I have a new 70 inch Vizio TV and I have an Amazon Fire TV (Gen 1) with Plex installed. When I am navigating the menu it fills the entire screen. When I play a video, no matter the size or quality (480p or 1080p or anything in between), the video does not fit the entire screen.The left side and top of the screen have a grey area (See attached image). I have tried to edit TV settings, Plex settings, AFTV settings, etc. but I can't seem to get it to scale to full screen. I don't have an issue playing video through the Chromecast. It seems to be isolated to the AFTV.
I am currently on Plex Version 1.2.4.2949.
Has anyone run into this before? Does anyone have a fix?