Newly built Pc works on test bench but doesn't work inside the case?

Prince_4

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Oct 6, 2015
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4,510
I don't know if this is the right place to post this, but yesterday I've gotten all my components for my new pc, and so i was testing it on the motherboard box as you are supposed to. Everything worked fine, everything was plugged in except the GPU. The BIOS would load and it was all working perfect. So I spend the next 4 hours installing the components inside the Tower (R5 fractal design). I try and turn it on, but it doesn't work. Motherboard lights up as soon as I hit the psu, but once I press the start button, the cpu fan spins 1 round and then turns itself off... so I decide to go to bed and have a look at the problem the next day. Today I spend around 3 hours unplugging all cables, plugging them back in, looking at youtube tutorials, youtube troubleshooting etc, but I can't figure out whats wrong. So I decide that one part must be faulty, and I take it al out. I give it one last try outside the case on the Mobo box, and it all works perfectly again and my monitor recognizes my pc again... I install it back into the tower and it doesn't work anymore.

What can I do? :p


PC specs:

CPU: Intel Core i7-4790K 4.0GHz Quad-Core Processor
Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler
Mobo: Asus MAXIMUS VII HERO ATX LGA1150 Motherboard
Ram: G.Skill Ripjaws X Series 16GB (2 x 8GB) DDR3-1866 Memory
GPU: MSI GeForce GTX 970 4GB Twin Frozr V Video Card (2-Way SLI)
Tower: R5 Fractal Design
Psu: Corsair CXM 750
 

Prince_4

Reputable
Oct 6, 2015
2
0
4,510


I feel like such an idiot. My third Computer build, and I only just now realized that you are supposed to put the mobo on top of the standoffs...lel Thank You :)