I've always built my own computers but it's been a while. Anyway I bought some components for a case I have:
antec 330 true power
I put it all together and it comes right on and works fine.
Then I install xp on the new drive and run it for a hour or so.
Next Day I add a sound card and turn it on. The fans come on but no video so I turn off the power switch.
That's the last I've heard from it.
I get no beeps fans, nothing.
I checked that the on switch works with a meter. I tried pulling everything else out (hdled, spk, connectors tothe case)
I'm going to take the sound card to work to test it on another computer but it should be ok.
The thing is, this is the only computer with a p4 or ddr I have so I can't do much switching around.