> From: Mark Des Cotes <mark at astroprinting.com> > Date: 2005/11/18 Fri PM 03:46:27 EST > To: OS X Users <X4U at listserver.themacintoshguy.com> > Subject: [X4U] Help, Power supply fan > > Sorry to be a pain, but does anyone know if the power supply fan in a > G4 can be replaced or do you have to change the entire power supply? I > want to fix this ASAP but I'm not sure what to order. Sure you can change it. It's just a matter of finding the replacement fan, removing the powersupply, opening the powersupply, splicing the connection (if necessary), reinstalling, etc. Or were you looking for explicit instructions on doing this?