CHAPTER 8

Power Supplies

In this chapter, you will learn how to

•   Explain the basics of electricity

•   Describe the details about powering the PC

•   Install and maintain power supplies

•   Understand power supply troubleshooting and fire safety

Powering the PC requires a single box—the power supply—that takes electricity from the wall socket and transforms it into electricity to run the motherboard and other internal components. Figure 8-1 shows a typical power supply inside a case. All of the wires dangling out of it connect to the motherboard and peripherals.

Images

Figure 8-1 Typical power supply mounted inside the PC system unit

As simple as ...

Get CompTIA A+ Certification All-in-One Exam Guide, Ninth Edition (Exams 220-901 & 220-902), 9th Edition now with the O’Reilly learning platform.

O’Reilly members experience live online training, plus books, videos, and digital content from nearly 200 publishers.