On 26 Feb 2006, at 01:22, Randy B.Singer wrote: > Jan Melichar said: > >> two days go two LaCie drives connected to my G5 had 'disappeared' >> when I woke the computer up. No amount of restarting, turning the >> drives off and on, repairing permission and so on made any >> difference. >> ... I did >> install the 10.4.5 update a week ago. >> >> Anyone any any idea what might be going on here? > > When you updated to 10.4.5, were your FireWire drives connected to > your > Mac? If so, this is the root of your problem. You should never have > your FireWire drives connected when you update your OS. > > Some folks have fount that reapplying the stand-alone updater fixes > the > problem. > > Randy B. Singer Thanks for the tip. Yes they were. Apart from coming across this problem and your email how else might I have found out about disconnecting the FE drives prior to updating a system? I'll try reapplying the update. Jan