A personal computer’s power is one of its most important resources. In this video, you learn how to install, configure, and perform an initial test a PC power supply.
CompTIA A+ 220-702: 1.1 – Installing and Configuring Power Supplies Read More »
Without the supply of power, your computer won’t have much to do. In this video, you’ll learn about power supply standards and how different connectors are used to power the components inside of modern personal computers.
One of the best ways to solve a computer problem is to avoid it in the first place. In this video, you’ll learn some common ways to keep your computer in peak operating condition.
CompTIA A+ 220-701: 2.5 – Preventive Maintenance Read More »
The popularity of portable technology has created a constantly moving computing environment, and it has brought with it a number of unique challenges. In this video, you’ll learn the troubleshooting skills necessary to solve problems related to portable power, video, keyboards, wireless networks, and much more.
CompTIA A+ 220-701: 2.4 – Diagnosing and Troubleshooting Laptops Read More »
The power supply in your computer has failed, and you need to get the system up and running again. What’s the best way to repair the power supply?
The installation is over, but there’s more left to do! In this video, you’ll learn how to manually install drivers with the Windows Device Manager, configure virtual memory, optimize power use, and manage peripherals.
CompTIA A+ 220-701: 3.3 – Post-Installation Tasks Read More »
You are installing a new computer at a remote office in another country. What’s the best way to determine the voltage of the wall outlet power source and how can you configure the computer for best results?
You’ve upgraded the power supply of a computer a week ahead of a video card and hard drive upgrade. However, when the computer is powered on, all of the components are functional except for the DVD-RW drive. Prior to the installation, you checked the voltage at the wall outlet and the voltages coming from each output from the power supply. What is the most likely cause of this faulty DVD-RW drive?
You’ve arrived for work in the morning and powered up your computer. Instead of the normal start screen, the screen is blank and no sound is heard from the computer. The monitor lights are on, but the computer lights aren’t lit. What is the most likely cause of this problem?
You’re having a problem that you think is related to power. You’re not sure if the problem is related to the voltage from the wall receptacle or if it’s an issue with your computer’s power supply. What tool would help you troubleshoot this issue?
