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, ...

A few days ago, my building was struck by lightning, which fried my cable modem, router and DVR. As far as I can tell, the only other casualty is the HDMI connection between my TV and homebuilt PC.

If you keep seeing a blank screen on your monitor with a No Signal error message, this post will help you. Some Windows users have reported that after booting their ...

Your Roku can technically plug into any HDMI input, but the specific port, cable, and settings you choose can quietly cap your resolution, break HDR, or even trigger copy‑protection errors that leave ...