Purpose
This article will provide you the troubleshooting steps if you experience issues with sound or using the microphone on BlueStacks 4.120
Benefits
You will be able to resolve the said issues.
Audience
All users who are experiencing similar issues on BlueStacks.
Geo's affected
All Geo's
Steps
1. a) Click on "Expand" icon on the top bar in order to open Side Toolbar
b) Here, you will Volume rockers as shown in the screenshot below, maximize it by clicking on 
as many times so it becomes grayed out.
2. a) Go to Windows task bar, right-click on volume icon. Click on 'Open Volume Mixer'.
b) Make sure that the Speaker icon for 'BlueStacks Android Host' is not muted. Also, you may maximize the volume of 'BlueStacks Android Host'.
3. For resolving issues with the microphone, please ensure that the default system microphone is set to optimal settings.
a) Open the "Run" dialogue box by pressing the "Windows" key and "R" together, type the command "mmsys.cpl" and click on "Ok".
b) On the Sound window, click on the "Recording" tab.
c) Highlight the Default microphone device on your system and then click on Properties as shown below.
d) Click on the "Levels" tab and then set the levels as mentioned below. You may boost the microphone in case you are experiencing low microphone levels even after setting the microphone levels to 100%. Click on "Apply" or "Ok" to save the changes.
We genuinely appreciate your choosing BlueStacks. We hope you enjoy using it. If you have any further questions, please contact us at support at bluestacks dot com. Thank you very much.
Last updated on July 31, 2019.