My headset microphone was working fine before I installed the newest AMD drivers for my laptop. I use Realtek's onboard audio drivers, so the AMD audio drivers are completely unnecessary. I only need the AMD graphics drivers.
Since I have no idea what your computer setup is If you have any speakers connected to AMD GPU then most likely in Windows Sound Panel that will be the Main Audio device which will automatically disable your Headphones connected to the Motherboard.
You need to go into Windows Sound Panel and make your Headphones with the Realtek motherboard Audio driver as the Main Audio Device. Then you will have audio in your Headphones again and all AMD Audio will be disabled until you disconnect your headphones from the motherboard Audio or USB port.
I have Bluetooth Headphones as my Main Audio Device in Sound Panel while my HDMI connected AVR Audio is disconnected from my GPU Card using my GPU Audio until I disconnect my Bluetooth Headphones.
I believe you can remove AMD Audio driver either thru Control Panel or disabling or uninstalling AMD Audio driver in Device Manager. But there really is no need to uninstall the AMD Audio driver.
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