LED Cinema Display camera with Mini-display port and USB-C not working

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LED Cinema Display camera with Mini-display port and USB-C not working

I have a 2018 MacBook Pro running Catalina. I have several external Apple Cinema displays. One particular display, which is a mini-display port driven LED Cinema display cannot seem to turn on its camera or external speakers when using an app like Zoom or FaceTime

I have a connector which allows the monitor to work with the MacBook Pro's lid closed (e.g. functioning normally.) But with this particular monitor, I cannot get the camera to work. I know it is not the Mac; at my office (dual monitors) and at home (single) the camera works. In those locations, though, the monitors are Thunderbolt 2 monitors, IIRC.

Is my adapter possibly defective or limited? Any way to verify the camera is functional before buying a new adapter? Being stuck inside during the pandemic, I'd like to fix this if possible.

MacBook Pro Retina

Posted on Mar 28, 2020 5:36 PM

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CaliforniaKaren

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Apr 4, 2020 6:41 PM in response to saroth1

So I've been having what I think *might* be the same problem and your question prompted me to find a fix! I've been using an mini-display port adapter to connect my LED Cinema display to one of my Macbook Pro Thunderbolt ports and that worked fine in terms of using an external monitor (even with the laptop closed), but had not connected the USB plug to Thunderbolt (duh). When I used an adapter for that as well suddenly my Display camera became active for Zoom and Facetime!

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LED Cinema Display camera with Mini-display port and USB-C not working

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