I built my first PC today, a HAF 922, a Cooler Master Extreme 700w, sabertooth z77, an i7 processor, and 4 2gb Corsair Dominator sticks. Everything checks out fine, except when I try to install more than 4gb of DRAM. When I try to do this, the red DRAM light comes on and the computer won't start up. I can use any of 2 sticks, and it will work fine. I've switched out the sticks, put them in different slots, but it won't take anymore than 2. Anyone else have this issue? What am I doing wrong?