I've clean installed windows, reinstalled all my drivers, and reset the bios but my computer is still performing slow. I went from a MSI FM2-A75MA-E35 motherboard to a MSI A55M-E35 one and from Corsair Vengeance 8 GB (2 x 4 GB) CMZ8GX3M2A1600C9 to Crucial Ballistix Sport 8GB (1 x 8 GB)...