So i upgraded my Acer x3995. I took the 6gb of ram, 500gb hdd, and the i3 2120 and acer's own motherboard. I bought a MSI r7 370 2gb, a bitfenix comrade case and a corsair vs450. When i boot up my pc without the gpu, it starts just normally. But when i put the gpu in, it will boot up, but it...