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Troubleshooting is the systematic process of identifying, diagnosing, and resolving technical problems with hardware, software, or connectivity to restore a system to its expected functionality. It involves a logical, methodical approach that starts with gathering information and ends with verifying the solution, which can prevent future issues and reduce downtime.

What is troubleshooting?

Systematic process: A structured approach to problem-solving rather than random trial and error.

Problem-solving: A form of problem-solving specifically for finding the root cause of a fault and implementing a fix.

Hardware and software: Applied to both physical components (like the CPU or monitor) and software issues (like an application not running correctly).

How does the troubleshooting process work?

1. Identify the problem: Clearly define the symptoms and when or where the problem occurs.
2. Gather information: Collect all relevant details about the issue, including any error messages or recent changes.
3. Establish theories: Based on the information, form hypotheses about the probable cause(s).
4. Test theories: Systematically test your theories, starting with the most general or likely solutions, such as restarting the computer or checking a power cord.
5. Develop and implement a solution: Once the root cause is identified, implement a solution to fix it.
6. Verify the solution: Confirm that the system is working correctly and the original problem is gone.
7. Document: Keep a record of the problem and the solution for future reference, if necessary.