Last November I bought an HP 42" LCD TV, but I can't get the optical audio out to work on it. I'm trying to hook my cable box up to my television's HDMI in and my TV's optical out to my receiver's ...

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The rise of the soundbar has made it easier than ever to upgrade the audio for any TV, new or old. I’ve been testing home theater gear for many years, and can’t imagine setting up a TV without one.

You've got a nice new TV and a slick, high-end soundbar (such as the Sonos Beam, which we recently reviewed), and you're ready to plug it in and start watching your favorite movies. You look at the ...