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原帖由: Mc128k ,

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Wow, no chime, that's veeery bad! THat means the motherboard hadn't passed the self-check.
Have you done anything particular before the "death"?  That's a problem that can't come out from nothing.

If you want you can try an EPROM reset, by doing what is written here --> http://support.apple.com/kb/HT1379

Try even disconnecting the mac from power supply and keeping the power button held for some seconds (10-15)

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