MacOS Tahoe’s FaceTime won’t connect to Mac mini’s 3rd party webcam

Since upgrading our Mac mini M4 to Tahoe OS, FaceTime won’t connect/display video from our external webcam device.

  • Worked perfectly using same device on the same Mac mini with previous macOS Sequoia.
  • Video works fine with macOS Tahoe using Apple QuickTime Player, Zoom, and Microsoft Teams.
  • FaceTime will use the nearby iPhone’s video if linked, but on switching back, it goes to black again with the external webcam.
  • Have disconnected/reconnected the device several times with no change.
  • Have restarted or shut down the Mac mini several times with no change.


Just seems like an issue with this version of FaceTime on Tahoe. I’ve submitted a feedback report to Apple. Will update here if anything changes.

Mac mini (M4)

Posted on Sep 15, 2025 6:39 PM

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Question marked as Top-ranking reply

Posted on Nov 6, 2025 4:22 PM

Yes, the official Tahoe 26.1 update appears to have resolved this issue. At least it has with our external webcam on the Mac mini.

22 replies

Nov 23, 2025 2:24 PM in response to Crozermur

I've got a MacPro (2023) with M2 Ultra chip, Tahoe 26.1, with a couple of monitors including a Thunderbolt Display. Zoom used to work fine, but, I guess, since the upgrade I've been experiencing the same issues expressed in the thread - I can not access the Thunderbolt Display - the only options are iPhones connected. I've tried many "solutions" offered to no avail. Also tried contracting Zoom with no results. I don't usually use FaceTime, so can't address this item.

MacOS Tahoe’s FaceTime won’t connect to Mac mini’s 3rd party webcam

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