could be use a multi meter to check your power supply. don't do the paper clip thing it's not right, I might also try my memory, it happened to me once. If it's not one of those it probably is a bigger problem. On Feb 18, 2013, at 4:19 PM, Scot Nakamura wrote: > Hello: > > I have 4 dual 1.25Ghz MDDs. > > One dual 1.25GHz MDD is giving me kernal panics after running for a > while. Is this a CPU or motherboard problem? > > Another of my dual 1.25Ghz MDDs boots up then goes completely dead - > everything including the fan stops. Is this a power supply problem? > > Thanks, > > Scot "Bruce" Nakamura > _______________________________________________ > G4 mailing list > G4 at listserver.themacintoshguy.com > http://listserver.themacintoshguy.com/mailman/listinfo/g4 >