4 ms·Or simply by unplugging the mike?by zabzonk 5y agoOr simply by unplugging the mike?brewdad 5y agoAt which point the system will helpfully switch to the built-in mic.zabzonk 5y agoAs it might/probably will happen by turning off the USB port.leethargo 5y agoI 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).