On the other hand, my PowerMac G4 is ten years old, I have never done any of this kind of maintenance, and I have never had any power supply problems with it either. Eric S. Harry Freeman wrote: > Greetings Jonny > > I've said this before and I'll say it again, I worked in the electronic > industry for a very long time. > I was Field Service Manager and Technical Support manage for the first > PCM Digital Telephone Switch which was installed at Ridge Crest, Ca. > One of the periodic maintenance procedures was "Clean The Air Filters" > I've used my MAC G4 since 1999 and haven't had any Power Supply problems. > I have always had those "Air Cans" and I open the box up every 6 months and > blow out the accumulated dust and webs that are in the Power Supply and > every where > else that they gather. > > So Jonny if you want everything to last a long time get yourself some of > the compressed > air and keep the insides free of junk. > > Cheers > > Harry > San Jose, Ca > ----------------------------------------------------_______________________________________________ > > G4 mailing list > G4 at listserver.themacintoshguy.com > http://listserver.themacintoshguy.com/mailman/listinfo/g4 > >