oh... well you might try repair man. seriously. if your machine POSTs (see
http://en.wikipedia.org/wiki/Power-on_self-test ) then there is hope that it could be fixed.
how come everyone knows how to change a tire or change the car oil or even do a tune-up but nobody knows how to open their machine's guts?
if you are a total newbie then i suggest getting a computer techician or at least a geeky friend to look at it. anyway i gotta go but best wishes with your repairs...