Professor Messer’s Free CompTIA A+ Certification Training Course – BIOS and CMOS

Professor Messer's Free CompTIA A+ Training Course

Chapter 6: BIOS and CMOS

What really happens when you start your computer? In this chapter, we’ll show you how the BIOS handles the most basic operations of your personal computer and how the CMOS stores all of your important configuration information. We’ll also show you how to use VMware Player or Microsoft Virtual PC to create a test lab on your computer where you can test your BIOS changes without modifying your PC settings.

BIOS and CMOS Overview (12:11)
220-601, Section 1.1


What really happens when you start your computer? In this video, we’ll show you how the BIOS handles the most basic operations of your personal computer and how the CMOS stores all of your important configuration information. We’ll also show you how to use VMware Player or Microsoft Virtual PC to create a test lab on your computer where you can test BIOS changes without modifying your PC settings.

CMOS Settings (13:04)
220-601, Section 1.1


Making changes to a personal computer’s BIOS can be a bit challenging the first time through. In this video, we’ll show you how to launch your BIOS configuration, provide you with some tips for navigating different BIOS options, and walk through some common CMOS settings found in most of today’s computers.

Upgrading and Troubleshooting the BIOS (18:20)
220-601, Section 1.1


A CompTIA A+ certified professional needs to recognize when a BIOS upgrade may be needed, the precautions to take when upgrading a BIOS, and what to expect when the upgrade is underway. In this video, we’ll take you through each upgrade step and show you how some simple planning can make your BIOS upgrades run smoothly from start to finish.



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