My system:

  • MacBook Pro (15inch 2016)
  • Sierra 10.12.5.

has suddenly started exhibiting some unusual behaviour. The only thing that I've done lately in the settings was in relation to Accessibility and Zoom. I can't see how that has made the Touch Bar overflow into the bottom of the screen as well. Like so: touch bar bleeding into bottom of screen real estate

Does anyone know what I need to do to undo this?



Found the answer here: https://support.apple.com/en-gb/HT207258 I think there must be a Mac bug. I had never used Switch Control. It was off. But by switching it on then toggling the Switch Bar on and off via the Switch Control Home Panel > System I managed to finally disable the annoying thing.

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