"Apple
did an in-depth report of troubleshooting techniques and their effectiveness.
This is what they found [Covers cases with repeat (more than four) calls
on the same issue during an 8-week period, where the issue was crashing
and freezing.]:
1. Extensions
troubleshooting worked 56% of the times it was tried .
2. Clean
installs worked 28% of the time they were tried.
3. Disconnecting
SCSI devices worked 21% of the time that it was tried.
These are
all valid troubleshooting steps. They have a high likelihood of resolving
your problem. In contrast, the following troubleshooting steps are tried
way too often.
1.
Rebuilding the Desktop worked 0% of the time that it was tried. It was
tried 54% of the time.
2.
Deleting Preferences worked 3% of the time that it was tried. It was tried
38% of the time.
3.
Zapping the PRAM worked 5% of the time that it was tried. It was tried
77% of the time."
