CompTIA® A+ Exam Prep (Exams A+ Essentials, 220-602, 220-603, 220-604)

Chapter 9. Advanced PC Troubleshooting

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Terms you’ll need to understand:

• Indicator lights

• Beep codes

• Documentation

• Soft memory errors

• Hard errors

• Degaussing

• Autodetect function

• Microsoft download service

• Emergency repair disk

• Disk boot failure

• Invalid drive

• Invalid drive specification

• Buffer underrun errors

• Loopback test plug

• Drive mismatch error

• Invalid media type

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Exam objectives you’ll learn in this chapter:

Essentials 1.3—Identify tools, diagnostic procedures, and troubleshooting techniques for personal computer components.

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Recognize and isolate issues with display, power, basic input devices, storage, memory, thermal, and POST errors (for example, BIOS and hardware).

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