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Forums › Mac OS › M1 macbook pro with dual montiors
waikariboy

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#290103 21-Oct-2021 10:25
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got me a new m1 macbook pro for work and dual montiors are not working. Anyone go a fix for this. Items that work.

 

 

 

Have have Bekin Thunderbolt 3 dock pro. One monitor in display port and one connected though USB C.




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Linux
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  #2798536 21-Oct-2021 10:30
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Guy at work is using dual monitors on his M1 will ask him and see what advice he can give!



Nate001
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  #2798537 21-Oct-2021 10:31
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Assuming dual external?

 

How are you connecting them, daisy chain? Both off a dock? One monitor on each USB-C port on laptop?

corksta
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  #2798538 21-Oct-2021 10:31
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Might need a few more details? What's not working, one monitor? Both? How are you connecting them?




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  #2798587 21-Oct-2021 10:34
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You need to purchase a displaylink enabled adapter

aseni
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  #2798591 21-Oct-2021 10:39
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M1 doesn't support driving two screens on USB-C Alternate Mode, you will need a USB DisplayLink adapter to drive the second screen...

 

https://www.macworld.co.uk/how-to/how-connect-two-or-more-external-displays-apple-silicon-m1-mac-3799794/

waikariboy

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  #2798596 21-Oct-2021 10:48
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update op. 




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Dairyxox
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  #2798731 21-Oct-2021 12:15
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That dock you have will not support 2x external displays with an M1 powered Mac because it lacks the earlier mentioned displaylink logic.

 

Belkin's own support page says as much:

 

https://www.belkin.com/us/support-article?articleNum=317939

 

Basically your current dock is just passing through the thunderbolt signals back to the laptop, with all their current limitations.

 

Other docks with displaylink capability are akin to plugging in a weak/basic graphics chip that can drive more screens.

waikariboy

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  #2798747 21-Oct-2021 12:51
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Linux:

 

Guy at work is using dual monitors on his M1 will ask him and see what advice he can give!

 

 

 

 

Thanks, would like to know you can provide the brand or model so I can get back to normal. Apple said something about software update to fix this but nothing.




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Dairyxox
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  #2798789 21-Oct-2021 14:04
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There are lots. Dell & HP, Targus, Kensington  (don't have model number for recent models handy)

 

From Belkin's website: models that support displaylink: https://www.belkin.com/us/support-article?articleNum=317395

 

  • Belkin USB-C Dual Display Dock, INC002
  • Belkin USB-C Express Dock 3.1 HD (USB Type-C), F4U093

 

 

https://www.pbtech.co.nz/product/NBDKEN4900/Kensington-SD4900P-USB-C--USB-30-Triple-4K-Docking

 

https://www.pbtech.co.nz/product/NBDTAR310/Targus-DOCK310-USB-C--USB-30-Dual-4K-Docking-Stati

 

https://www.pbtech.co.nz/product/NBDDEL1714/Dell-D3100-USB-30-Single-4K-Docking-Station-DP-x1

 

https://www.pbtech.co.nz/product/ADPHDT3983735/HP-1PM64AA-Portable-Docking-Station-USB-C-Mini-USB

 

 

phrozenpenguin
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  #2805205 1-Nov-2021 11:40
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You could upgrade to one of the new MacBook Pro's that do support multiple external displays...

bendud
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  #2807040 3-Nov-2021 21:50
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I had a 13' M1 MBP, running 2 ext monitors using a DisplayLink compatible small Satechi dock - one via USB-C to the laptop, and the other by HDMI from the Satechi dock.  

 

I'm fortunate enough now to have a 14' MBP, and it's much more flexible for outputs.

 

b




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