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Cant turn on my sony RB60G

\015 My computer has been making this high pitched squealing or whirring noise even when its powered off, and it sounds like the noise is coming from the power supply. if the computer power is switched off it stops...obviously.yesterday i tried to turn it on but it wouldn't no matter how many times i pressed the power button. it has an Intel Desktop BoardD945PPR, D945GPR, which seemingly doesn't exist because there is no data about this board or a diagram of how it is wired. i thought bridging the pins for the power button on the motherboard with a screwdriver would get it to turn on but that didn't work. this is really irritating, can someone please offer me some insight?\015

Answers :

Sounds like you need a new power supply. Try testing with another one.
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