A:AnswerHello midway, HDR means High Dynamic Range. When this proprietary technology and other picture-enhancing features are paired with sources of HDR content, it produces the greatest benefit to picture quality.
A:AnswerPut a light against the screen and move it around. If u can see a picture your back light is out. About $125 part and $175 labor. Better off getting a new one.
A:AnswerHello Melissa, yes you are able to connect an Xbox 360 to this TV. Please give us a call at 1-855-544-2030 so that we may advise further on this.