This may be related to the audio drivers on your computer. Please check for the latest Windows 10 drivers for your computer or motherboard from your system manufacturer's support site.
FAQ: KHX-082115-HDST-09
This may be a problem with the Windows 10 update for the Realtek audio drivers. We suggest you update the drivers directly from the Realtek website. First, go to the Control Panel>device manager and go to Sound, video and game controllers section. Find Realtek High Definition Audio listed, right click on it and choose uninstall. Once this is done, go to the following page to download the updated driver.
http://www.realtek.com/downloads/
Select High Definition Audio Codecs (software) link. Download the latest version that is correct for your Windows version and install it. You may need to restart your computer. Once this is done, plug the headset back in and test the microphone.
FAQ: KHX-011218-HDST-17
Contact Technical Support
Questions about a Kingston product you already own? Ask a Kingston expert.
Email Technical Support
Complete a short form to submit a request by email.