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If you are using a USB microphone (and/or webcam), you can effectively do that with one of these: 4-Port USB 3.0 Hub Power Switches https://www.amazon.com/gp/p

If you are using a USB microphone (and/or webcam), you can effectively do that with one of these: 4-Port USB 3.0 Hub Power Switches https://www.amazon.com/gp/product/B00TPMEOYM https://www.amazon.com/gp/product/B00TPMEOYM

zabzonk 5y ago
Or simply by unplugging the mike?
- brewdad 5y ago
  At which point the system will helpfully switch to the built-in mic.
  - zabzonk 5y ago
    As it might/probably will happen by turning off the USB port.
  - leethargo 5y ago
    I can disable the on-board sound card in the BIOS settings on my Thinkpad (T440p), so unplugging the USB headset should do the trick (but then there's no music either).
mrspuratic 5y ago
This. I do my work on a clamshell laptop, got a similar gadget (bus powered, with LED indicators) when I got an external webcam. Windows/browser permissions don't have device level granularity AFAICT, so I can't allow access to only an external cam/mic, but I can disable the internal ones in the OS for full tinfoil hat compliance. Most importantly off is actually off when a button cuts the power.
ridgered4 5y ago
I do something similar but it doesn't help me with the built in microphone in the laptop. I'd have to disassemble the bezel and possibly snip a wire. It's much easier to Macgyver disable a webcam than a Microphone, even if you've got one of those webcams that can see through plastic with infrared. Best I can do so far is disable the device in device manager. Although I wonder if the bios on this HP let's you disable it...