How to Set Up HDTV & Comcast

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Comcast is a company that specializes in providing cable television service (among other products) to homes and businesses. If you have a high-definition television set installed in your home, you can view programming in the HD 1080i resolution using your Comcast service. This won't just happen automatically, though -- there are a few things you must do before you can enjoy the wonders of high definition through Comcast.

Things You'll Need

  • Comcast cable television service
  • HDTV
  • HDMI or composite video cables
  • Call Comcast (see References) and tell the customer service representative that you speak to that you'd like to add high-definition channels to your service plan. Not all programming is offered in high definition by Comcast, just a select group of channels. You will have to pay extra in order to get these channels, as well as rent a special HD-compatible cable box from the company.

    If you already have Comcast service and are adding HD channels to your plan, you'll have to wait a few days for a customer support technician to bring the appropriate HD-compatible cable box out to your home for installation. If you are signing up for a Comcast account for the first time, the customer support technician will bring the HD box with him at the time of service installation.

  • Plug your Comcast HD cable box into a wall outlet. This is so the box has the power to operate.

  • Connect your Comcast HD cable box to a wall cable jack using a coaxial cable. This cable will have been provided for you by the customer support technician at the time of installation. Simply screw one end of the cable onto the coax wall jack and the other end of the cable onto the coax jack on the back of the cable box.

  • Connect your Comcast HD cable box to your HDTV using either an HDMI cable or composite audio/video cables. These are the only two types of audio/video cables that will allow you to experience a true high-definition picture.

    If you're using an HDMI cable, one end of the cable plugs into an HDMI input on the back of your TV, and the other plugs into the HDMI "OUT" jack on your cable box. This cable carries both audio and video signals.

    If you're using composite audio/video cables, plug one end of the cables into the appropriately colored inputs on the back of the cable box. The red cable goes into the red input, the yellow into yellow, etc. Then, plug the other end of the cables into the appropriately colored inputs on the back of your HDTV.

  • Switch your HDTV to the correct "input." To do this, press the "Input" button on your HDTV's remote control until you reach the designated input for either HDMI or composite cables (depending on which you are using). Next, tune your cable box to one of the high-definition channels (check your local listings) and enjoy high-definition television service through Comcast.

References

  • Photo Credit Jupiterimages/liquidlibrary/Getty Images
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