Decided to build my own pc (bad idea). Damn thing won't boot up. It's a micro-star 6553 mobo from a compaq pc which according to microstar doesn't exist. my athlon 2000 proc is in it using 512m pc2100 ddr and onboard sound and graphics. When i turn it on the fans run for about 10 seconds, then it turns off, turns on again ad nauseum. There is no display on my monitor (which works) Any ideas? Could it be a problem with the onbard graphics?