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Froggiess · 01-30-2020, 03:02 AM

Hello:

I have a Lenovo thunderbolt 3 dock with a MacBook Pro. I have two DisplayPort to HDMI monitors connected to the dock. The Macbook connects to the monitors without an issue. However, the desktop is mirrored on both (basically as if it was one monitor) and there is no option to extend to these two additional displays. Under System Preferences / Monitors it only shows one. Is there a setting somewhere that I am missing?

This works fine with a Windows machine.

01-30-2020, 03:02 AM	#1
Froggiess Junior Member Join Date: Jan 2020 Posts: 2	Only one monitor showing Hello: I have a Lenovo thunderbolt 3 dock with a MacBook Pro. I have two DisplayPort to HDMI monitors connected to the dock. The Macbook connects to the monitors without an issue. However, the desktop is mirrored on both (basically as if it was one monitor) and there is no option to extend to these two additional displays. Under System Preferences / Monitors it only shows one. Is there a setting somewhere that I am missing? This works fine with a Windows machine.