Good idea. thanks On Jun 20, 2004, at 11:55 AM, zhmmy harper wrote: > I think I would suspect the UPS first. A power surge could have fried > a diode. Plug your computer directly into the wall and see if it > still does it. How old is your UPS? The battery needs replaced > periodically just like a car. > > Last Sunday night, our neighborhood suddenly lost power for 8 hours. > Since then, my G4 desktop has been randomly shutting down. No panics > but just power off. > > I have replaced the internal battery and reset the PMU. > > Any other ideas? > > BTW, the computer is connected through a powerful UPS device. > > Thanks > > David > > _______________