USB ports have quietly turned into the default power outlet for phones, laptops, headphones, and even monitors, but the wattage behind that familiar rectangle is far from uniform. Depending on the ...

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," ...

My MacBook Air has two USB-C ports on it, plus a headphone jack. One of the ports has the power plug in it, the other has my mouse bluetooth connector. When I want to backup files to a thumb drive, I ...

Your USB audio port can be surprisingly useful--giving you even better sound than your computer's regular audio output. Here's how to use it. Eliot Van Buskirk Evolver.fm Editor Eliot Van Buskirk has ...