Can't connect my 30" Cinema HD Display to my Macbook Pro 2018 via a DVI to USB-C adapter. Backlight flashing for a second.

Hey I recently got my hands on an old 30" Cinema HD Display (M9179) which I wanted to use as a secondary display for my Macbook Pro 2018. To connect the monitor to my Macbook I bought an USB-C to DVI adapter. The Cinema HD Display works with my old PC with a DVI connection on the graphics card, it just does not want to work with my Macbook though.


When I connect both devices the following happens:

  1. The Macbook display goes black for a second like when every other monitor is connected (good)
  2. The backlight of the Cinema Display lights up for a second
  3. The backlight and the small LED turn off for a second
  4. The small LED turns back on

Here's a video of that (it's a bit hard to see the backlight turn on): https://youtu.be/jLzHyzaJaxY


The Cinema HD Display is recognized by the Macbook event after the backlight turns off again.

I already tried out my USB-C to DVI adapter with a different monitor, which worked. So it probably also can't be at fault.




The USB-C to DVI adapter I used: https://www.amazon.de/Thunderbolt-Adapter-m%C3%A4nnlich-weiblich-Konverter/dp/B0768RFQ83/ref=sr_1_3?__mk_de_DE=%C3%85M%C3%85%C5%BD%C3%95%C3%91&keywords=usbc+to+dvi&qid=1572262708&sr=8-3


MacBook Pro 13”, macOS 10.14

Gepostet am 28. Okt. 2019 04:52

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Can't connect my 30" Cinema HD Display to my Macbook Pro 2018 via a DVI to USB-C adapter. Backlight flashing for a second.

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