NASA scientists report successful rebooting of Curiosity after the Mars rover suffers a software glitch.
Installing an older version of OS X in a system may be tempting at times, but this can also lead to unexpected system behavior. Here are some scenarios as to why this might happen and how to avoid them.
Panther/FireWire drive issue: more firmware updates; public statements, frequently asked questions; more
Special Report: Troubleshooting Mac OS X 10.3 (Panther)