louis10 - Just to cover the bases because it sounds like you have only one TV- You did NOT reuse the same wire to connect the new TV to the U-verse DVR. You did use an HDMI cable. You did also connect the TV to the internet via wireless or a cat5 cable. You did set the aspect ratio 1080 - menu - options - system options - TV screen res. You are watching/recording chans 1xxx. Also, cancel your old ones. Unless you already have U450 you arranged to add HD service to your account (perhaps a free trial).
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