troubleshooting form



Six steps:
  1. Identify the problem.
  2. Establish a theory of probable cause.
  3. Test the theory to determine the cause.
  4. Create an action plan to solve the problem and implement the solution.
  5. Check all system functionality and take precautions if necessary.
  6. Document the results, measures and results.

troubleshooting form


What are the types of troubleshooting?

The 10 Most Important Network Troubleshooting Tools Any IT Specialist Should Know
  • Subnet and IP computers.
  • PuTTY / Tera term.
  • Netstat
  • Nslookup.
  • Ipconfig / ifconfig.
  • Tracert / traceroute.
  • Melody. The most commonly used network tool is the ping utility.

    May 2020 Update:





    Troubleshooting is a form often used to repair faulty products or processes on a computer or system. This is a logical and systematic search for the cause of the problem to solve it and resume the product or process. Troubleshooting is required to identify symptoms. Identifying the most likely cause is to eliminate the possible causes of the problem. Finally, troubleshooting requires confirmation that the solution returns the product or process to operational state.

    Generally, troubleshooting is an identification or “problem” in the system control flow caused by an error. The problem was originally described as a symptom of a malfunction. When troubleshooting, the causes of these symptoms are identified and corrected.

    A system can be described according to its expected, desired, or expected behavior (usually its function for artificial systems). System events or inputs should produce specific results or results. (For example, if you select the "Print" option from different computer applications, thea specific device is pressed.) Any unexpected or unwanted behavior is a symptom. When troubleshooting, the specific causes or causes of the symptom are reduced. Often a symptom is the inability of a product or process to achieve results. (For example, nothing was printed). Corrective action can then be taken to avoid new errors of the same nature.

    Methods are useful for finding problems in products or processes, and a wide range of analytical methods are available to identify the causes of certain problems. Corrective actions can then be taken to avoid another similar failure. Preventive measures are possible from and to mass production, and these methods can also be used for.

    Aspects []

    Typically, a fix is ​​applied to something that suddenly stops working because its previous working state matches what was expected from its future behavior. Therefore, initial emphasis is often placed on recent changes in the system or environment in which it is present. (For example, a printer that "worked when connected"). However, there is a well-known principle that does not imply this. (For example, a device failure shortly after connecting to another outlet does not necessarily mean that the events are connected. Perhaps this is an error.) Therefore, troubleshooting is necessary, and not,

    It is useful to consider the general experience with light bulbs. Bulbs "go out" more or less at random; Finally, repeated heating and cooling, as well as fluctuations in the power supplied to it, cause a rupture or evaporation of the filament. The same principle applies to most other electronic devices, and similar principles apply to mechanical devices. Some faults are part of the normal wear and tear of system components.

    The basic principle for troubleshooting is to start with the simplest and most possible problems. This is illustrated by the old saying, “If you see hoof prints, look for horses, not zebras,” or use another, use it. This principle leads to a general complaint If the manuals are sometimes first asked: “Is it plugged in and is this plug plugged in?” But this should not be considered as an insult, but as a reminder or reminder. Always check for simple things before calling for help.

    The troubleshooter can check each component individually and replace any potentially suspicious component with known healthy components. However, this “serial replacement" process can be considered degenerate when components are replaced, regardless of how their failure can lead to the diagnosis of symptoms.

    Simple and intermediate systems are characterized by lists or dependency trees between their components or subsystems. More complex systems contain dependencies or cyclic interactions (). Such systems are less suitable for "troubleshooting" twice the troubleshooting methods.

    It also helps to suggest a well-known good condition; the best example is a computer. And this is also a good thing to try. Full production by competent people about It is not useful, especially if it offers one for the subject of a device or system.

    A common cause of problems is poor design, such as B. poor design, in which the device can be used upside down or upside down due to the lack of an appropriate boost function () or lack of design. This is especially bad if the user simply does not notice the misuse, for example, if the two parts have different functions, but have a common case, so a random check does not show which part is used.

    Troubleshooting can also take the form of systematic troubleshooting or a spreadsheet created before the problem occurred. If you are designing troubleshooting procedures in advance, you can carefully think through the troubleshooting steps and organize the troubleshooting process so that the troubleshooting process is most effective. Troubleshooting tables can be computerized to make them more efficient for users.

    Some wordsProblems with computer troubleshooting (for example, Primefax, later renamed MaxServ) immediately display the top 10 solutions with the highest probability of solving the main problem. A technician can answer additional questions to facilitate troubleshooting, narrowing down the list of solutions with each step, or introducing a solution that, in his opinion, solves the problem immediately. These services offer a discount if the technician takes an additional step after solving the problem: communicate a solution that actually solved the problem. The computer uses these reports to update its decision evaluations that most likely resolve this particular set of symptoms.

    Half []

    Effective methodological troubleshooting starts with a clear understanding of the expected behavior of the system and the observed symptoms. From there, the convenience store makes assumptions about possible causes and develops (or perhaps refers to a standardized checklist) tests to address these potential This approach is often called "".

    Two common strategies are used to solve problems: first, find general or easy-to-test conditions (for example, make sure the printer indicator is on and the cable is at both ends). This is often referred to as front panel milking.

    Then the "half" system (for example, on the network) A printing system to check if a job has been reached on the server to determine if there is a problem in the subsystems “against” the end user or “against” the device).

    The latter method can be particularly effective in systems with long chains of serialized dependencies or interactions between their components. This is just applying a set of dependencies to the whole range, and it is often called "half splitting".

    Reproduce symptoms []

    One of the basic principles for troubleshooting is that reproducible problems can be reliably isolated and resolved. When troubleshooting, much effort and attention is paid to reproducibility ... to find a method by which you can reliablyIndicate the onset of a symptom.

    Intermittent symptoms

    Affects some of the more complex troubleshooting issues. In electronics, this is often the result of heat-sensitive components (since the resistance of a circuit varies with the temperature of the conductors it contains). Compressed air can be used to cool certain places on the circuit board, and the heat gun can increase the temperature. Therefore, troubleshooting electronic systems often requires the use of these tools to reproduce the problem.

    In computer programming, there are often temporary symptoms that are extremely difficult to reproduce. Various methods can be used to force a particular function or module to be called faster than during normal operation (similar to “warming up” a component in a hardware circuit), while other methods can be used to introduce longer delays or force synchronization between other interacting modules orprocesses.

    In particular, he argues that a distinction is made between the frequency of occurrence and the "known sequential reproduction" of the problem. For example, knowing that a recurring problem occurs “within” an hour after a particular stimulus or event ... but sometimes it takes five minutes, and sometimes it lasts almost an hour ... is not a “known procedure.” even if the charm



    Why is it called troubleshooting?

    This is the art of problem solving, and the term was born at the end of the 18th or beginning of the 19th century, when technical specialists were directed to search for problems in the telegraph and telephone infrastructure, and then find a way to solve or solve problems. delicacy.





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