Why is there a “muting” bar appearing on the screen?
Our 2019 Sony Bravia 65” 900F has started to display a black bar with “muting” showing, although the TV isn’t muted. We can’t seem to get rid of it. What to do?
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looks like software bug. Try 'unplug' power to tv. Wait for 5 min. With unplugged -> press powerbutton. Now try switch on.
If it does not solve. Then go and reset TV..