Understand key components in a computer: Before repairing a computer, it is important to understand the major components inside a computer system. These components include the CPU, memory, hard drive, motherboard, and graphics card, amongst others.

Properly use tools: In order to effectively perform computer maintenance and repair work, using the right tools in the correct way is crucial. These tools can include screwdrivers, pliers, tweezers, air cans, and more.

Learn troubleshooting skills: Diagnosing and repairing computer problems requires the use of specific troubleshooting tricks. These tricks might include checking the power connection, viewing system logs, checking cable connections, and more.

Check and replace computer parts: Once the cause of the problem is identified, checking and potentially replacing computer components may be required. This can include the hard drive, memory modules, and power supply among others.

Operating system maintenance: Regular maintenance of the computer’s operating system is also required since it can encounter issues such as crashes, slow performance, and more. Knowing how to check system error logs, clear system caches, and more is important.

Maintain data safety: Before performing computer repair, it is important to backup all important data in order to avoid loss during the repair process. Backup options can include external hard drives, cloud storage, and more.

Learn to script: Scripting can help to automate processes and make work more efficient and accurate.