USE CASE: 
Supporting a grade school Mac lab and am trying to make a consistent load 
for all of the iMacs (G3, Indigo, 500MB RAM), with OS 10.4 and OS 9.2.1

PROCESS:
I followed the recommendations in *How to Clone Mac OS X to a New Hard Drive
* <http://lowendmac.com/ed/royal/08sr/clone-mac-os-x.html>, using Carbon 
Copy Cloner instead of SuperDuper. To simplify this operation, I connected 
the target iMac to the source machine using a firewire cable, and starting 
it in [T]arget disk mode.

RESULT:
The transfer went very well, however, when I disconnected the two machines 
and tried to boot the target iMac, the gray OSX startup screen came up 
briefly, then a black square ~2" x 3" popped up on the screen and the 
computer shut down. 

<https://lh5.googleusercontent.com/-vNOOzrAa8RY/UC26bX9ykbI/AAAAAAAAHWc/rX772h0uRmo/s1600/Screen+shot+2012-08-16+at+10.27.10+PM.png>


*When this has happened in the past, I started up from a OSX install disk 
and re-installed the OS.*

This time, I tried booting in Safe Mode (hold Shift after chime, and 
release at gray apple), and the computer booted up, starting me at a user 
selection/login screen. When in Safe Mode, I ran Disk Utility and confirmed 
permissions were OK. I also reset PRAM on the next restart. 

Still, the computer either gave the black warning screen, or just went dark 
and shut off.

Any other suggestions? I would rather not re-install from scratch on every 
computer, plus I like the advantage of having the same 'student' and 
'admin' user accounts on every iMac in the lab.

Many thanks!

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