Give brief of trouble shooting Pls …

Troubleshooting is a form of problem solving, often applied to repair failed products or processes on a machine or a system. It is a logical, systematic search for the source of a problem in order to solve it, and make the product or process operational again. Troubleshooting is needed to identify the symptoms. Determining the most likely cause is a process of elimination—eliminating potential causes of a problem. Finally, troubleshooting requires confirmation that the solution restores the product or process to its working state.

Troubleshooting is a systematic approach to problem solving that is often used to find and correct issues with complex machines, electronics, computers and software systems.

The first step in troubleshooting is gathering information on the issue, such as an undesired behavior or a lack of expected functionality. Other important information includes related symptoms and special circumstances that may be required to reproduce the issue.

Once the issue and how to reproduce it are understood, the next step might be to eliminate unnecessary components in the system and verify that the issue persists, to rule out incompatibility and third-party causes. 

Continuing, assuming the issue remains, one might next check common causes. Depending on the particular issue and the troubleshooter’s experience, they may have some ideas. They may also check product documentation and/or conduct research on a support database or through a search engine.

After common causes are ruled out, the troubleshooter may resort to the more systematic and logical process of verifying the expected function of parts of a system. One common method is the split-half troubleshooting approach: With a problem resulting from a number of possible parts in series, one tests half-way down the line of components. If the middle component works, one goes to the middle of the remaining parts, approaching the end. If the test finds a problem at the mid-point, one does a split towards the start of the line until the problem part is found. The split-half process can save time in systems that depend on many components.

Once the problem part is identified, it may be adjusted, repaired or replaced as needed. Evidence of effective troubleshooting is indicated when the issue is no longer reproducible and function is restored one.