In order to fix the problem, go to Start, type dxdiag and open the utility. Click the Sound tab, check your audio card model and download the latest drivers from the developer's web page. After that, right-click the My Computer/Computer icon, select Manage and open Device Manager. Expand the Universal Serial Bus controllers list, right-click the audio driver and select Update Driver Software. Use the Browse option to navigate to the downloaded package, select the driver and install it following the on-screen instructions. After that, right-click the Sound icon from System Tray and select Recording devices. Right-click anywhere in the opened window, check the Show Disabled Devices option, select the microphone and press the Set Default option. After that, press Properties and select Use this device (Enable) as Device Usage.