I played around a little with the rdram of this computer and the video card. When I have plugged everything back in, the Monitor recieved no signal and simply say "no signal". I tried to isoslate the problem but had not gotten any success. I thought it might be problem with the graphc card, so I installed a new one but the problem persists. I have carefully place the RDRAM back again and again, still no luck. The system is not booting like usual, I can notice it has not booted to my OS. Although I cannot see the monitor, I turned on the system for a few minutes, and tryed soft booting it. It didnt work, indictaing the system never made it to Microsfot ME. I'm starting to think my AGP slot might have been damaged or my whole motherboard damaged all together. The powersource is fine, the power LED works fine and I can hear the system start, although I can clearly hear it has not booted the OS. Did not hear any sound from the drives, like i normally would if i booted the comp on. If anyone please have any ideas, please help.