i have done everything in my bios to try and fix it im on a msi fm2-a74ma-e35 motherboard with an amd a10 5800k and g.skill ripjaws 4gbx2 ram and for some reason when i go into my computer properties it recognises 8gb ram but im only using 2.22gb and its unstable? someone please help me it will be much appreciated as this is my 1st ever build:L