First thing I would do is open it up and press the little button on the motherboard, Often called the cuda or PMU switch. Press and hold down once for a few seconds. You can unplug the power from the back and remove the battery for a while too. But often it's just push the button. Luck Jim On Sep 17, 2007, at 3:37 PM, jonny wrote: > A new project: > > I have a mirror drive, 1.25 dual MDD that I plan to use as my main > machine. > > I'm having trouble getting the on/off switch on the mirror drive to > turn it on every time. > > I can feel a subtle click (most of the time), but often, it won't > turn on. Right now I'm stuck. I cannot get the MDD to turn on at > all. The machine has power. And a new power supply. OSX hardware > utility tests 'Passed' all hardware components. > > Just finished cloning one machine to the other. Running OSX 3.9. > Cannot restart MDD with switch button. > > Is it possible the switch is the problem? > > Any suggestions will be much appreciated. > > Thanks. > > Jonny > _______________________________________________ > G4 mailing list > G4 at listserver.themacintoshguy.com > http://listserver.themacintoshguy.com/mailman/listinfo/g4