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.

These days, if you need to connect two devices via wire, you'll most likely use HDMI. This display protocol supports all sorts of device pairings. It lets you use your iPhone with an external display, ...

Apple's updated entry level white MacBook now supports audio and video output via its Mini DisplayPort, enabling users to drive an HDMI HDTV using a single cable or adapter. Support for audio output ...

A reader asks Dr. A why he can't view some of his material on the TV he bought. Lots of people run into this problem, so we figured we'd take it to Dr. A for a solution. Q: I have an HDTV that only ...