I purchased a Intel 875 mobo, 3.0 ghz cpu (HT) and 1G PC3200 DDR400 ram, and a new case. After installing everything, and turning on the computer, nothing happens. Fans go on, CD players lights blink (like a normal startup), and then nothing, nothing is displayed on monitor (monitor doesn't even start up, but it works). I was thinking something has to be wrong with either the memory or cpu, or even the mobo. Tried a different video card and still same problem, tried a different case and still same problem. Everything is connected as it should be, according to intels website. Any advice?