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why does my thunderbolt 3 (usb-c) to thunderbolt 2 adapter not work with my cinema display

its a new Mac mini m-1 and my thunderbolt 3 to thunderbolt 2 adapter does not work on my cinema displays, 27" or 23"

Mac mini, OS X 10.10

Posted on Feb 20, 2021 1:18 PM

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Level 7

22,975 points

Posted on Feb 21, 2021 1:06 AM

The Thunderbolt adapter work only with Thunderbolt displays. (Lightning bolt icon on plug, no USB cable)

For a non-Thunderbolt display (No Lightning bolt icon, USB cable) you need a USB-C to Mini DisplayPort adapter, such as:

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3 replies

Best reply

Level 7

22,975 points

The Thunderbolt adapter work only with Thunderbolt displays. (Lightning bolt icon on plug, no USB cable)

For a non-Thunderbolt display (No Lightning bolt icon, USB cable) you need a USB-C to Mini DisplayPort adapter, such as:

Level 1

9 points

My thunderbolt 2 adapter now gets a unsupported device when I try to use it. I don’t think it’s compatible anymore. 😞

Thank you

why does my thunderbolt 3 (usb-c) to thunderbolt 2 adapter not work with my cinema display