Usually many principles are followed but following troubleshooting principles help to resolve provlem at hand
- Consciously use a logical method. Focus on how you’re attacking the problem.
- Suppress any assumptions. Intuitive leaps often land in the mud.
- Only change one variable at a time. Follow this to find the root cause of a problem.
- Trust, but verify, problem evidence. Get a clear and thorough description of the symptoms.
- Document your steps early in tough issues. This step is essential to logically eliminating all the potential causes.
Troubleshooting a computer fault involves basic steps which fall into one or more of the following categories, usually in the order they are displayed below:
- hardware troubleshooting
- network troubleshooting
- errors in program execution due to the operating system
- software troubleshooting