U-verse TV Equipment

Our remote control for U-verse won't bring up any functions(guide, menu, recording...) On the TV screen. Only the number pad works to change channels.

I’m trying to help my aunt to setup her UVERSE receiver, but after completing the initial setup screen with the gear icon, the process proceeds to the second screen with two gear icons before shutting down with the error message consisting of a red ‘X’ and the numeral 3. I’ve tried this process twic