Condition
  You speak but the listener cannot hear your voice.
  
 
  
   Cause
   You have an issue with your microphone.
   
  
   Remedy
   
    - For  Windows® , verify the microphone is on.
 
    - In the windows taskbar, right-click the audio icon, and then select Open Sound settings.
     
 
    - Confirm that the volume for the speaker has a bar that moves when you speak. If it does not, select Troubleshoot and follow the instructions.
     
 
    - Confirm you have an input device (microphone).