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Kobatzu Level 1 Level 1 (0 points)

I have a 2005 Power Mac G5 Duo 2.5 Gigahertz computer which will not boot up. When I turn it on, the power light does not light up, nor does it show a flashing light signal. Soon after the fans start up they become loud. I tried reseting the smu, installed new memory, zaped the PRAM, and gave it some time. Those things helped me before, But not now. PLEASE HELP ME!

Power Mac G5, Mac OS X (10.4)
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