Your TCL TV's default settings aren't that great. A few quick changes can make a suprising difference at home.

It made driving less frustrating ...

Your Roku has hidden settings and menu screens - here's how to unlock them ...

You can customize your LG TV even further through this secret settings menu.

Follow ZDNET: Add us as a preferred source on Google. Whether you're considering buying a new TV or your old flat panel seems to be doing fine, there are still ways to optimize your viewing experience ...