This could be a PRAM battery or the power unit behind the on off button. These power switches were an issue on those G4 models; I had two go bad out of 6 G4s of that version. Try the $15 battery first. RadioShack. roger On Oct 31, 2005, at 8:26 PM, Hector I. Macedo wrote: > > > What would be the logical process to go eliminating the usual > suspects? > > Thanks for any help. > > > Hector I. Macedo "Lord of > the Flies" > Dallas, TX 75248