Jerry, While you're in there re-installing the batter, give the little button next to it a push. It is the PMU (Power Management Unit) button and might help solve your coma as well. Tony On 24-Feb-06, at 7:31 AM, Stefan Daehler wrote: > Dear Jerry, > > if your G4 really runs at 533 MHz, it's not a Gigabit but a Digital > Audio (DA). > > The culprit is most likely the PS. But first, disconnect your Mac > from electricity and remove the PRAM-battery. Wait some 15 minutes, > then replace the battery and reconnect. > > You may try to start up pressing the power button on the front panel. > > Otherwise, if - by chance - you got an original USB-Keyboard (iMac- > type), you may try to power-up via USB pressing the power button on > the keyboard. > > Check that out and let us know again. > > Good luck! Steff > > > Original message: > >> Hey All, >> My G4/533 GigaBit Will not power On It shut Down fine But when i >> tried to start it back up Nothing like the powersupply is dead. >> Any hints on how to go about checkig it out it was running Great >> and Now Nothing i don't know if it is the PS or LogicBoard I NEED >> HELP_______________________________________________ >> G4 mailing list >> G4 at listserver.themacintoshguy.com >> http://listserver.themacintoshguy.com/mailman/listinfo/g4 >> >> Listmom is trying to clean out his closets! Vintage Mac and random >> stuff: >> http://search.ebay.com/_W0QQsassZmacguy1984 > > _______________________________________________ > G4 mailing list > G4 at listserver.themacintoshguy.com > http://listserver.themacintoshguy.com/mailman/listinfo/g4 > > Listmom is trying to clean out his closets! Vintage Mac and random > stuff: > http://search.ebay.com/_W0QQsassZmacguy1984