Updated in May 2025.

This course now features Coursera Coach! A smarter way to learn with interactive, real-time conversations that help you test your knowledge, challenge assumptions, and deepen your understanding as you progress through the course. In this course, participants will explore each topic comprehensively. The course begins with understanding peripherals such as USB connectors, Thunderbolt, and media readers, crucial for expanding system functionality. Then, you’ll explore modern display technologies like LCDs, projectors, and advanced graphics cards, ensuring you can configure and troubleshoot various systems. As the course moves into networking, it explains foundational concepts such as IP addressing, cables, and wireless standards, preparing learners to diagnose and repair connections efficiently. Throughout the course, you'll gain practical skills that will enhance your ability to manage and configure networks and devices, ensuring a smooth IT infrastructure. This course is designed for IT professionals, tech enthusiasts, and CompTIA A+ certification candidates. Basic knowledge of computer hardware is recommended but not required.