A:AnswerYour TV may only take 3.0 and above versions of the USB. This is a 2.0. Try a 3.0 USB to see if the TV will take that. If that doesn't work, then you are not activating the USB somehow or there is something wrong with the USB port on the TV
A:AnswerI do not think Best Buy offers discounts though this medium for large purchases. You would have better luck reaching out to their corporate support.