pc power on issue

Well it may be a long post but I'll try to explain everything So i have a pc having amd fx 8150 , msi 970 gaming motherboard , cooler master hyper 212x cooler ,corsair value select ram 2x4gb , gpu gt 210 ( my r9 270x dead a while ago ) , crucial 500gb p1 ssd by pcie adapter and cooler master...