There may be two possibilities either you didn’t give Skype the necessary permissions when it was going to install on your computer or there are some misconfigurations present in the current application. If both the above methods don’t work, you can reinstall Skype. Hi, My Mac cant detect a sound when I do video calling. If the mic gain is not set correctly, the microphone might be working just fine but it wouldn’t be picking any useful audio.
If you're not sure how to close or quit an app on your device, you'll need to check the manufacturer's website for details. Quit and restart the Skype app to refresh the connection. Mic gain means the amount of audio the mic catches which will then be further transferred to Skype. Learn more about why you may not be getting notifications on your mobile or desktop. There you will find announcements regarding current Skype problems. Check Skype’s system status in order to find out whether Skype itself is having issues: Skype -> Help -> Heartbeat. Note: You should also check your mic-gain settings in Skype. If your Skype app is not working properly, the problem might be on the other side. After making the changes, restart Skype and see if this solves the problem. If the correct input device is selected and still you are not able to access the mic, try changing it to some other device and then select the correct one again.