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Mike Meyers' CompTIA A+ Guide to Managing and Troubleshooting PCs Lab Manual, Seventh Edition (Exams 220-1101 & 220-1102), 7th Edition
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Mike Meyers' CompTIA A+ Guide to Managing and Troubleshooting PCs Lab Manual, Seventh Edition (Exams 220-1101 & 220-1102), 7th Edition

by Mike Meyers, Mark Edward Soper
January 2023
Intermediate to advanced content levelIntermediate to advanced
672 pages
15h 13m
English
McGraw-Hill
Content preview from Mike Meyers' CompTIA A+ Guide to Managing and Troubleshooting PCs Lab Manual, Seventh Edition (Exams 220-1101 & 220-1102), 7th Edition

Chapter 5

Firmware

Firmware is software stored in a chip. Every computer has at least one type of firmware: the basic input/output system (BIOS). The BIOS provides the primary interface between the operating system’s device drivers and most of its hardware. Although modern BIOS/UEFI firmware 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 ...

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Mike Meyers' CompTIA A+ Guide to Managing and Troubleshooting PCs, Seventh Edition (Exams 220-1101 & 220-1102), 7th Edition

Mike Meyers' CompTIA A+ Guide to Managing and Troubleshooting PCs, Seventh Edition (Exams 220-1101 & 220-1102), 7th Edition

Mike Meyers

Publisher Resources

ISBN: 9781264711673