HDMI cables have simplified our electronic lives, but things get tricky when those cables have to cover a long distance.

So you want to share photos, watch videos, or play computer games on the expansive screen of your HDTV? On one hand, this is a really simple how-to: use HDMI! That, of course, isn't the whole ...

From HDMI to wireless casting, here’s how to get your computer screen onto your TV.

If your Windows computer screen goes black & white when HDMI is plugged in, reinstall the display driver, perform calibration, reset control panel settings, etc.

Let's say you want a second screen for your Mac to extend or mirror your current display. If you're running macOS Catalina or higher and own an iPad, you can do it through a feature called Sidecar.

Here's yet another option for wirelessly mirroring your computer screen to another display, but don't worry: This one is rather impressive. Airtame, the creation of a group of Danish folks, is an ...