Hey there, I am using a quite old MSI 740GTM -P25 Motherboard with an AMD Phenom 2 X2 555, 4 Gigs of ram. Here's my problem, when I place both ram sticks (2x 2GB DDR2 Corsair) in the two available slots of the motherboard, once I boot it up, the computer won't boot. I get no signal. But if I put a ram in the first slot, the computer boots perfectly. I attempted putting the working ram onto the other slot but no avail. What can be the problem?