Introduction 1 Pre-Assessment 9 Book 1: Setting the A+ Groundwork 19 Chapter 1: The 2019 A+ Exams 21 Chapter 2: A+ Best Practices 29 Chapter 3: Protecting Yourself and Your PC 55 Chapter 4: An Overview of System Components 75 Book 2: Inside the Box 91 Chapter 1: Knowing Your Motherboard 93 Chapter 2: Picking Your Processor 137 Chapter 3: What to Remember about Memory 179 Chapter 4: Telling Your BIOS from Your CMOS 209 Chapter 5: Working with Storage .241 Chapter 6: Working with Power 281 Book 3: Outside the Box 301 Chapter 1: Identifying Basic Cables and Connectors 303 Chapter 2: Installing and Configuring Input Devices 327 Chapter 3: Installing and Configuring Output Devices 345 Chapter 4: Managing Printers 367 Chapter 5: Working with Multimedia Devices 401 Chapter 6: Dealing with Laptops and Mobile Devices 417 Book 4: Maintenance and Troubleshooting 467 Chapter 1: Performing Preventive Maintenance 469 Chapter 2: Troubleshooting Procedures and Guidelines 491 Book 5: Operating System Basics 517 Chapter 1: System Design and Operating Systems 519 Chapter 2: Windows Operating System Functions 561 Chapter 3: Installing and Upgrading Windows 609 Chapter 4: Managing Files and Directories 631 Chapter 5: Command Prompt Procedures 663 Chapter 6: Working with System Files and the Boot Process 691 Book 6: Managing the Operating System 703 Chapter 1: Loading and Configuring Device Drivers 705 Chapter 2: Working with Applications 725 Chapter 3: Optimizing the Windows Environment 749 Chapter 4: Using Windows-Based Troubleshooting Utilities 785 Chapter 5: Scripting within the Operating System 829 Book 7: Recovering Systems 875 Chapter 1: Managing Error Codes and Startup Messages 877 Chapter 2: Managing Common Problems 897 Chapter 3: Preparing for Disasters with Disaster Recovery 919 Book 8: Networking 949 Chapter 1: Down to the Networking Basics 951 Chapter 2: Understanding Common Wireless Communications .999 Chapter 3: Networking the Operating System 1031 Chapter 4: Configuring Internet Access and SOHO Networks 1103 Book 9: Securing Systems 1143 Chapter 1: Fundamentals of Security 1145 Chapter 2: Implementing Security .1191 Chapter 3: Viruses and Malicious Software 1231 Appendix A: CompTIA A+ Exam Reference Matrix 1253 Index 1271.