Weber's Troubleshooting Rules
These rules certainly apply to software of all kinds, and electrical engineering, but they are also basic enough to apply to interpersonal issues, group dynamics, etc.
- Is it plugged in?
- Is it turned on?
- Is it working as designed?
- What’s changed since it worked?
- What don’t you know?
- Who haven’t you talked to?
- Poke it with a stick.
- Simplify!
And a bonus rule: