Complete CompTIA A+ Guide to PCs: Disassembly and Power

Chapter Objectives

In this chapter you will learn:

• How to prevent static electricity, RFI, and EMI from harming or interfering with a computer
• The tools needed to work on computers
• How to take apart a computer and put it back together
• How to perform basic voltage and continuity checks
• How to upgrade or replace a power supply
• Different power-saving techniques
• What type of power devices can be used to protect computers
• Tips for good written communication

CompTIA Exam Objectives

What CompTIA A+ exam objectives are covered in this chapter?

• ✓ 801-1.2 Differentiate between motherboard components, their purposes, and properties.
• ✓ 801-1.8 Install an appropriate power supply based on a given scenario.
• ✓ 801-3.1 Install and configure laptop hardware and components.
• ✓ 801-5.1 Given a scenario, use appropriate safety procedures.
• ✓ 801-5.2 Explain environmental impacts and the purpose of environmental controls.
• ✓ 801-5.3 Given a scenario, demonstrate proper communication and professionalism.
• ✓ 802-1.4 Given a scenario, use appropriate operating system features and tools.
• ✓ 802-1.5 Given a scenario, use Control Panel utilities.
• ✓ 802-4.2 Given a scenario, troubleshoot common problems related to motherboards, RAM, CPU, and power with appropriate tools.
• ✓ 802-4.8 Given a scenario, troubleshoot, and repair common laptop issues while adhering to the appropriate procedures.