pc problems

Hey everyone. I’m just going to get straight to the point. I have a buzzing sound coming from inside of my computer. It sounds like MBO noise but I’m not entirely sure. Does anyone know what it could possibly be? Watch video above to see what I’m talking about

Hi all, I recently upgraded my PC and have spent the last eight hours trying to get this thing to work. When I turn it on, all the fans start spinning, but no signal is sent to my monitor. Ive tried taking out a single ram stick, on both ports, putting in my old ram stick, tried booting it up...