Hi,
Please do try these troubleshooting steps that may help.
- Start by checking if it's set as the default Microphone.
- Right click on the speaker icon and select Recording Devices.
- If your Headphone is listed, right click on it and select Set Defaults.
- After setting it as the default Microphone do test if it will work.
- If these doesn't work do also try these Support document from them manufacturer of your laptop.
-
http://media.kingston.com/support/downloads/HX_Cloud2_Headset_Manual.pdf