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New build won't turn on, just graphics card

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I just built a computer, and it will NOT turn on. Nothing responds when I turn it on, except the graphics cards fans start up, but that's it.
Is it my motherboard? How come the graphics card fans is the only thing that works?
My parts:
Case: COOLER MASTER HAF 932 Advanced RC-932-KKN5-GP Black Steel ATX Full Tower Compucase Case
CPU: Intel Core i5-2500K Sandy Bridge 3.3GHz (3.7GHz Turbo Boost) 4 x 256KB L2 Cache 6MB L3 Cache LGA 1155 95W Quad-Core Desktop Processor BX80623I52500K
RAM: CORSAIR Vengeance 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model CMZ8GX3M2A1600C9
MOBO: ASRock P67 EXTREME4 (B3) LGA 1155 Intel P67 SATA 6Gb/s USB 3.0 ATX Intel Motherboard
GPU: MSI N580GTX Twin Frozr II/OC GeForce GTX 580 (Fermi) 1536MB 384-bit GDDR5 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card
PSU: CORSAIR Enthusiast Series CMPSU-850TX 850W ATX12V v2.2 / EPS12V v2.91 SLI Certified CrossFire Ready 80 PLUS Certified Active PFC Power Supply

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UPDATE:
CPU fan runs now. I dont know if anything else is working, though.
I hooked it up just CPU and GPU on the MOBO and connected it to the moniter, with the little speaker thing.
No beep, and no signal to the moniter, but the CPU fan and GPU fans are running...
Any ideas?

Just beacuse the GPU fan is spinning or the MOBO doesn't mean either of them could be fried it has happened to my 4850.... The fan runs no display oh and is the video card touching any heatsink that is what killed my 4850....
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Thanks for the link. I already did about all of those, except the power supply checks, but I don't have a proven power supply to test with.
Considering I didn't get any beeps from the motherboard, I'm guessing that's it. I already did RMA for it and am going to ship it tomorrow.
And like Addison said, if same issue, I guess I'll have to return the power supply.

Well, as I posted earlier in the thread, the cpu fan and gpu fans start moving. But monitor detects nothing, and no beeps from the MOBO, I had the little speaker connected to it, too.
Homebuilt system Master
Graphics card Expert

timk617 said:
I just built a computer, and it will NOT turn on. Nothing responds when I turn it on, except the graphics cards fans start up, but that's it.
Is it my motherboard? How come the graphics card fans is the only thing that works?
My parts:
Case: COOLER MASTER HAF 932 Advanced RC-932-KKN5-GP Black Steel ATX Full Tower Compucase Case
CPU: Intel Core i5-2500K Sandy Bridge 3.3GHz (3.7GHz Turbo Boost) 4 x 256KB L2 Cache 6MB L3 Cache LGA 1155 95W Quad-Core Desktop Processor BX80623I52500K
RAM: CORSAIR Vengeance 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model CMZ8GX3M2A1600C9
MOBO: ASRock P67 EXTREME4 (B3) LGA 1155 Intel P67 SATA 6Gb/s USB 3.0 ATX Intel Motherboard
GPU: MSI N580GTX Twin Frozr II/OC GeForce GTX 580 (Fermi) 1536MB 384-bit GDDR5 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card
PSU: CORSAIR Enthusiast Series CMPSU-850TX 850W ATX12V v2.2 / EPS12V v2.91 SLI Certified CrossFire Ready 80 PLUS Certified Active PFC Power Supply



I had the same problem with my system. I tried everything you could think of - installing different fans, nothing. Trying a different video card - nothing. What I found was a defect in my original video card that the bottom DVI port was defective, so I removed the primary monitor and just defaulted to using the secondary monitor, and that worked perfectly fine. I e-mailed EVGA about it and I think they're gonna send me a replacement video card as a result.

If you tried a different video card, and you're original card was defective, shouldn't it have worked?
Also, I tried both the DVI and the HDMI.
I'm pretty sure it's not the GPU though since no beeps came out from the speaker.
I should be getting the replacement mobo soon, so hopefully that was the issue, and everything will go smoothly from here on!

Great news! New mobo came in, and everything runs great!!!
Haven't overclocked the cpu yet, but Intel Burn Test on Very High, temps stay just below 60C and idle is just short of 35C!
Thanks for all the help!
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