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volleronline · 06-15-2021, 01:54 PM

My laptop: Mackbook Pro M1 - 13 inch

Docking Station: Dell WD19

Monitors: Dell 24 Inch - S2421HS

My external monitors show the same mirrored display. It's extended but both displays show the same picture.

Laptop is open and display on laptop is fine.

One monitor is plugged into DisplayPort port.

One monitor is plugged into the back port next to the HDMI port (so, is that the thunderbolt port?) -- It is plugged into a secondary portable USB-C dock and from there connected to HDMI.

Am I plugging into the correct port? Do I need a cable that goes direct from thunderbolt/usb-c to HDMI?

Would really love to make use of both of these lovely monitors!

Thanks!

06-15-2021, 01:54 PM	#26
volleronline Junior Member Join Date: Jun 2021 Posts: 5	Dell WD19 Dock + Dual Dell 24 Inch Monitors My laptop: Mackbook Pro M1 - 13 inch Docking Station: Dell WD19 Monitors: Dell 24 Inch - S2421HS My external monitors show the same mirrored display. It's extended but both displays show the same picture. Laptop is open and display on laptop is fine. One monitor is plugged into DisplayPort port. One monitor is plugged into the back port next to the HDMI port (so, is that the thunderbolt port?) -- It is plugged into a secondary portable USB-C dock and from there connected to HDMI. Am I plugging into the correct port? Do I need a cable that goes direct from thunderbolt/usb-c to HDMI? Would really love to make use of both of these lovely monitors! Thanks!