No juice, no pulp

You’ve just installed a new power supply, but you notice that your DVD-ROM drive is not receiving any power. Which of these would be the best next troubleshooting step?

A) Swap the power supply for a brand new model

B) Replace the power supply for one with a higher wattage rating

C) Use a multimeter on the DVD-ROM Molex connector

D) Replace the DVD-ROM drive

E) Maybe you can download everything from now on

The answer: C) Use a multimeter on the DVD-ROM molex connector

Before you begin swapping hardware, it would be useful to know the extent of the problem. By measuring the power provided to the DVD-ROM over the Molex connector, you can determine if the power supply is sending the expected power or if the DVD-ROM might be faulty.

Want to know more? Watch “Troubleshooting Power Supplies.”

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.