starts then stops

okay so this is how it all started , I was having a high percentage disk issues so I watched a youtube tutorial to fix it . in this tutorial I was told to change the valu from 1 to 0 for the pci-express firmware . as soon as i did that my disk usage went up to 100% , so i changed the value back...

I recently built a new Gaming PC, and It has been working fine for about a month. Just a couple days ago i went to turn it on, it began to start and then the fans and leds abruptly stopped. When i press the power button, the leds light up and the fans spin for anywhere from 0.3s to 1.0s and then...