recently I had a similar problem wheb the power went out while my G4 was napping. Open up the side. find the "cuda" swirch. use a pen tip to hold it down. 5 secomds, take out the battery. leave it out for a few minutes. Try again. Jim Ron Michael wrote: >My G4 1.25 mirrored-door won't power up. Is there an internal reset of some >sort? Here's the awful details. Tonight my daughter was helping me plug in a >power supply for a new DSL router. The computer was on. I didn't really >realize what she was doing but she unplugged the G4 without me powering down >or shutting down. I know that's a no-no but she didn't. Now everything else >in the TrippLite power strip works including monitors, speakers, etc. except >the G4. The "start/poweron" light will come alive while you hold it, but >goes off when you release it, so the computer won't boot. I'm afraid >there's power supply damage, etc. What do you all think? Thanks for any >advice you can give. >Ron/Memphis > > > >