Yesterday I downloaded the 10.4.3 upgrade. It was only a 56 MB download and all seems to be running normal so far. I was upgrading from 10.4.2 on an iMac G5. --Vern... -----Original Message----- From: Steve Goldstein <sng at cox.net> To: G5 computerphiles <g5 at listserver.themacintoshguy.com>; iMac computerphiles <imac at listserver.themacintoshguy.com> Sent: Tue, 1 Nov 2005 15:49:47 -0500 Subject: [G5] 10.4.3 full upgrade revs up iMac G5 fans; won't stop Anybody experience this? I upgraded to 10.4.3 with the 97 MB download, and now the fans go at full tilt and will not slow down. I got Apple on the phone, and they are having me reload the original system that came with the computer, then upgrade back to Tiger. Hope is that the fans will behave. --Steve _______________________________________________