Reader Mike ordered a new Dell system that came with a 21.5-inch LCD monitor. Although the monitor includes VGA, DVI, and HDMI inputs, it included only a VGA cable–even though the setup instructions ...

HDMI is a popular way to stream video and audio via cable, but it's not universal. That's when these adapters come useful.

HDMI splitter for multiple displaysAn HDMI splitter allows one HDMI source to display the same content across several screens simultaneously. This device is commonly used in restaurants, electronic ...

Melita Fogarty told me, “I would like to set up two monitors, but my PC only has one port. Is there an adapter I can buy to make this work?” You can work far more efficiently with two—or better ...