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Turn your cable box off by pressing Cable button followed by Power button on the remote. Don't turn off the power supply to HD cable box. Then hit the Menu button on your comcast remote. Select output to 1080I and turn 4:3 override off. Expeiment between 16/9 and 4:3 for best results.

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9y ago
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9y ago

You'll have to call Comcast technical support and set up an appointment for a tecnician to come and program the box.

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14y ago

You will need to use a Cable Company converter box and call the CC and order the HD tier.

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14y ago

program remote

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13y ago

you do the s-t-x guide

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Q: How do you set up a cable box?
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