If your smart TV isn't looking or sounding its best, the fix might not be a new TV but a few simple HDMI changes. With the right tweaks, you can unlock sharper images, better colors, and richer sound ...

Before we talk about the advanced level of troubleshooting, let’s get a few things straight. First, Make sure your HDMI cable is not at fault. You can try it with another computer or another TV.

The options do show up for 5.1 and 7.1 under my monitor, which is strange as it has no speakers. Check the receiver settings. If it is configured for stereo on that HDMI channel, that is all it will ...