Safety and Preventive Maintenance -- Look Inside a PC -- Closer Look at the Motherboard -- Understanding CPUs -- Understanding Memory -- How Video Cards and Monitors Work -- Introduction to Disk Drives -- Focus on Hard Drives -- Focus on Removable Disk Drives -- Look at Some Expansion Boards -- Few Other Essential Components -- Printing Basics -- Introduction to Networking -- Operating System Basics -- Starting Up a PC -- Essential Windows Tools and Skills -- Working with Devices in Windows -- Troubleshooting Windows Problems -- Setting Up Internet Connections -- What's in a PC Technician's Toolkit?