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The Prime Docking Station 14-Port (Model DL7400) does not support dual extended monitor usage with a MacBook Air 2020 running macOS. Devices running macOS only support Single-Stream Transport (SST) mode, which means that if you connect multiple monitors to the dock, the monitors will only mirror the MacBook screen, not act as individual extended monitors. If you want to achieve extended displays with your MacBook, you would need a docking station that utilizes DisplayLink technology, as this can enable extended mode for multiple monitors on a MacBook. Do note that DisplayLink-enabled docks require the installation of the DisplayLink driver and enabling the Screen Recording permission during installation. These steps are necessary for the extended display functionality on macOS.
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