Why is my first build comp keep shutting off?

I have a problem with my build. I put everything in right (ex. standoffs, power cables) and nothing seems to turn on. Not my fans or anything, except for my radeon hd 7870 fans spinning for a second and that too shutting down. Is this a mobo problem or psu problem.

Please don't say "Did you press the power button?", as I have seen that on every forum and double-checked to see whether I did it. Also, my copper pins on my hyper 212 evo were crushed for some reason when i put in my side plate fan, and I replaced it with the intel stock cooler. Might this be a reason if I turned on the comp with the hyper 212 evo with the crushed copper pins?
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  1. These steps man:

    1) Tell me what your parts are, (all of them)

    2) I had a problem with two cases where the psu got shorted out constantly. The fans would turn on for a quick second and die. Take everything out and put it back together outside the case.
  2. CPU Intel Core i7-3770K 3.5GHz Quad-Core $315.99
    CPU Cooler Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing $29.98
    Motherboard ASRock Z77 Pro3 ATX LGA1155 $94.99
    Memory Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 $59.97
    Storage Western Digital Caviar Blue 1TB 3.5" 7200RPM $69.98
    Video Card Sapphire Radeon HD 7870 GHz Edition 2GB $224.99
    Case Rosewill BlackHawk ATX Mid Tower $85.65
    Power Supply Corsair 600W ATX12V $59.99
    Optical Drive Samsung SH-224BB DVD/CD Writer $16.98

    But now the hyper 212 evo copper pins got crushed, so I am using Intel stock cpu cooler, by the way thanks for your assistance
  3. It could be a cooling issue as well. When I first built my own computer I forgot to plug in my CPU fan. Everything turned on and off, it might be a cooling issue. But you are using your stock cooler. Reply back once you've done "2".
  4. put everything back out meaning like the graphics card and ram?
  5. I mean unplug everything, take out everything out of the case, including the motherboard. Empty case, nothing in it. Then put it back together, outside of the case. All the parts, put them together outside the case. We need to see if the case is an issue.

    If everything works fine then it's the case. If it still turns off then take off a ram stick at a time and text each part to see what the issue is.
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