TV not responding well to IR remote commands
The Vizio Television SV472XVT responds intermittently to remote commands for mute and volume yet seems to respond ok for VIA (menu for apps) and TV settings. I have the original Vizio TV remote, a Comcast X1 remote and a Harmony remote and all give the same results so it is the TV that is the problem. I have unplugged the TV and restarted it. I haven't reset to factory defaults because the picture is calibrated and very good. Input is by HDMI cable from an AVR receiver. The problem started about a month ago and has become worse but the sound buttons on the TV work fine. Seems like a firmware problem to me. Will a reset to factory defaults affect this? Any other ideas? thanks.
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