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CompTIA A+ Certification Core 1 (220-1101) - Graphics Cards and Connections
Monitors don't create the images they display; that's the graphics card's job. Graphics cards come with different features and capabilities that a good tech understands very well. This clip is from the chapter "Book Chapter 17 - Display...
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CompTIA A+ Certification Core 1 (220-1101) - LCD Breakdown
The Liquid Crystal Display (LCD) is the dominant technology for today's monitors. A good tech should possess a deep understanding of how LCDs work and how to open and repair an LCD monitor. This clip is from the chapter "Book Chapter 17...
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CompTIA A+ Certification Core 1 (220-1101) - Monitor Technologies
There's more than one way to make a monitor, but they all share one very important common feature: the pixel. Once we understand that all monitors have pixels, it's easier to understand the different technologies you might find in a...
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CompTIA A+ Certification Core 1 (220-1101) - Installing and Troubleshooting Expansion Cards
Even though we live in a world of built-to-exact-specification systems, you will eventually need to install and possibly troubleshoot expansion cards. Let's look at the modern expansion card formats and then get hands-on and troubleshoot...
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CompTIA A+ Certification Core 1 (220-1101) - Common Peripherals
Peripherals allow us to expand our system to support new features such as printing, sound, and external storage. They also enable a wide array of input devices like mice and keyboards. Knowing how to identify each of them quickly is key...
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CompTIA A+ Certification Core 1 (220-1101) - Readers and Scanners
A broad cross-section of peripherals scans and read data. From flatbed scanners to barcode readers and card readers, these devices make our users' lives easier and more convenient. This clip is from the chapter "Book Chapter 10 -...
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CompTIA A+ Certification Core 1 (220-1101) - Optical Media
Shiny optical discs are an excellent media for transporting data and are still a very common tool for delivering drivers and configuration utilities for hardware. There's several different optical standards and it's critical to know that...
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CompTIA A+ Certification Core 1 (220-1101) - Thunder and Lightning
Thunderbolt and Lightning connectors are high-speed alternatives to USB. A good tech recognizes when these technologies are used, their unique connectors, and the benefits/weaknesses they have compared to USB. This clip is from the...
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CompTIA A+ Certification Core 1 (220-1101) - Configuring USB
Most USB devices work well fresh out-of-the-box. For those that don't, it's important to have a proper USB configuration process to make sure a USB device and all of its features work properly. This clip is from the chapter "Book Chapter...
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CompTIA A+ Certification Core 1 (220-1101) - Understanding USB
Why are there USB Type-A and USB Type-B connectors? Why do modern systems still provide older USB connectors when the latest USB perfectly supports older devices? It takes a good understanding of the USB standards to see how and why....
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CompTIA A+ Certification Core 1 (220-1101) - USB Standards
The Universal Serial Bus (USB) interface is the main peripheral interface these days. Make sure you're aware of different USB standards as well as the different types of USB connectors. This clip is from the chapter "Book Chapter 10 -...
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CompTIA A+ Certification Core 1 (220-1101) - Mass Storage Troubleshooting
Mass storage devices sometimes fail, resulting in the potential loss of critical data. A good tech knows the tools and procedures to diagnose and repair many mass storage problems. This clip is from the chapter "Book Chapter 9 -...
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CompTIA A+ Certification Core 1 (220-1101) - Encrypting Mass Storage
Securing mass storage is a critical aspect of system security. Make sure you know the many ways a system's mass storage can be encrypted. This clip is from the chapter "Book Chapter 9 - Implementing Mass Storage" of the series "CompTIA...
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CompTIA A+ Certification Core 1 (220-1101) - Software RAID in Storage Spaces
Microsoft's Storage Spaces feature provides a superb tool to configure many different RAID configurations on any Windows system. A good tech knows which types of RAID it supports and how to set them up. This clip is from the chapter...
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CompTIA A+ Certification Core 1 (220-1101) - Hardware RAID
Hardware RAID uses a purpose-built RAID controller to configure and maintain RAID arrays. It's important to understand the benefits of hardware RAID and how to configure and maintain RAID arrays. This clip is from the chapter "Book...
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CompTIA A+ Certification Core 1 (220-1101) - RAID
The Random Array of Independent (or Inexpensive) Disks (RAID) is a philosophy of using multiple drives working as a single drive – an array – for speed or redundancy. A good tech should understand the many RAID levels and the benefits...
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CompTIA A+ Certification Core 1 (220-1101) - Solid-State Drives (SSDs)
Solid-state drives (SSDs) are quickly replacing HDDs for mass storage needs on almost all computers. SSDs are faster and more robust than HDDs and come with their own maintenance needs. This clip is from the chapter "Book Chapter 8 -...
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CompTIA A+ Certification Core 1 (220-1101) - Magnetic Disk Drives
Hard disk drives (HDDs), which store data on rotating magnetic disks, have been the go-to mass storage media for decades. A good tech understands how this venerable media works and understands magnetic media's unique needs. This clip is...
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CompTIA A+ Certification Core 1 (220-1101) - Introduction to Mass Storage
Mass storage (disk drives and solid-state drives) store the operating system and applications. Despite the different technologies, systems talk to these many devices in similar ways. This clip is from the chapter "Book Chapter 8 - Mass...
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CompTIA A+ Certification Core 1 (220-1101) - Installing and Troubleshooting a PSU
Knowing how to install and troubleshoot errors with power supplies is essential. While it is generally a simple process, there are some things to look out for. Let's go through installing and troubleshooting a PSU together. This clip is...
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CompTIA A+ Certification Core 1 (220-1101) - Choosing a Power Supply
Power supplies come in a dizzying array of power ratings, sizes, and efficiencies. A good tech understands these factors to make sure a system has the power it needs. This clip is from the chapter "Book Chapter 7 - Power Supplies" of the...
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CompTIA A+ Certification Core 1 (220-1101) - The Power Supply
A PC power supply takes AC power from the grid and transforms it into DC voltage the system needs to run. This episode explores modular and non-modular power supplies. This clip is from the chapter "Book Chapter 7 - Power Supplies" of...
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CompTIA A+ Certification Core 1 (220-1101) - Installing and Troubleshooting a Motherboard
Installing a motherboard into a case is part science and part art. Science comes first. The motherboard must match the case's form factor, and the motherboard and parts must be compatible. Then, the art: the subtle crafts of preparing...
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CompTIA A+ Certification Core 1 (220-1101) - Choosing the Right Motherboard
The motherboard is the backbone of a PC. The type and model of motherboard that you choose can have a profound impact on your system and often determines which components you are able to use. What should you look for when picking out a...