Phil, Did you rest the PMM with little black button? If not you can find the "how to" on one of the Apple Help pages. Time & Date is kept in PRAM, so if you can set the time and date software, logic board and power supply are functioning a okay. Harry -------------- Sent from my iPad On Jul 31, 2012, at 9:50 PM, Phil Crowe <cawcawster at gmail.com> wrote: > Hi. My wife's computer (a dual 1.25GHz MDD G4, downsized from a dual > 1.42 GHz machine) loses the date & time setting after every shutdown. > Replaced battery. No change. Checked old battery - it tested at 3.68 > volts. How do you determine if problem is in software, logic board, or > power supply? > > Phil Crowe > _______________________________________________ > G4 mailing list > G4 at listserver.themacintoshguy.com > http://listserver.themacintoshguy.com/mailman/listinfo/g4