hard ass Shadow, bet he's from another country and english ain't his home lauguage. Making him smarter than me.
Sounds like a bad fan on the CPU or a fan making odd noises as it spins up.
And yea, maybe wrong section. Should of been in the 'odd noise' forum.
Just kidding... More info would be nice. Fan more likely if in the first 30 seconds of powering on.
You ever clean out the dust?