I just built this PC last Thursday for gaming and upgraded to windows 10 but for some reason it says I only have 6.96 gb of ram usable and I want to use my full 8 can someone help me get it to 8? Here's my specs mobo Msi 970 gaming, GPU evga GTX 960 4gb, CPU amd fx 8320 eight core 3.50 ghz, ram ripjaw 8gb.