
 
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Zeke T

Honorable
Dec 28, 2013
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Okay so the power supply is working fine. I tested it with 2 fans and it works like a charm. But when I plug the 24 pin into the motherboard and hook everything up, nothing happens when I press the power button. I think the problem is the mobo. The only thing that confuses me is the little green LED on the mobo that lights up.
 
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