I currently own a 4 gb Corsair ValueSelect 4GB (1x 4GB) 1333MHz DDR3 RAM (CMV4GX3M1A1333C9) the issue is ive gotten ta new ram and its the same as the previous one as in ( just corssair) i tried to fit in and my pc crashed . i removed it and the pc works fine with the old ram , then i removed...