Not a Touch Bar model, but is this the same problem? 2016 MacBook Pro, approx 5mm black bar across the entire base of screen only noticed in recent days…
[image|1770907]
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=== Update (05/21/2019) ===
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For what it’s worth… I took mine (MBP 13” 2016) with this issue into Apple and it was replaced under warranty.
Not a Touch Bar model, but is this the same problem? 2016 MacBook Pro, approx 5mm black bar across the entire base of screen only noticed in recent days…
[image|1770907]