Just about every TV accessory needs an HDMI cable, but not all of them can output 4K. Here's how to tell if yours is capable.

Most HDMI issues are caused by cables, wrong input selection, or driver errorsTesting with another device helps identify ...

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 ...

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, ...

For some Mac systems, HDMI output using various adapters has resulted in no audio or even no video after updating to OS X Lion. Here are some options that may help. Topher Kessler MacFixIt Editor ...

This guide will ensure you get the most out of your $500 gaming system, which may be capable of reaching higher resolutions ...

If you're trying to connect your display to something far away or just don't want to deal with the hassle of wires, you may ...

Have you turned on your PlayStation 4 only to be greeted by a black screen? Or maybe you see a “No Signal” error? An unresponsive PS4 HDMI port can be incredibly frustrating, but don’t worry – the ...

There are a few Apple TV HDMI settings that you can tweak to improve your television's picture quality and improve your Apple TV experience.

I actually experienced the exact same issue with my Windows 8 install on an ASRock CoreHT 252B Mini PC, which acts as my HTPC. Probably the same or similar as you, I'm outputting both video and audio ...

Your Android phone's High-Definition Multimedia Interface output enables you to transmit videos to any high-definition television in your office including one in a ...