Cannot pwr up IBM pc without unplugging pwr cord

I am working on a IBM pc, machine type 6589-12u, wins 98se.  I about had it all going when I tried to pwr the machine up it failed to do so. When I unplugged the pwr cord from the back of the machine, I noticed the fans kicked on for just a micro second.  I can get the machine to pwr back up only by plugging/unplugging the pwr cord numerous times until something hits just right and the machine will pwr up.  It this a pwr supply problem, switch problem, or something to do with the IBM soft pwr on/off.  I have changed pwr cords.  Thanks for your help.
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LucFConnect With a Mentor EMEA Server EngineerCommented:
Hi bubblehead580,

It looks like your powersupply is faulty. Try replacing it.


going to back LucF up on this one 110%.
Do we need a third opinion?  Replace the power supply.
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