While using a digital multimeter to diagnose electrical problems on customers’ equipment, I frequently hear the comment, “I’ve got one of those multimeter things, but I never learned how to use it.” ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? A digital multimeter is an indispensable tool for testing, diagnosing, and ...

In this video, learn how to safely test your home’s electrical outlets using a multimeter. Multimeters are a good way of measuring the voltage output that the outlet gives, among other things. Before ...

Locate USB Controllers: In the Device Manager, scroll down and expand the "Universal Serial Bus controllers" category. Access USB Port Properties: Right-click on an entry named "USB Root Hub," ...