will r7 260x 1gb ddr5 oc run by 2gb ddr3 ram....r7 260x don't run on my specs,,,,my specs motherboard asus p5g41 tmlx2,,,processor core 2 due e4600,,ram 2gb,,,psu thermaltake lightpower 550 Watt,,,will i increase ram to 4 gb....will this problem solve?