Daisy chain older Thunderbolt2 displays to my new MacbookPro not working

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Daisy chain older Thunderbolt2 displays to my new MacbookPro not working

I'm trying to daisy chain 2 older Thunderbolt2 displays (A1407) to my new MacbookPro (thunderbolt3) with the Apple branded adaptor and it isn't working. I can connect one at a time fine, but if I daisy chain, one monitor is blank, the other distorted. If I reverse the order of the monitors the effect reverses, the one that was distorted is now blank, etc.

I'd connect each monitor directly (with a 2nd adapter), but then I'm left with zero ports to power the laptop.

I've updated the OS to the latest. Not sure what else to do but it seems from other board posts this configuration should be possible.

Posted on May 10, 2021 1:09 PM

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Answer 1

Heather_EM Author

Level 1

8 points

May 10, 2021 3:39 PM in response to Grant Bennet-Alder

That would be a big bummer considering my old macbook pro worked just fine in that configuration. :-(

Do you think a docking station would help? I was just looking at that possibility. https://www.apple.com/shop/product/HMX12ZM/A/caldigit-ts3-plus-dock?afid=p238%7Cs1JHZjKSn-dc_mtid_1870765e38482_pcrid_500452390989_pgrid_85992530854_&cid=aos-us-kwgo-pla-btb-catchall--slid---product-HMX12ZM/A

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Answer 2

May 10, 2021 3:31 PM in response to Heather_EM

I think you have answered your own question.

That entry-level MacBook Pro is simply "not enough computer" to drive two 27-in ThunderBolt-2 displays and charge at the same time.

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Daisy chain older Thunderbolt2 displays to my new MacbookPro not working

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