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

Chapter 11. Maintaining and Repairing Portable Computers

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Terms you’ll need to understand:

• External monitor

• Fn keys

• Pixilation

• Antenna wires

• LCD cutoff switch

• Backlight

• Stylus

• digitizer

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Exam objectives you’ll learn in this chapter:

Essentials 2.3/Depot Tech 2.3/IT Tech 2.3—Identify/use tools, basic diagnostic procedures and troubleshooting techniques for laptops and portable devices.

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Use procedures and techniques to diagnose power conditions, video, keyboard, pointer, and wireless card issues, for example:

• Verify AC power (for example, LEDs, swap AC adapter)

• Verify DC power

• Remove unneeded peripherals

• Plug in external monitor

• Toggle Fn keys

• Check LCD cutoff switch

• Verify backlight functionality ...