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J

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2 Posts

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October 15th, 2023 17:44

Connecting three external monitors to Macbook Pro 2019 with Dell WD22 dock

Hi,

I am trying to connect three external monitors to one port on my Macbook Pro in clamshell mode, but the best I can get to is two extended displays and the third only mirrors the second.

My set up is as follows:

[U]Macbook[/U]

Macbook Pro 2019

tech specs MacBook Pro (16-inch, 2019) - Technical Specifications (UK)

- 2.3 GHz 8-Core Intel Core i9

- AMD Radeon Pro 5500M 4 GB

- Intel UHD Graphics 630 1536 MB

- 4x Thunderbolt 3 ports

- MacOS Ventura 13.6 (22G120)

[U]Software[/U]

DisplayLinkManager 1.9.0 (Build 148)

- 'no DisplayLink-enabled display detected'

[U]Displays[/U]

3x Dell U2520D (2560 x 1440, 25")

[U]Dock[/U]

Dell WD22TB4 dock

2x Displayport cable from monitor to dock

1x USB-C cable from monitor to dock

I read that you can use DisplayLink software to compress output and connect more than two displays to a single Thunderbolt port. However, I cannot get it to work.

Can any of you experts please advise? If the Dell WD22 won't work for whatever reason can you suggest a dock that will?

Many thanks.

10 Elder

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43.8K Posts

October 15th, 2023 19:42

Do you have the latest DisplayLink macOS software?

There is a recent firmware update for the dock, but does it matter if you're using a Mac? You'd have to install it using a Windows PC, even if it does support macOS.

1 Rookie

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2 Posts

October 20th, 2023 08:23

I am told that the Dell WD22TB4 docking station does NOT have DisplayLink USB video technology so I cannot use this software workaround to connect 3 screens to one port on my Mac. 

I am also told my Macbook Pro is limited to two screens per Thunderbolt port, hence the need for the DisplayLink software workaround.

I will have to return the Del WD22 dock.  Do any of you have a link to alternative products that DO have DisplayLink technology?  Either Dell or another manufacturer.

10 Elder

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43.8K Posts

October 20th, 2023 19:05

See if there's anything helpful here...

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