Hello, I am having a problem with my mother board the asus M4A77TD. I have 2X2gb DDR 3 1333MHz modules. when I install one of them the PC runs fine but when I install both of them it does not boot only the fan and HDD runs. I tried all combinations of ram slots and did not work. I tried each ram alone and it works so no problem with them, the only problem when they run together. I have athlon x2 260 CPU. Please advice?
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Is the memory on the Qualified Vendor List?
Try increasing the RAM voltage. But do not exceed 1.65 volts. You can also try relaxing the timing a little.