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Steps for

My microphone or camera is not working

Usually Chrome or macOS has not been allowed to use it, or another app has it open. The row under its name says which, and switching it on again leads to the fix.

Mac appChrome
Chrome asks the first time
Switch it on. Chrome shows its question at the top of the window. Choose Allow.
Blocked in Chrome
Switch it on, and PointerCam opens a page that shows how to allow it again in Chrome’s site settings.
Your Mac isn’t letting Chrome use it
In System Settings › Privacy & Security, under Microphone or Camera, turn on Google Chrome, then restart Chrome.
Another app may be using it
Close video calls and other recorders, then try again.
None found
Check the microphone or camera is plugged in, then reopen the popup.
Steps for

Pick a different microphone or camera from the menu under its name in the popup to rule out the device itself.

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