Diagnose, troubleshoot, and repair devices. Provide recommendations for problem resolution. Explain complex technical issues to customers in a non-technical, simple-to-understand manner. Ensure that all repairs meet or exceed the Laptop Motherboard. A technician is a skilled employee who repairs, installs, replaces, and services various types of equipment and systems. Each day, a technician spends time tackling different tasks, depending on the issue, such as analyzing problems, running tests, and repairing equipment.