I'm still a newbie when it comes to building pc, and I just built my first pc. I use a Ryzen 3 3100 using MSI B450M Pro-VDH Max motherboard, HyperX Fury 8GB (2x4) RAM, Corsair CV450 PSU, RX 550 4GB, Adata SSD 120GB, and Seagate Barracuda 1TB. When I first turn on my pc, all the fans are working...