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, ...

I set my Sharp to the HDMI input, Dot bu Dot to get the nice 1:1.<br><br>I did this on my desktop before via DVI to HDMI and it worked perfectly.<br><br>On my laptop it is not.<br><br>There is a black ...

If your TV keeps flickering or shows random signal errors, your HDMI cable might be to blame. Here's how to know when it's time for a new one.