My pc will not fully boot, keeps restarting

Hi everyone, a few days ago i put my PC into sleep mode and when i went to turn it back on a few hours later; it started to to boot and 3 seconds later it made a sort of, violent, noise and shut off. It would continue to turn on for 3 seconds shut down, and repeat that. I think it is either my Motherboard or Power Supply. Ill put my specs below. Any help is very greatly appeciated!

Case: Antec DF-35 Mid Tower
Hard Drive: Caviar Black 1TB
MotherBoard: Gigabyte GA-Z68X-UD3H-B3
Power Supply: Corsair HX750W 750 Watt Modular PSU
Video Card: EVGA GTX 570 1280MB GDDR5
RAM: Kingston Hyper X 8GB 1600MHz
DVD Drive: LG 24x
Cooler: Noctua NH-C14

Other Notes: I did use the Gigabyte Smartboost to OC to 4.1GHz, i dont know if that really means much.
4 answers Last reply
More about fully boot restarting
  1. Can you get into the setup mode of your motherboard?

    If that happens, the problem might be your HDD instead.
  2. no, the pc will not startup in general :(
  3. Well, you can find the instructions to try to reset your motherboard to the defaults, just in case it is some configuration issue with the OC. You may also wish to try unplugging as much as possible from the system if it's a power issue, or some other component breaking. If you have some other RAM to switch out you can test with that instead.
  4. i have unplugged everything from my PSU and im pretty positive it is the problem. Im going to take it back to tiger direct to see if i can replace it or test it there
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