Troubleshooting principle

Usually many principles are followed but following troubleshooting principles help to resolve provlem at hand

1. Consciously use a logical method. Focus on  how you’re attacking the problem.
2. Suppress any assumptions. Intuitive leaps often land in the mud.
3. Only change one variable at a time. Follow this to find the root cause of a problem.
4. Trust, but verify, problem evidence. Get a clear and thorough description of the symptoms.
5. 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