Is your home entertainment center less than thrilling? Do all those wires make you nervous? No need to fear. This week, tv.com offers advice on HDTV tune-ups. Learn how brightness, lighting, contrast, and color—among other things—can make a huge difference in the quality of your viewing experience. Though the tips cover many important topics, they are geared toward the beginner. The secret? Don’t settle for the default settings. Make your TV viewing experience the best it can be, this holiday season and beyond.

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