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Hello, To help, I need to know the Make and Model off of the front of the Cable Box. There's many different options out there.
Also when you turn on the TV do you see the RCA Welcome screen show up please?
Thank you. Are you trying to use an HDMI cable from the box to the TV?
Okay, I'm not there to see what you're trying- so I need details. I need to also know if when you first turn the TV on IF the RCA welcome screen shows up. If it does NOT then you have a defective TV.
No, cables are not included- you need to buy them. First I need to know for sure if that Welcome Screen shows up- since anything else we try will be futile if it does not.
Okay, the salesman would not know what cables you need since there's about a half dozen different ways to connect cable boxes, etc. If nothing displays on the TV however this is a faulty set and yes you would need to return the set to the retailer I'm afraid. This indicates a hardware defect.
I'm sorry for the bad news and wish there were a quick fix.
If you need further assistance let me know. Please do not forget to click the 5 STAR RATING, at the top of the page for my efforts. It is my livelihood and you can follow up at any time if needed.
You would need an HDMI (High Def) cable with that cable box and any new TV when you go back to the store.
Also, let me go back a bit- You stated earlier you were able to get various screen about "Setup"- IF so, then you need to simply connect that cable box to the TV using an HDMI cable, then use the INPUT button on the RCA remote and select "HDMI 1, 2, etc."- whichever one you're plugged into.
So you need to buy that "HDMI" cable (it costs around $15), and change the Input on the TV using the RCA's "INPUT" button.
Do you need further assistance with this?If not, could you please click the 5 STAR RATING, at the top of the page for my efforts? It is my livelihood and you can follow up at any time if needed.