This course unit provides students with practical knowledge and skills in computer hardware repair and maintenance. You will study the functions of key components such as the motherboard, CPU, memory, storage devices, and power supply, while gaining experience in diagnosing and troubleshooting hardware faults. Emphasis is placed on preventive maintenance, safe handling of equipment, and effective repair techniques. Through lectures, demonstrations, and hands‑on practice, you will learn to assemble, upgrade, and maintain personal computers. The course unit will equip you with the technical expertise needed to ensure reliable system performance and prepare for careers in IT support and hardware servicing.