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I run a 2012 Mac mini using a Logitech C920 HD Pro USB 1080p Webcam with it. Recently I've noticed it's really laggy. Even in a Skype test window or camera settings, it lags about a second and is very jerky.

Tests show I am getting about 1fps. I tried the Logi Capture app as suggested and it presented more settings but none helped.

Also: audio doesn't work on it. It reports as a microphone but didn't work as one.

Also: maybe a non-issue but my webcam device name is reported as "HD Pro Webcam C902 #2" - why #2? Some apps have a drop-down showing two cameras, this one and .

It seems to me like it's surely a driver issue but I cannot see Logitech provide drivers, and MacOS doesn't seem to recognize webcams as a category in Settings.

One thing I spotted while researching was about the Mic issue, it talked about changing the sound settings on the device: enter image description here

But, on my Mac that Format drop-down is non-editable: enter image description here

That might be a MacOS version discrepancy but I do feel for whatever reason, it is not properly supported at the hardware level.

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  • How is the lighting? How does it work in photo booth? Run activity monitor and see if there are any obvious hold ups. I have a fall 2014 mac mini. I haven't noticed any performance issues with my Creative camera. I recall there is a paid app in the app store to make camera adjustments. I have not used the app. May 17, 2020 at 20:08
  • Google shows a lot of people having issues with this particular cam on Mac, but as many people saying it's great!
    – Mr. Boy
    May 17, 2020 at 21:18
  • Are you using Logi Capture or some third party webcam app?
    – Tetsujin
    May 18, 2020 at 6:19
  • @Tetsujin no. I just plugged it in when I bought it and it (sort of) worked. When I did some earlier research I couldn't see any updated drivers or anything like that.
    – Mr. Boy
    May 18, 2020 at 8:53
  • It may depend on how long you've had it. initially there was no app/driver/control panel at all for Mac, so you would be forced to use something like Webcam Settings in order to have any control over it. In recent times Logitech have actually got around to making a Mac App for it, Logi Capture, which I have downloaded but not yet tried, as I have the aforementioned Webcam Settings.
    – Tetsujin
    May 18, 2020 at 9:02

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So, I fixed it. By unplugging it, and plugging it back in to a different socket! Suddenly I get audio and the video is perfect.

It's not much of an answer but it was the solution for me!

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