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Troubleshooting Laptop Issues – CompTIA A+ 220-802: 4.8

The small form factor and mobility of a laptop creates some unique technical support requirements. In this video, you’ll learn about troubleshooting LCD video, external monitor issues, input problems, power issues, and challenges with wireless antennas in laptop computers.

Not that kind of bar code

One of the computers on the manufacturing floor is having problems with the barcode reader that inventories all new products. Which of these interfaces would most commonly be used with this reader?

CompTIA A+ 220-701: 1.9 – Adapter Cards

With adapter cards, we can customize our computers, add new capabilities, and upgrade their features. In this video, you’ll learn about adapter card architectures and the use of adapter cards to extend computer video, multimedia, I/O, and communications.

CompTIA A+ 220-701: 1.2 – BIOS and CMOS

We rely on the BIOS to test our computer and start our operating systems, but what is really happening under the surface? In this module, you’ll learn about the BIOS works and we’ll demonstrate the basics of starting and configuring BIOS settings.