Unit 1: Troubleshooting methodology
- Topic A: Troubleshooting models
- Topic B: Professionalism
Unit 2: Operating systems
- Topic A: Operating system fundamentals
- Topic B: Directory and file management
- Topic C: File and folder permissions
Unit 3: Electricity and power supplies
- Topic A: Electrical safety
- Topic B: Power supplies
Unit 4: CPUs and motherboards
- Topic A: Central processing units
- Topic B: Packaging, slots, and cooling techniques
- Topic C: Motherboards
Unit 5: The Basic Input/Output System
- Topic A: The BIOS and CMOS
- Topic B: The POST and boot processes
Unit 6: Memory systems
- Topic A: Memory
- Topic B: Memory packaging
- Topic C: Memory monitoring
Unit 7: Bus structures
- Topic A: Buses
- Topic B: The PCI bus
- Topic C: Video buses
Unit 8: Expansion cards
- Topic A: Drive adapters
- Topic B: Video cards
- Topic C: Sound cards
- Topic D: Internal modems
Unit 9: Peripheral connection types
- Topic A: Peripheral connection types
- Topic B: PS/2 connections
- Topic C: USB connections
- Topic D: FireWire connections
- Topic E: Multimedia connections
Unit 10: Data storage devices
- Topic A: Hard drives
- Topic B: Optical drives
- Topic C: Removable storage devices
- Topic D: Drive maintenance
Unit 11: Video output and image input devices
- Topic A: Monitors
- Topic B: Scanners and cameras
Unit 12: Printers
- Topic A: Printing technologies
- Topic B: Printer installation and optimization
Unit 13: Connecting computers
- Topic A: Networking concepts
- Topic B: Wired network connections
- Topic C: Basic internetworking devices
Unit 14: Networking computers
- Topic A: Addressing
- Topic B: Client configuration
Unit 15: Portable computers
- Topic A: Notebook computers
- Topic B: Notebook issues
Unit 16: Monitoring and management
- Topic A: System monitoring
- Topic B: System performance
- Topic C: System management
Unit 17: Operating system troubleshooting
- Topic A: Windows startup
- Topic B: System troubleshooting
Unit 18: Security
- Topic A: Operating system security
- Topic B: Windows Encrypted File System
- Topic C: Security hardware
- Topic D: The human aspects of security
Unit 19: Windows installation and upgrades
- Topic A: Windows installation
- Topic B: Upgrades
Unit 20: Safety and maintenance
- Topic A: Safety and hazards
- Topic B: Computer maintenance
- Topic C: Safe work practices
- Topic D: Disposing of computer equipment
Unit 21: Troubleshooting hardware
- Topic A: Backups
- Topic B: Hardware problems
Appendix A: System cases
Appendix B: CompTIA A+ acronyms
- Topic A: List of abbreviations
Appendix C: Certification exam objectives map
- Topic A: Comprehensive exam objectives