-The people participating in this forum are human beings, volunteers nonetheless, and not robots. -These individuals may not necessarily know the exact context of your problem, the specific hardware involved, the operating system version in use, the applications concerned, the exact conditions under which the issue arises... etc...
-It is always more pleasant to read a well-formulated request, with all the useful details to respond effectively, and above all, it is appreciated to read a request articulated with a minimum of civility, for example: -simple words like "Hello", "Hi", but also "Thank you", and even "Thank you very much", are particularly appreciated and encourage a response when known by one or the other of the participants.
not even audio in = inside so it's the sound from the PC that will go to the TV there you go moreover, it's not a TV (as we understand it) since it's actually a PC monitor equipped with a TNT tuner if of course exact reference (series M 22 or M24)