Thanks for that.
I tried the RAM approach, taking it all out, cleaning it, putting 1 in another slot, everything you can think of with the RAM I've tried and no luck.
With the CPU though I do have a question, how do you take it off? I unhooked the fan, and it looks like the CPU came off with the fan however, I've tried separating the two, but they're stuck to each other pretty good. There's no way I can take the two of them apart. Is there a trick that i'm missing in separating them? Getting the thermal compound and adding more I can do, but not if they're not already separated.
Suppose the other point too is, if the power unit itself is fried, does the pc still start? I've had problems with the monitors in the past pc's and it was the power unit that had broken. I just don't want to replace it if it isn't that.
The PC doesn't stay on you see, after 20 seconds it turns off, then automatically starts again by itself and does the whole thing all over again.