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Mike Meyers' CompTIA A+ Guide to Managing and Troubleshooting PCs Lab Manual, Fifth Edition (Exams 220-901 & 220-902), 5th Edition by Faithe Wempen, Mike Meyers

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Chapter 6

BIOS

Lab Exercises

6.01      Identifying the BIOS

6.02      Accessing BIOS Settings via the CMOS Setup Program

6.03      Configuring and Clearing CMOS Setup Program Passwords

6.04      Configuring BIOS Settings

Lab Analysis Test

Key Term Quiz

 

Basic input/output services (BIOS) provide the primary interface between the operating system’s device drivers and most of its hardware. Although a modern BIOS is automated and tolerant of misconfiguration, a good PC technician must be comfortable with situations in which the BIOS may need some maintenance or repair.

A PC needs the BIOS to tell it how each basic component is supposed to communicate with the system. At the beginning of the PC revolution, many different manufacturers developed ...

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