Hardware knowledge and repair: Disassemble and reassemble desktop and laptop computers, identifying and replacing faulty components. Diagnose and troubleshoot common hardware issues related to CPU, RAM, hard drive, power supply, motherboard, and peripherals. Perform basic soldering and desoldering techniques on motherboards. Understand and apply safety precautions while handling electronic components. Operating System installation and management: Install and configure different operating systems like Windows and Linux on various computer systems. Manage system files, drivers, updates, and system restore functions. Troubleshoot software related issues and application compatibility. Networking fundamentals: Understand basic network concepts like LAN, WAN, TCP/IP protocol, and network topology. Configure network adapters, routers, switches, and firewalls. Install and manage network cables and connections. Implement basic network security measures. Peripheral device maintenance: Install, configure, and troubleshoot printers, scanners, and other peripherals. Perform routine maintenance tasks on peripherals to ensure optimal performance. Customer service and support: Interact with clients to understand their computer issues and provide effective troubleshooting guidance. Document repair procedures and maintain service records. Explain technical concepts to non-technical users in a clear and concise manner. Professional ethics and safety: Adhere to industry standards and safety guidelines while working on computer systems. Maintain proper documentation and record-keeping practices. Understand and comply with data privacy and security regulations.