Try testing your webcam here before you join your next meeting: https://www.onlinemictest.com/webcam-test/
(It may be a local permissions issue there if they both fail)
yes, my webcam works, I tried 3 webcams: Microsoft, philips and the hp spectre notebook.I work regularly with camtasia on these webcams. Only with gotomeeting do they not work
What type of hardware are you working with? Is it a plug-and-play USB device?