My PC was having issues and would not fan spin one day, so I ordered a new mobo...it would now fan spin, but for 1/2 a second. I then replaced my power supply and, still 1/2 a second of fan spin and power supply fan spin, but no boot. It may have something to do with my cpu seating, but I have repeated it multiple times.
SPECS:
CPU: i5 7600k
RAM: Vengeance 2x 8
MOBO: GIGABYTE B365M DS3H
PSU: GameMax
I can post more if needed