Most modern TV screens have a 16:9 (or 1.78:1) aspect ratio. However, movies made for theaters are shot in even wider formats, like 2.35:1. Since that's wider than your TV screen, you see those ...

Before we get into why your TV screen may be failing, we'll say that if the unit is still under warranty, don't rush to call in a repair tech. Many troubleshooting tips are very simple and require ...

In short, the black bars appear because the video's aspect ratio doesn't match your TV's. While companies like LG have released 21:9 TVs in the past, they have never really caught on.