Any new TV, even a top-tier one, can look better after a few quick adjustments. And you don't need any special equipment, either. For most adjustments, you can judge the results with your own eyes.

So you've got a new Samsung TV. Maybe it's the Samsung S90F or one of the Samsung options on our list of best TVs. Any of those, as well as any other Samsung TV, needs a few adjustments to look its ...