no power LED

New here so don't kill me if I'm doing something wrong :P Anyways, I got a new processor for christmas and after installing it, my PC wouldn't post. Fans are running, lights are on, but no video signal. There is also no light in the power button, like there was before. I first tried putting...

This morning I had booted up my PC and after logging in and an unusual long loading time, my screen went black and would flicker my background every few seconds. I then noticed my usb peripherals that were plugged into USB 3.0 ports weren't working. My screen showed the menu bar on the bottom...