If you are getting the microphone error at the "System Check" step of the App , the Microphone input volume/sensitivity needs to be increased. 

Below are the steps for MAC and Windows users.


For MAC users: 


1. Go to System Preferences, 






2. Go to Sound





3. Go to Input and Increase the Input Volume and try speaking into the microphone once and then click Retry on the Proctortrack App. Also,uncheck the 'Use ambient noise reduction' if selected.






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FOR WINDOWS USERS: 


1. Right-Click on the sound icon on the task-bar in the bottom right corner of the screen. And click on Recording devices



2. Go to Recording , double click the microphone, go to "Levels" and increase the Microphone and Microphone Boost Levels to maximum and just try speaking into the microphone.





3.Right Click on the Speakers button in the notification area of the taskbar, and then select Open Volume Mixer as shown below.



Move the sliders up to increase the speakers and System sounds volume and both should not be muted as shown below.



 Quit the app and try again.