When not using a headset, and relying on your PC speakers and mic, changing the sound settings on your computer can help minimize echo issues.
- Open the Control Panel and click on Sound
- Select the Recording tab, right-click your microphone, and select Properties
- Select the Enhancements tab, disable all enhancements, and click Apply.
- In system preferences in your Launchpad, click on the sound icon
- Click on Input, and un-check the “use ambient noise reduction” and close the window