From the course: CompTIA A+ Core 1 (220-1101) Cert Prep

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Troubleshooting firmware

Troubleshooting firmware

From the course: CompTIA A+ Core 1 (220-1101) Cert Prep

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Troubleshooting firmware

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- If you're looking for trouble on your computer, one of the last places we're going to be looking is on your onboard firmware. This stuff is like a tank and as long as you don't abuse it, I've had thousands of systems that I've serviced that over their entire life. I never, ever once had to deal with problems with the BIOS. I've gone into BIOS, gone into system setup a lot, but in and of itself it's pretty safe stuff. Now, before we dive too deeply into some of the problems we do run into with firmware, the first thing I want to do is talk about a little bit of terminology because people use the words like UEFI and CMOS and firmware and BIOS and all these different words, and I just want to make sure we're good and tight on this because the problem we run into is that this stuff's been around so long that we're kind of suffering from things that were true 30 years ago, even today. Let me give you an example. First of all, here's a picture of one of the first firmwares on any…

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