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 story.

Swap the cable to another device to see if the cable or device is faulty. Inspect the HDMI for frays or exposed wires; braided cables resist damage better. Troubleshooting isn't always fun, but it ...

Know how to connect your Windows laptop or MacBook to a TV, using either a cable or wireless method, quickly and easily.

I connected my Samsung S9 to a projector today (USB-C to HDMI dongle), and I expected to see my phone screen, or at least the same thing on both screens. What happened instead is my phone screen looks ...