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Why can't I enable MST (daisy chain) function in Extend Mode on my MacBook?


If Mac/MacBook with Mac OS is connected to monitors with Thunderbolt 3 to DisplayPort cable, MST (daisy chain) function can only be enabled in "Mirror Mode".
MST (daisy chain) function can be enabled in both Extend and Mirror modes with below conditions:

Applicable Models

PD2500Q 25 inch 2K QHD IPS DesignVue Designer Monitor, PD2700U 27 inch 4K IPS HDR DesignVue Designer Monitor

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