Quote:
Originally Posted by flatron0815
Same issue on my Macbook Pro 13"
Macbook Pro: 13", 2017
macOS version: 10.14.6
DisplayLink driver: 5.2 (15)
The Desktop get mirror on the 2nd external screen connected via DP and daisy chain from 1st Dell monitor to 2nd Dell monitor but not extended.
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What you describe is a DisplayPort MST setup, also referred to as daisy chaining. macOS does not support DisplayPort MST setups with multiple displays. That is why both displays in the chain are mirrored. To put that another way, the behavior you are seeing is the result of an operating system limitation.