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Many Vizio TVs will have an entire submenu called clarity. The sharpness control should be set at or close to zero. This is because the sharpness control doesn't "add" sharpness; it adds edge ...

To change this setting, go to All Settings, Picture, and Picture Mode. Then simply test these modes to see which you prefer.

Next, let's change your keyboard layout. It won't improve your Apple TV's performance, but it will improve the experience. The default linear keyboard forces you to scroll through rows of letters -- ...