volume goes from on to mute 4 times a second.

volume goes from on to mute 4 times a second. My lg 4k tv volume goes from on to mute 4 times a second. Iv tried a hard reset. Cannot access any menus and have a "select the menu" screen which will not go away even after hitting AV reset...any suggestions? Im losing the plot here ANSWERS:
Asked by: Guest \| Views: 239