Hi, I have this decent issue that it may be asked by someone. You can briefly link me to the solution post/comment. Additionally, I will describe the problem. I have an Early 2011 macbook pro on MacOS Sierra. It happens to me today when I pluged in all the cables require for mirroring the macbook screen to my Samsung Series 7 Smart TV. The displaying function had no problem in the past when I used Vizio TV. It is just troublesome for Samsung TV somehow. I need a solution ASAP.
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