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CompTIA A+® Certification All-in-One Exam Guide, Seventh Edition by Michael Meyers

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CHAPTER 27The Complete PC Tech

In this chapter, you will learn how to

• Describe how computers work

• Implement a troubleshooting methodology

• Describe a technician’s toolkit

When a mission-critical computer goes down, regardless of the industry, people get upset. Workers can’t work, so they feel guilty. Employers can’t get product out on time, so they feel anxious. Supervisors blame employees for fouling things up, or at least the employees fear such blame, even if they did not break the machine.

Into this charged atmosphere comes the tech, ready to fix the computer and move on to the next challenge. Accomplishing this task, though, requires three things: First, a good tech must know the broken machine inside and out—how it’s supposed to work ...

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