Have TV Questions? Ask a TV Technician
Hello, and sorry you're having problems. We are now connected on this website- which saves you money over having a Tech come to your home, and in many cases we can fix the problem you're having.
Offhand it doesn't sound like the TV was originally setup properly. The initial internet setup and connection test would need to be run through in the TV's setup MENU is order for it to recognize your internet connection and access internal apps.
Additionally to use an antenna, the TV must be set to ANT, then a channel scan run to find available channels and then you will be able to view them. Did you perform a setup of the TV in either of these methods yet?
Let's looks at these steps one at a time:
There is a link below to follow for setting up an antenna to the TV and then running a scan:
Next is a link that shows how to setup the internet on the TV:
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Please check what's posted above and let me know if you need more help beyond that.