I am trying to upgrade my ram, out with the old in with the new, and my computer is not booting up with the new ram. My set up is ASUS M4A785TD-V EVO mobo, OCZ Obsidian 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 ram, AMD Phenom II X4 955 Black Edition Deneb 3.2GHz Socket AM3 125W Quad-Core Processor, and my new SAPPHIRE 100355OCL Radeon HD 7850 2GB 256-bit GDDR5 PCI Express 3.0 x16 HDCP Ready Video Card. Im trying to install new G.SKILL Ripjaws Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1333 ram and I'm following all the basics... disconnect everything including the power, taking out the old memory, inserting the new memory, hooking everything back in, giving it power, turning it on... and it fires up but doesn't really do anything after that. I have already tired placing the memory in the different slots, only using one at a time, trying all individual slots, trying a1 and a2, b1 and b2, you get the point. Any ideas?