outlet Archives - Professor Messer IT Certification Training Courses

Hardware Troubleshooting Tools – CompTIA A+ 220-901 – 4.1

CompTIA A+ 220-901 / December 28, 2015

To fix your computer, you’re going to need the right tools. In this video, you’ll learn about multimeters, power supply testers, loopback plugs, and POST cards.

CompTIA A+ 220-702: 1.2 – Troubleshooting Power Supplies

CompTIA A+ 220-702 / July 23, 2010

Troubleshooting power supplies requires some specialized tools and some common troubleshooting techniques. In this video, you’ll learn about circuit testers, the value of a good multimeter, and how to use these tools to troubleshoot power outlets and power supplies.

What voltage is this?

CompTIA A+ Pop Quizzes / March 24, 2010

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?

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What tool can diagnose power connections?

CompTIA A+ Pop Quizzes / September 6, 2009

One of the computers in your lab is having problems with power, and you suspect that the issue is related to the voltage provided at the power outlet. What tool can help you diagnose the exact voltage at the outlet and inside the computer?

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