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.
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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. |